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LISA-U series - System Integration Manual

UBX-13001118 - R17

Advance information

System description

Page 20 of 190

1.5

Power management

1.5.1

Power supply circuit overview

LISA-U series modules feature a power management concept optimized for the most efficient use of supplied
power. This is achieved by hardware design utilizing a power efficient circuit topology (Figure 4), and by power
management software controlling the module’s power saving mode.

Baseband Processor

2G/3G

Power Amplifier(s)

Switching

Step-Down

5 x 10 µF

61

VCC

62

VCC

63

VCC

50

VSIM

2

V_BCKP

4

V_INT

Linear

LDO

Linear

LDO

Switching

Step-Down

Linear

LDO

Linear

LDO

Linear

LDO

I/O

EBU

CORE

Analog

SIM

RTC

NOR Flash

DDR SRAM

RF Transceiver

Memory

Power Management Unit

22 µF

10 µF (LISA-U1)
220 nF (LISA-U2)

220 nF

2G/3G PA

PMU

(LISA-U2)

Transceiver

PMU

(LISA-U2)

(LISA-U1)

Figure 4: LISA-U series power management simplified block diagram

Pins with supply function are reported in Table 7, Table 13 and Table 16.
LISA-U series modules must be supplied via the

VCC

pins. There is only one main power supply input, available

on the three

VCC

pins that must be all connected to the external power supply.

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Содержание LISA-U100

Страница 1: ...res and the system integration of LISA U1 series HSPA and LISA U2 series HSPA wireless modules These modules are complete and cost efficient 3 75G solutions offering up to six band HSDPA HSUPA and qua...

Страница 2: ...cation u blox reserves all rights to this document and the information contained herein Products names logos and designs described herein may in whole or in part be subject to intellectual property ri...

Страница 3: ...X 13002821 LISA U130 LISA U130 01S 00 11 40 UBX TN 12008 LISA U130 60S 00 11 43 UBX TN 12050 LISA U200 LISA U200 00S 00 21 21 UBX TN 12009 LISA U200 01S 00 22 40 UBX TN 12040 LISA U200 02S 00 22 90 UB...

Страница 4: ...vides hardware design instructions and information on how to set up production and final product tests Application Note document provides general design instructions and information that applies to al...

Страница 5: ...nnection 47 1 8 U SIM interface 48 1 8 1 U SIM application circuits 49 1 9 Serial communication 55 1 9 1 Serial interfaces configuration 56 1 9 2 Asynchronous serial interface UART 57 1 9 3 USB interf...

Страница 6: ...6 2 5 2 ESD immunity test of u blox LISA U series reference designs 146 2 5 3 ESD application circuits 148 3 Features description 151 3 1 Network indication 151 3 2 Antenna detection 151 3 3 Jamming D...

Страница 7: ...ers 168 4 2 12 Use of ultrasonic processes 168 5 Product Testing 169 5 1 u blox in series production test 169 5 2 Test parameters for OEM manufacturer 169 5 2 1 Go No go tests for integrated devices 1...

Страница 8: ...PS Packet Switched Data Rate HSUPA category 6 up to 5 76 Mb s UL HSDPA category 8 up to 7 2 Mb s DL for LISA U1 series LISA U200 LISA U201 LISA U260 and LISA U270 HSDPA category 14 up to 21 1 Mb s DL...

Страница 9: ...traffic and channel encoding from Coding Scheme 1 up to Modulation and Coding Scheme 9 performing link adaptation to achieve the highest possible data rate Table 2 summarizes the interfaces and featur...

Страница 10: ...et V_BCKP RTC Vcc supply V_INT I O Digital audio I2S Analog audio Figure 1 LISA U1 series block diagram for available options see Table 2 Wireless Base band Processor Memory Power Management Unit 26 M...

Страница 11: ...e RX sensitivity while discrete inter stage SAW filters additionally improve the rejection of out of band blockers An internal programmable gain amplifier optimizes the signal levels before delivering...

Страница 12: ...LISA U230 modules is directly connected to the antenna switch for the diversity receiver which dispatches the incoming RF signals to the dedicated SAW filter bank for out of band rejection and then t...

Страница 13: ...for LISA U200 00S EDGE class 12 up to 236 8 kb s DL UL GPRS class 12 up to 85 6 kb s DL UL Rx diversity LISA U1 series Not supported LISA U200 LISA U201 LISA U260 LISA U270 Not supported LISA U230 Su...

Страница 14: ...le when VCC supply voltage is within valid operating range See section 1 5 4 V_INT All 4 O Digital Interfaces supply output V_INT 1 8V typical generated by the module when it is switched on and the RE...

Страница 15: ...ugging if the USB interface is connected to the application processor See section 1 9 2 CTS All 14 O UART clear to send output Circuit 106 CTS in ITU T V 24 Provide access to the pin for debugging if...

Страница 16: ...ors and external series resistors as required by USB 2 0 specifications 8 are part of the USB pad driver and need not be provided externally Provide access to the pin for FW update and debugging if th...

Страница 17: ...1 11 2 I2S1_TXD LISA U2 series 9 40 O Second I 2 S transmit data Check device specifications to ensure compatibility to module supported modes See section 1 11 2 I2S1_WA LISA U2 series 9 54 I O Second...

Страница 18: ...TC alarm see 1 6 1 module switches from power off to active mode When VCC supply is removed the module switches from power off mode to not powered mode Idle Application interfaces are disabled the mod...

Страница 19: ...pt data from an external device unless power saving configuration is enabled by AT UPSV see 1 9 2 3 1 9 3 2 1 9 4 2 and u blox AT Commands Manual 3 When a voice call or a data call is initiated the mo...

Страница 20: ...wer Amplifier s Switching Step Down 5 x 10 F 61 VCC 62 VCC 63 VCC 50 VSIM 2 V_BCKP 4 V_INT Linear LDO Linear LDO Switching Step Down Linear LDO Linear LDO Linear LDO I O EBU CORE Analog SIM RTC NOR Fl...

Страница 21: ...the GSM system described in the section 1 5 3 It is important that the system power supply circuit is able to support peak power see LISA U1 series Data Sheet 1 and LISA U2 series Data Sheet 2 for the...

Страница 22: ...e module if necessary voltage spikes beyond VCC absolute maximum ratings must be restricted to values within the specified limits by using appropriate protection When designing the power supply for th...

Страница 23: ...minimizes current drawn from the main supply source The use of an LDO linear regulator becomes convenient for a primary supply with a relatively low voltage e g less than 5 V In this case the typical...

Страница 24: ...ller for high switching frequency The use of a switching regulator with a variable switching frequency or with a switching frequency lower than 600 kHz must be carefully evaluated since this can produ...

Страница 25: ...tor Tantalum D_SIZE 6 3 V 45 m T520D337M006ATE045 KEMET D1 Schottky Diode 40 V 3 A MBRA340T3G ON Semiconductor L1 10 H Inductor 744066100 30 3 6 A 744066100 Wurth Electronics R1 470 k Resistor 0402 5...

Страница 26: ...regulator with its output circuit must be capable of providing a proper voltage value to the VCC pins and of delivering 2 5 A current pulses with 1 8 duty cycle Power dissipation the power handling c...

Страница 27: ...the VCC pins and must be capable of delivering a DC current greater than the module maximum average current consumption to VCC pins The maximum pulse discharge current and the maximum DC discharge cu...

Страница 28: ...10 to filter EMI in all the GSM UMTS bands 68 pF capacitor with Self Resonant Frequency in the 800 900 MHz range e g Murata GRM1555C1H680J at the VCC line where it narrows close to the module see Fig...

Страница 29: ...the battery temperature to protect the battery from operating under unsafe thermal conditions Alternatively the L6924U providing input voltage range up to 12 V can charge from an AC wall adapter When...

Страница 30: ...SA U1 series Data Sheet 1 and LISA U2 series Data Sheet 2 During a GSM call current consumption is in the order of 60 130 mA in receiving or in monitor bursts and is about 10 40 mA in the inactive unu...

Страница 31: ...d slot TX slot TX slot TX slot TX slot MON slot unused slot GSM frame 4 615 ms 1 frame 8 slots Current A 200mA 60 130mA Peak current depends on TX power GSM frame 4 615 ms 1 frame 8 slots 1 5 1 0 0 5...

Страница 32: ...dBm the current drawn by the module at the VCC pins is in the order of continuous 500 800 mA see LISA U1 series Data Sheet 1 and LISA U2 series Data Sheet 2 for detailed values Even at lowest output R...

Страница 33: ...arameter fixed by the base station through broadcast channel sent to all users on the same serving cell In case of 2G network the time interval between two paging block receptions can be from 470 76 m...

Страница 34: ...urrent consumption profile of the data module when power saving is disabled is shown in Figure 16 the module is registered with the network active mode is maintained and the receiver and the DSP are p...

Страница 35: ...mode periods between network paging but is able to provide programmable alarm functions by means of the internal 32 768 kHz clock The RTC can be supplied from an external back up battery through the V...

Страница 36: ...y is removed If a very long buffering time is required a 70 mF super capacitor e g Seiko Instruments XH414H IV01E can be placed at V_BCKP with a 4 7 k series resistor to hold the V_BCKP voltage within...

Страница 37: ...f the GNSS receiver is controlled by the cellular module by means of the GNSS supply enable function provided by the GPIO2 of the cellular module In this case the V_BCKP supply output of the LISA U se...

Страница 38: ...if the line is externally accessible on the application board Higher protection level can be achieved by mounting an ESD protection e g EPCOS CA05P4S14THSG varistor array on the line connected to thi...

Страница 39: ...pin has high input impedance Do not keep floating in noisy environment external pull up required Table 17 Power on pin The PWR_ON pin ESD sensitivity rating is 1 kV Human Body Model according to JESD2...

Страница 40: ...KP supply pin of the module Following are some typical examples of application circuits to turn the module on using the PWR_ON input pin Connecting the PWR_ON input to an external device e g applicati...

Страница 41: ...i e switched off with VCC maintained it can be switched on by means of an RTC alarm previously programmed see the u blox AT Commands Manual 3 AT CALA command alternatively to the PWR_ON and RESET_N pi...

Страница 42: ...oving the VCC supply of the module and then run the application VCC V_BCKP PWR_ON V_INT Internal Reset System State BB Pads State Internal Reset Operational Operational Tristate Floating Internal Rese...

Страница 43: ...but in this case the current parameter settings are not saved in the module s non volatile memory and a proper network detach cannot be performed It is highly recommended to avoid an abrupt removal o...

Страница 44: ...off routines can largely vary from the values reported in Figure 20 e g from tens of milliseconds up to tens of seconds depending on the application network settings and the concurrent module activiti...

Страница 45: ...hardware reset of the module with an asynchronous abrupt reset of the entire module including the integrated Power Management Unit except for the RTC internal block The V_INT interfaces supply is swit...

Страница 46: ...LISA U series 2 V_BCKP 22 RESET_N Reset push button ESD Open Drain Output Application Processor LISA U series 2 V_BCKP 22 RESET_N Rint Rint EMI1 C1 EMI2 C3 C2 C4 Figure 21 RESET_N application circuit...

Страница 47: ...dules is 500 V according to IEC 61000 4 2 ESD immunity rating of ANT port of LISA U2 series modules is 1000 V according to IEC 61000 4 2 Higher protection level could be required if the line is extern...

Страница 48: ...d to an SIM card connector since they are externally accessible on the application board For more details about the general precautions for ESD immunity about SIM interface pins see section 2 5 3 The...

Страница 49: ...lications where the SIM changing is required during the product lifetime A SIM card holder can have 6 or 8 positions if a mechanical card presence detector is not provided or it can have 6 2 or 8 2 po...

Страница 50: ...itance i e less than 10 pF ESD protection e g Tyco Electronics PESD0402 140 on each externally accessible SIM line close to each specific pad of the SIM connector ESD sensitivity rating of the SIM int...

Страница 51: ...time on the SIM_CLK line 1 0 s is the maximum allowed rise time on the SIM_IO and SIM_RST lines LISA U series 50 VSIM 48 SIM_IO 47 SIM_CLK 49 SIM_RST 4 V_INT 51 GPIO5 SIM CHIP SIM Chip Bottom View con...

Страница 52: ...e a very low capacitance i e less than 10 pF ESD protection e g Tyco Electronics PESD0402 140 on each externally accessible SIM line close to each specific pad of the SIM connector ESD sensitivity rat...

Страница 53: ...by the cellular module GPIO according to the application requirements The dual SIM connection circuit described in Figure 25 can be implemented for SIM chips as well providing proper connection betwee...

Страница 54: ...CLK C3 RST C2 GND C5 J2 C6 C7 C8 C10 C9 D5 D6 D7 D8 Application Processor GPIO R1 Figure 25 Application circuit for the connection to two removable SIM cards with SIM detection implemented Reference D...

Страница 55: ...AT commands according to 3GPP TS 27 007 5 AT commands according to 3GPP TS 27 005 6 AT commands according to 3GPP TS 27 010 7 u blox AT commands For the complete list of supported AT commands and the...

Страница 56: ...he Carrier detect status ON if the Carrier is detected OFF otherwise USB interface Enabled 6 CDCs are available configured as described in the following list USB1 AT commands data connection USB2 AT c...

Страница 57: ...interface conform to the ITU T V 24 Recommendation 4 UART interfaces include the following lines Name Description Remarks DSR Data set ready Module output Circuit 107 Data set ready in ITU T V 24 RI...

Страница 58: ...nt from the DTE at any rate can be AT CPIN 1234 Characters different than AT are ignored during the baud rate detection since the at or AT sequence triggers the hardware detection sequence At or aT se...

Страница 59: ...enabled by default as the one shot autobauding One shot automatic frame recognition is not supported by LISA U1 series and LISA U200 00S modules versions only configured frame formats are supported a...

Страница 60: ...ol is enabled as it is by default the CTS line indicates when the UART interface is enabled data can be sent and received The module drives the CTS line to the ON state or to the OFF state when it is...

Страница 61: ...line see section 1 9 2 3 and u blox AT Commands Manual 3 AT UPSV command DSR signal behavior If AT S0 is set the DSR module output line is set by default to ON state low level at UART initialization...

Страница 62: ...liable RLP protocol When the remote DCE accepts the data call the module DCD line is set to ON and the CONNECT communication baudrate string is returned by the module At this stage the DTE can send ch...

Страница 63: ...s occur coincidently or in quick succession each event triggers the RI line independently although the line will not be deactivated between each event As a result the RI line may stay to ON for more t...

Страница 64: ...nd RTS input line status is summarized in Table 29 For more details on the UPSV AT command description see the u blox AT commands Manual 3 AT UPSV HW flow control RTS line DTR line Communication durin...

Страница 65: ...lost by the module Data sent by the module is correctly received by the DTE if it is ready to receive data otherwise data is lost Table 29 UART and power saving summary AT UPSV 0 power saving disabled...

Страница 66: ...he UART is disabled for 2 5 s and afterwards the interface is enabled again The module active mode duration outside an active call depends on Network parameters related to the time interval for the pa...

Страница 67: ...T is enabled in case the module needs to transmit some data over the UART e g URC When an OFF to ON transition occurs on the DTR input line the UART is re enabled and the module if it was in idle mode...

Страница 68: ...rdware flow control is disabled Figure 30 shows the case where the module UART is disabled and only a wake up is forced In this scenario the only character sent by the DTE is the wake up character as...

Страница 69: ...he module is in low power idle mode i e the module does not reply No wake up character or dummy AT is required from the DTE during a voice or data call since the module UART interface continues to be...

Страница 70: ...R 10 RI 11 DCD GND 0 0 TP TP 0 0 TP TP Figure 32 UART interface application circuit with complete V 24 link in DTE DCE serial communication 1 8V DTE If a 3 0 V Application Processor is used appropriat...

Страница 71: ...rface application circuit with partial V 24 link 6 wire in the DTE DCE serial communication 1 8V DTE If a 3 0 V Application Processor is used appropriate unidirectional voltage translators must be pro...

Страница 72: ...e UART interface is enabled by the RTS line as described in section 1 9 2 3 reaching very low current consumption With this configuration when the module is in idle mode the UART is re enabled 20 ms a...

Страница 73: ...l V 24 link 5 wire in DTE DCE serial communication 3 0 V DTE If only TxD RxD RTS and CTS lines are provided as implemented in Figure 36 and in Figure 37 and if HW flow control is enabled AT K3 default...

Страница 74: ...describes the circuit that should be implemented as if a 1 8 V Application Processor is used TxD Application Processor 1 8V DTE RxD RTS CTS DTR DSR RI DCD GND LISA U series 1 8V DCE 15 TXD 12 DTR 16 R...

Страница 75: ...proper boot of the module see the remark below Moreover the voltage scaling from any 1 8 V output of the cellular module DCE to the apposite 3 0 V input of the Application Processor DTE can be implem...

Страница 76: ...igher protection level can be achieved by mounting a very low capacitance i e less or equal to 1 pF ESD protection e g Tyco Electronics PESD0402 140 ESD protection device on the lines connected to the...

Страница 77: ...default configuration of the USB interface provides 7 USB CDC ACM modem COM ports USB1 AT and data USB2 AT and data USB3 AT and data USB4 GNSS tunneling USB5 Primary Log diagnostic purpose USB6 Secon...

Страница 78: ...sfer Bulk EndPoint Transfer Bulk Function AT and Data Interface 6 Abstract Control Model EndPoint Transfer Interrupt Interface 7 Data EndPoint Transfer Bulk EndPoint Transfer Bulk Function GNSS tunnel...

Страница 79: ...Control Model EndPoint Transfer Interrupt Function Ethernet over USB Interface 8 Interface 9 Data On Off EndPoint Transfer Bulk EndPoint Transfer Bulk Figure 41 LISA U2 series end points summary for...

Страница 80: ...specifications 8 For the module current consumption description with power saving enabled and USB suspended or with power saving disabled and USB not suspended see the sections 1 5 3 3 and 1 5 3 4 an...

Страница 81: ...ver USB using the u blox EasyFlash tool and for debug purpose testpoints can be added on the lines to accommodate the access Otherwise if the USB interface is connected to the application processor it...

Страница 82: ...rmware Update application note 18 Name Description Remarks SPI_MISO SPI Data Line Master Input Slave Output Module Output Idle high Shift data on rising clock edge CPHA 1 Latch data on falling clock e...

Страница 83: ...sed by the module baseband processor i e the slave to indicate to the application processor i e the master that it is ready to transmit or receive IPC slave ready signal and can also be used by the mo...

Страница 84: ...and data 4 If the data has been exchanged the slave deactivates SPI_SRDY to process the received information The master does not need to de assert SPI_MRDY as it controls the SPI_SCLK 5 After the prep...

Страница 85: ...on that it is ready to start transmission again In this case the slave will raise SPI_SRDY again The SPI_MRDY line can be either high or low the master has only to ensure that the SPI_SRDY change will...

Страница 86: ...plication Processor is used implement a circuit with appropriate unidirectional voltage translators with tri state i e high impedance mode controlled by the application processor as described in Figur...

Страница 87: ...nd the application processor DTE and allows a number of simultaneous sessions over the used physical link UART or SPI the user can concurrently use AT command interface on one MUX channel and Packet S...

Страница 88: ...lular module allows a fully control of the GNSS receiver from any host processor LISA U modules feature embedded GPS aiding that is a set of specific features developed by u blox to enhance GNSS perfo...

Страница 89: ...esistors and the bus capacitance Long wires on the bus will increase the capacitance If the bus capacitance is increased use pull up resistors with nominal resistance value lower than 4 7 k to match t...

Страница 90: ...nnected to the cellular module The pin will be set as Output to provide an RTC synchronization signal to the u blox GNSS receiver for RTC sharing if the parameter mode of AT UGPS command is set to 1 a...

Страница 91: ...GNSS receiver of the u blox 6 generation or later u blox generation The V_INT supply is able to withstand the maximum current consumption of these positioning receivers The V_INT supply output provide...

Страница 92: ...supply The V_BCKP supply output of the cellular module can be directly connected to the V_BCKP backup supply input pin of the GNSS receiver as in the application circuit for a u blox 1 8 V GNSS recei...

Страница 93: ...the Mono headset downlink path uses the differential analog audio output with the default parameters for the headset profile The set of parameters to process the uplink or the downlink audio signal c...

Страница 94: ...LISA U130 Differential analog audio input Negative Shared for all uplink analog path modes handset headset hands free mode Internal DC blocking capacitor SPK_P LISA U120 LISA U130 Differential analog...

Страница 95: ...point L1 C1 C7 Figure 51 Headset mode application circuit Reference Description Part Number Manufacturer C1 C2 C3 C4 27 pF Capacitor Ceramic COG 0402 5 25 V GRM1555C1H270JA01 Murata C5 C6 C7 10 F Capa...

Страница 96: ...0JA01 Murata C5 C6 C7 10 F Capacitor Ceramic X5R 0603 20 6 3 V GRM188R60J106ME47 Murata D1 D2 Low Capacitance ESD Protection USB0002RP or USB0002DP AVX L1 L2 82nH Multilayer inductor 0402 self resonan...

Страница 97: ...oupling and TDMA noise The physical width of the audio outputs lines on the application board must be wide enough to minimize series resistance C1 C2 C3 L1 39 MIC_N 53 SPK_P 40 MIC_P 54 SPK_N D1 Micro...

Страница 98: ...ut to the external audio device input The DC block series capacitor acts as high pass filter for audio signals with cut off frequency depending on both the values of capacitor and on the input impedan...

Страница 99: ...V GRM188R60J106M Murata R1 R3 0 Resistor 0402 5 0 1 W RC0402JR 070RL Yageo Phycomp R2 R4 Not populated Table 45 Connection to an analog audio device 1 11 2 Digital Audio interface LISA U100 LISA U110...

Страница 100: ...clock output for external audio codec Configurable to 26 MHz or 13 MHz Table 46 Digital audio interface pins The I2 S interfaces and CODEC_CLK pins ESD sensitivity rating is 1 kV Human Body Model acco...

Страница 101: ...ownlink The HF algorithm acts on I2 S path See the u blox AT Commands Manual 3 AT UI2S command for the possible settings of I2 S interface 1 11 2 1 I2 S interface PCM mode Main features of the I2 S in...

Страница 102: ...2 S mode same sample rate and same voltage level Figure 55 shows an application circuit with a generic digital audio device 43 I2S_CLK 41 I2S_WA I2S Clock I2S Word Alignment LISA U120 LISA U130 LISA U...

Страница 103: ...application processor should properly control the audio codec by I2 C interface and should properly provide clock reference to the audio codec 53 I2S1_CLK 54 I2S1_WA R2 R1 BCLK GND U1 LRCLK LISA U2 se...

Страница 104: ...odule cannot be tri stated or set low insert a multi channel digital switch e g Texas Instruments SN74CB3Q16244 TS5A3159 or TS5A63157 between the two circuit connections and set it to high impedance d...

Страница 105: ...essing is implemented within the different blocks of the voiceband processing system Sample based Voice band Processing single sample processed at 16 kHz for Wide Band AMR codec or 8 kHz for all other...

Страница 106: ...ree To Radio TX Uplink Digital Gain I2S1_TXD Switch I2S_TXD Scal_Rec Digital Gain Tone Generator I2Sx RX UBF 4 8 UBF 3 7 DBF 3 7 DBF 4 8 DBF 1 5 DBF 2 6 Legend UBF Uplink Biquad Filter DBF Downlink Bi...

Страница 107: ...n setting the parameter gpio_mode of AT UGPIOC command to 3 The GNSS supply enable mode can be provided only on one pin per time it is not possible to simultaneously set the same mode on another pin T...

Страница 108: ...INT pin of the module by a 1 k pull up resistor See Figure 59 and section 1 8 for the application circuit The GPIO5 signal will be pulled low by the pull down when a SIM card is not inserted in the ho...

Страница 109: ...upport Module status indication Module operating mode indication The GPIO14 and GPIO5 pins can be configured to indicate module operating mode idle mode versus active or connected mode properly settin...

Страница 110: ...ultaneously set the same mode on another pin also on all the GPIOs No GPIO pin is by default configured as General purpose output The pin configured to provide the General purpose output function is s...

Страница 111: ...cation LISA U1 series LISA U2 series 13 GPIO3 GPIO By default the pin is configured to provide GNSS Data Ready function Can be alternatively configured by the UGPIOC command as Output Input Network St...

Страница 112: ...transmit data GPIO By default the pin is configured as 2 nd I 2 S transmit data output Can be alternatively configured by the UGPIOC USPM commands as Output Input Pad disabled 53 LISA U200 00S GPIO8 G...

Страница 113: ...bled Can be alternatively configured by the UGPIOC command as Output Input Module Operating Mode Indication Pad disabled Table 48 GPIO pins The GPIO pins ESD sensitivity rating is 1 kV Human Body Mode...

Страница 114: ...cuit Reference Description Part Number Manufacturer R1 47 k Resistor 0402 5 0 1 W Various manufacturers U1 Voltage Regulator for GNSS receiver See GNSS Module Hardware Integration Manual R2 4 7 k Resi...

Страница 115: ...el at inverting transistor input when GPIO1 is floating i e when the module is switched off so that high logic level is present at the application processor input when the module is switched off and l...

Страница 116: ...d The application circuit is illustrated in Figure 61 Pin 5 RSVD of all LISA U modules must be connected to GND LISA U120 LISA U130 5 RSVD 52 RSVD 74 RSVD LISA U100 LISA U110 5 RSVD 52 RSVD 74 RSVD 39...

Страница 117: ...7 USB_D 26 USB_D GND 100nF 5 RSVD 52 RSVD 74 RSVD GND RTC back up 27pF 27pF 27pF 82nH 54 SPK_N 53 SPK_P 39 MIC_N 40 MIC_P ESD Headset Connector ESD IN OUT GND Low Noise LDO Regulator 3V8 2 2k 2 2k 10...

Страница 118: ...PIO1 3V8 Network Indicator 22 RESET_N Ferrite Bead 47pF Application Processor Open Drain Output 19 PWR_ON 100k Open Drain Output 0 0 TP TP Functions not supported by LISA U200 00S version 0 0 TP TP 1...

Страница 119: ...U modules must be approved under all the certification schemes required by the specific application device to be deployed in the market The required certification scheme approvals and the related tes...

Страница 120: ...tion number for LISA U1 series modules is 0890 Notified Body identification numbers for LISA U2 series modules are 0682 and 1588 see the LISA U2 series Data Sheet 2 for a complete list of the Notified...

Страница 121: ...nds for mobile and fixed or mobile operating configurations The gain of the system antenna s used for LISA U200 i e the combined transmission line connector cable losses and radiating element gain mus...

Страница 122: ...f the listing in the Industry Canada s REL Radio Equipment List can be found at the following web address http www ic gc ca app sitt reltel srch nwRdSrch do lang eng Additional Canadian information on...

Страница 123: ...accord avec les exigences SAR pour les appareils portables Tout changement ou modification non express ment approuv par la partie responsable de la certification peut annuler le droit d utiliser l qu...

Страница 124: ...10 KCC CRM ULX LISA U110 LISA U130 KCC CRM ULX LISA U130 LISA U200 KCC CRM ULX LISA U200 LISA U270 KCC CRM ULX LISA U270 1 15 6 Anatel Certification All LISA U200 modules except LISA U200 00S are cert...

Страница 125: ...U130 60S o Technical Conditions certified type number AD120274003 o Technical Requirements certified type number 003 120376 LISA U200 62S o Technical Conditions certified type number AD120274003 o Te...

Страница 126: ...iate access to USB interface and or to UART RxD TxD lines and access to PWR_ON and or RESET_N lines to flash upgrade the module firmware using the u blox EasyFlash tool Provide appropriate access to U...

Страница 127: ...rint Optimize placement for minimum length of RF line and closer path from DC source for VCC Design USB_D USB_D connection as 90 differential pair with 30 common mode impedance Keep routing short and...

Страница 128: ...1 32 33 34 35 36 37 38 28 GND GND GND GND GND GND GND GND GND GND GND 75 74 73 72 71 70 69 68 67 66 76 GND RSVD GND GND GND GND GND ANT GND GND GND LISA U1 series Top View V_BCKP GND V_INT RSVD GND GN...

Страница 129: ...PK_P SPK_N 5 th Ground GND Careful Layout Provide proper grounding See section 2 2 1 5 6 th Sensitive Pin Careful Layout Avoid coupling with noisy signals See section 2 2 1 6 Backup Voltage V_BCKP Pow...

Страница 130: ...ried layer below ANT and ANT_DIV pads The transmission line from the ANT pad and the ANT_DIV pad up to antenna connector s or up to the internal antenna s pad must be designed so that the characterist...

Страница 131: ...ation To achieve a 50 characteristic impedance the width of the transmission line must be chosen depending on the thickness of the transmission line itself e g 35 m in the example of Figure 66 and Fig...

Страница 132: ...around the central pin up to annular pads of the four GND posts Check 50 impedance of ANT and ANT_DIV lines Ensure no coupling occurs with other noisy or sensitive signals The antenna for the Rx diver...

Страница 133: ...ter to select the highest operating frequency for the switcher and add a large L C filter before connecting to the LISA U modules in the worst case The large current generates a magnetic field that is...

Страница 134: ...m 410 m 740 m 410 m Figure 73 Example of USB line design with Z0 close to 90 and ZCM close to 30 for the described 2 layer board layup 2 2 1 4 Analog audio LISA U120 LISA U130 only Accurate analog au...

Страница 135: ...f its High Pass RC filter response 2 2 1 5 Module grounding Good connection of the module with application board solid ground layer is required for correct RF performance It significantly reduces EMC...

Страница 136: ...ypically accessed by the end user it can be subjected to ESD discharges add adequate ESD protection to protect module SIM pins near the SIM connector Digital Audio I2S_CLK I2S_RX I2S_TX I2S_WA and I2S...

Страница 137: ...he solder paste should have a total thickness of 150 m The paste mask outline needs to be considered when defining the minimal distance to the next component The exact geometry distances stencil thick...

Страница 138: ...gnals keep out area on application board Figure 75 Signals keep out area on the top layer of the application board below LISA U1 series modules 33 2 mm 5 25 mm 22 4 mm 5 3 mm 5 25 mm 5 3 mm 1 3 mm 1 4...

Страница 139: ...During transmission at maximum RF power the LISA U modules generate thermal power that can exceed 2 W this is an indicative value since the exact generated power strictly depends on operating conditio...

Страница 140: ...pplication board For example after the installation of a robust aluminum heat sink with forced air ventilation on the back of the same application board described above the Module to Ambient thermal r...

Страница 141: ...ome 2G and 3G bands are overlapping This depends on worldwide band allocation for telephony services where different bands are deployed for different geographical regions If the LISA U110 LISA U130 or...

Страница 142: ...uman tissue is limited by S A R regulatory requirements Do not use directivity antenna since the electromagnetic field radiation intensity is limited in some countries Take care of interaction between...

Страница 143: ...n indication of the antenna s radiated power can be approximated by measuring the S21 from a target antenna to the measurement antenna using a network analyzer with a wideband antenna Measurements sho...

Страница 144: ...na dimensions should be comparable to a quarter of the wavelength Different antenna types can be used for the module many of them e g patch antennas monopole are based on a resonating element that wor...

Страница 145: ...uish between a defect on antenna path with similar characteristics respectively removal of linear antenna or RF cable shorted to GND for PIFA antenna Furthermore any other DC signal injected to the RF...

Страница 146: ...y test to the whole device depends on the device classification as defined by ETSI EN 301 489 1 13 Applicability of the ESD immunity test to the specific device ports or the specific interconnecting c...

Страница 147: ...ign because it provides antenna with insulating surface The test is applicable only to equipments providing antenna with conductive surface LISA U2 series 4 kV 4 kV Test applicable to u blox reference...

Страница 148: ...moduels the ANT pin provides ESD immunity up to 1000 V contact and air discharge according to IEC 61000 4 2 higher protection level is required if the line is externally accessible on the device i e...

Страница 149: ...equirements A 47 pF bypass capacitor e g Murata GRM1555C1H470JA01 must be mounted on the line termination connected to the RESET_N pin to avoid a module reset caused by an electrostatic discharge appl...

Страница 150: ...section 1 8 1 Other pins and interfaces All the module pins that are externally accessible on the device integrating LISA U module should be included in the ESD immunity test since they are considered...

Страница 151: ...rred due to operators choices no cell condition when moving to poorly served or highly interfered areas In the latter case interference can be artificially injected in the environment by a noise gener...

Страница 152: ...f in addition the internal PDP context is used at most 2 external PDP contexts can be activated Secondary PDP contexts PDP contexts sharing the IP address of a primary PDP context are also supported T...

Страница 153: ...bilities of the products For a complete list of supported configurations and settings see the u blox AT Commands Manual 3 Settings Value Meaning Certificates validation level Level 0 The server certif...

Страница 154: ..._EDE_CBC_SHA 0x00 0x0A YES Not supported by x0 x1 and x2 product versions TLS_RSA_WITH_RC4_128_MD5 0x00 0x04 NO Supported only by x0 x1 and x2 product versions TLS_RSA_WITH_RC4_128_SHA 0x00 0x05 NO Su...

Страница 155: ...GNSS satellite signals means that positioning is not always possible Especially difficult environments for GNSS are indoors in enclosed or underground parking garages as well as in urban canyons where...

Страница 156: ...position to the CellLocate server when observing a specific cell the As in the picture represent the position of the devices which observed the same cell A 2 CellLocate server defines the area of Cell...

Страница 157: ...implemented through a set of three AT commands that allow configuration of the GNSS receiver AT ULOCGNSS configuration of the CellLocate service AT ULOCCELL and requesting the position according to th...

Страница 158: ...rfaces using AT Commands AT Command AT UFWUPD triggers a reboot followed by the upgrade procedure at specified a baud rate see the u blox AT Commands Manual 3 for more details The Xmodem 1k protocol i...

Страница 159: ...supported by LISA U1 series and LISA U200 00S versions SIM access profile SAP feature allows LISA U modules to access and use a remote U SIM card instead of the local SIM card directly connected to t...

Страница 160: ...e including SIM Remote SIM Mobile Equipment SAP Server Bluetooth Transceiver Figure 85 Remote SIM access via Bluetooth and wired connection The application processor can start an SAP connection negoti...

Страница 161: ...g temperature range Temperature measurement is done inside the cellular module the measured value could be different from the environmental temperature Ta Warning area t 1 t 1 t 2 t 2 Valid temperatur...

Страница 162: ...rogress Shut the device down Yes No Yes Yes No No No Yes Send shutdown notification Feature enabled full logic or indication only IF Full Logic Enabled Feature disabled no action Temperature is within...

Страница 163: ...ure shutdown 97 C Equal to the internal temperature Ti measured in the worst case operating condition at typical supply voltage when the ambient temperature Ta in the reference setup equals the absolu...

Страница 164: ...ns 1 5 3 3 1 9 2 3 Automatic periodic enable of the UART interface to receive and send data if AT UPSV 1 has been set see section 1 9 2 3 Data received on UART interface if HW flow control has been di...

Страница 165: ...loy specification 95 5 Sn 3 9 Ag 0 6 Cu 95 5 Tin 3 9 Silver 0 6 Copper 95 5 Sn 4 0 Ag 0 5 Cu 95 5 Tin 4 0 Silver 0 5 Copper Melting Temperature 217 C Stencil Thickness 150 m for base boards The final...

Страница 166: ...245 C Cooling phase A controlled cooling avoids negative metallurgical effects solder becomes more brittle of the solder and possible mechanical tensions in the products Controlled cooling helps to ac...

Страница 167: ...a no clean soldering paste and eliminate the cleaning step after the soldering 4 2 5 Repeated reflow soldering Only a single reflow soldering process is encouraged for boards with a LISA U module pop...

Страница 168: ...les wick or other forms of metal strips directly onto the EMI covers is done at the customer s own risk The numerous ground pins should be sufficient to provide optimum immunity to interferences and n...

Страница 169: ...tests GPIOs digital interfaces Measurement and calibration of RF characteristics in all supported bands Receiver S N verification frequency tuning of reference clock calibration of transmitter and rec...

Страница 170: ...ds Manual 3 AT CSQ command rssi ber parameters These kinds of test may be useful as a go no go test but not for RF performance measurements This test is suitable to check the communication with host c...

Страница 171: ...ce and to check other device interfaces from which depends the RF performance To avoid module damage during transmitter test a proper antenna according to module specifications or a 50 termination mus...

Страница 172: ...damaging caused by an inappropriate use of this feature 2 Trigger TX GMSK burst at maximum PCL o To check if the power supply is correctly assembled and is able to deliver the required current 3 Trig...

Страница 173: ...pport select a suitable LISA U270 module Check LISA U2 series Hardware Requirements Check the supported 3G bands for proper antenna circuit development since LISA U2 supports different 3G bands in com...

Страница 174: ...designed with backward compatibility in mind but some minor differences were unavoidable These minor differences will however not be relevant for the majority of the LISA U1 series designs Clean and s...

Страница 175: ...d in comparison to LISA U1 series modules The voltage level of all the digital interfaces of LISA U2 series modules is 1 8 V as for LISA U1 series modules The internal active pull up pull down values...

Страница 176: ...2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 V_BCKP GND V_INT RSVD GND GND GND DSR RI DCD DTR GND RTS CTS TXD RXD GND VUSB_DET PWR_ON GPIO1 GPIO2 RESET_N GPIO3 GPIO4 GND 26 27 USB_...

Страница 177: ...ITU T V 24 1 8V typ LISA U1 series o Output driver strength 4 mA LISA U2 series o Output driver strength 6 mA 15 TXD UART transmitted data input TXD UART transmitted data input Circuit 103 TxD in ITU...

Страница 178: ...dication Function on all LISA U series except LISA U200 00S o GNSS Supply Enable default 22 RESET_N External reset input RESET_N External reset input RESET_N hardware reset or switch on low pulse time...

Страница 179: ...ine D input output No difference 90 nominal differential impedance Z0 30 nominal common mode impedance ZCM Pull up down series resistors provided internally 28 GND Ground GND Ground 29 GND Ground GND...

Страница 180: ...down 100 A All LISA U2 series except LISA U200 00S o Output driver strength 2 mA o Internal active pull down 200 A 42 RSVD LISA U100 LISA U110 RESERVED pin RSVD LISA U200 00S RESERVED pin No differenc...

Страница 181: ...lock output SIM_CLK SIM clock output No difference 3 25 MHz clock frequency for SIM card 48 SIM_IO SIM data input output SIM_IO SIM data input output No difference Internal 4 7 k pull up resistor to V...

Страница 182: ...U100 LISA U110 RESERVED pin GPIO9 LISA U200 00S GPIO LISA U100 LISA U110 RESERVED pin LISA U200 00S Configurable GPIO 1 8V typ o Output driver strength 1 mA Functions o Pad disabled default o Input Ou...

Страница 183: ...pt LISA U200 00S SPI_MISO and configurable GPIO 1 8V typ o Output driver strength 6 mA Functions o SPI_MISO default o Pad disabled o Input Output 58 SPI_SRDY SPI Slave Ready Output SPI_SRDY GPIO13 SPI...

Страница 184: ...ded range 3 1 V min 4 2 V max LISA U2 series o VCC normal range 3 3 V min 4 4 V max o VCC extended range 3 1 V min 4 5 V max 64 GND Ground GND Ground 65 GND Ground GND Ground 66 GND Ground GND Ground...

Страница 185: ...22 4 mm 5 3 mm 5 25 mm 1 4 mm 1 0 mm PIN 1 LISA U1 bottom side through module view Exposed GND on LISA U1 module bottom layer Signals keep out area on application board Figure 93 Signals keep out area...

Страница 186: ...t DTM Dual Transfer Mode DTR Data Terminal Ready EBU External Bus Interface Unit EDGE Enhanced Data rates for GSM Evolution E GPRS Enhanced GPRS FDD Frequency Division Duplex FEM Front End Module FOAT...

Страница 187: ...ng Indicator RTC Real Time Clock RTS Request To Send RXD RX Data SAW Surface Acoustic Wave SIM Subscriber Identification Module SMS Short Message Service SMTP Simple Mail Transfer Protocol SPI Serial...

Страница 188: ...io equipment and services Part 1 Common technical requirements 14 ETSI EN 301 489 7 V1 3 1 Electromagnetic compatibility and Radio spectrum Matters ERM ElectroMagnetic Compatibility EMC standard for r...

Страница 189: ...al Communications Commission notice Updated LISA U2 features in module power off and GPIO sections A3 25 May 2012 gcom Updated values for antenna gain A4 20 Jun 2012 sses Update to Advance Information...

Страница 190: ...hone 65 6734 3811 E mail info_ap u blox com Support support_ap u blox com Regional Office Australia Phone 61 2 8448 2016 E mail info_anz u blox com Support support_ap u blox com Regional Office China...

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