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TOBY-L2 and MPCI-L2 series - System Integration Manual

UBX-13004618 - R28

Design-in

Page 103 of 164

2.6

Data communication interfaces

2.6.1

Universal Serial Bus (USB)

2.6.1.1

Guidelines for USB circuit design

The USB_D+ and USB_D- lines carry the USB serial data and signaling. The lines are used in single
ended mode for full speed signaling handshake, as well as in differential mode for high speed signaling
and data transfer.

USB pull-up or pull-down resistors and external series resistors on USB_D+ and USB_D- lines as
required by the USB 2.0 specification

are part of the module USB pin driver and do not need to be

externally provided.

☞

VUSB_DET functionality is not supported by all the TOBY-L2 series modules product versions: the
pin should be left unconnected or it should not be driven high (for more details, see section

☞

VUSB_DET pin is not available on MPCI-L2 series modules.

Routing the USB pins to a connector, they will be externally accessible on the application device.
According to EMC/ESD requirements of the application, an additional ESD protection device with very
low capacitance should be provided close to accessible point on the line connected to this pin, as
described in

☞

The ESD sensitivity rating of USB pins is 1 kV (HBM, as per JESD22-A114F). Higher protection level
could be required if the lines are externally accessible and it 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 these pins, close to accessible points.

The USB_D+ and USB_D- pins of the modules can be directly connected to the USB host application
processor without additional ESD protections if they are not externally accessible or according to
EMC/ESD requirements.

D+
D-

GND

28

USB_D+

27

USB_D-

GND

USB DEVICE

CONNECTOR

VBUS

D+
D-

GND

28

USB_D+

27

USB_D-

GND

USB HOST

PROCESSOR

D+
D-

GND

38

USB_D+

36

USB_D-

GND

USB DEVICE

CONNECTOR

VBUS

TOBY-L2 series

TOBY-L2 series

MPCI-L2 series

MPCI-L2 series

D+
D-

GND

38

USB_D+

36

USB_D-

GND

USB HOST

PROCESSOR

VBUS

4

VUSB_DET

4

VUSB_DET

D1

D2

D1

D2

VBUS

Figure 54: USB Interface application circuits

Reference

Description

Part Number – Manufacturer

D1, D2

Very Low Capacitance ESD Protection

PESD0402-140 – Tyco Electronics

Table 34: Component for USB application circuits

☞

If the USB interface pins are not used, they can be left unconnected on the application board, but
it is recommended providing accessible test points directly connected to USB_D+ / USB_D- pins.

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Содержание TOBY-L2 series

Страница 1: ...ar modules These modules are a complete and cost efficient LTE 3G 2G solution offering up to 150 Mb s download and 50 Mb s upload data rates covering up to six LTE bands up to five WCDMA DC HSPA bands...

Страница 2: ...ction Information Data from product verification Revised and supplementary data may be published later Mass Production End of Life Production Information Document contains the final product specificat...

Страница 3: ...nitial Production TOBY L220 TOBY L220 02S 00 15 93 A01 00 UBX 16025501 Mass Production TOBY L220 62S 00 16 04 A01 00 UBX 17013073 Mass Production TOBY L280 TOBY L280 02S 00 15 63 A01 03 UBX 15029946 O...

Страница 4: ...6 3 Module reset 34 1 6 4 Module configuration selection by host processor 34 1 7 Antenna interface 35 1 7 1 Antenna RF interfaces ANT1 ANT2 35 1 7 2 Antenna detection interface ANT_DET 38 1 8 SIM in...

Страница 5: ...ions interfaces 83 2 3 1 Module power on PWR_ON 83 2 3 2 Module reset RESET_N or PERST 84 2 3 3 Module configuration selection by host processor 85 2 4 Antenna interface 86 2 4 1 Antenna RF interfaces...

Страница 6: ...135 3 3 Soldering 136 3 3 1 Soldering paste 136 3 3 2 Reflow soldering 136 3 3 3 Optical inspection 137 3 3 4 Cleaning 137 3 3 5 Repeated reflow soldering 138 3 3 6 Wave soldering 138 3 3 7 Hand solde...

Страница 7: ...EM manufacturer 150 5 2 1 Go No go tests for integrated devices 150 5 2 2 RF functional tests 150 Appendix 152 A Migration between TOBY L1 and TOBY L2 152 A 1 Overview 152 A 2 Pin out comparison betwe...

Страница 8: ...ct designs and form factor compatible with the u blox cellular module families this allows customers to take the maximum advantage of their hardware and software investments and provides very short ti...

Страница 9: ...3 5 6 8 19 24 6 1 6 8 19 TOBY L280 4 1 3 5 7 8 28 24 6 1 2 5 8 12 Quad MPCI L200 4 2 4 5 7 17 24 6 1 2 4 5 8 12 Quad MPCI L201 4 2 4 5 13 17 24 6 2 5 MPCI L210 4 1 3 5 7 8 20 24 6 1 2 5 8 12 Quad MPC...

Страница 10: ...850 MHz o Band 8 900 MHz o Band 1 2100 MHz TOBY L280 MPCI L280 o Band 5 850 MHz o Band 8 900 MHz o Band 2 1900 MHz o Band 1 2100 MHz Band support TOBY L200 MPCI L200 o GSM 850 MHz o E GSM 900 MHz o DC...

Страница 11: ...L2 series block diagram As described in the Figure 2 each MPCI L2 series module integrates one TOBY L2 series module The MPCI L200 integrates a TOBY L200 module The MPCI L201 integrates a TOBY L201 m...

Страница 12: ...near RF demodulator modulator capable GMSK 8 PSK QPSK 16 QAM 64 QAM o Fractional N Sigma Delta RF synthesizer o VCO Power Amplifiers PA amplify the Tx signal modulated by the RF transceiver RF switche...

Страница 13: ...in System PWR_ON 20 I Power on input Internal active pull up to the VCC enabled See section 1 6 1 for functional description See section 2 3 1 for external circuit design in RESET_N 23 I External rese...

Страница 14: ...rcuit design in USB_D 27 I O USB Data Line D USB interface for AT and data communication FOAT FW update by u blox EasyFlash tool and diagnostic 90 nominal differential impedance Z0 30 nominal common m...

Страница 15: ...section 2 6 2 for external circuit design in DSR 10 O I O UART data set ready output GPIO UART DSR not supported by 00 product versions GPIO not supported by 00 01 60 versions 1 8 V Circuit 107 in ITU...

Страница 16: ...nctional description See section 2 6 4 for external circuit design in SDIO_CLK 64 O SDIO serial clock Not supported by 00 01 60 product versions Interface for communication with u blox Wi Fi module Se...

Страница 17: ...6 61 I O GPIO Not supported by 00 01 60 product versions 1 8 V GPIO with alternatively configurable functions See section 1 11 for functional description See section 2 8 for external circuit design in...

Страница 18: ...3 V SIM See section 1 8 for functional description See section 2 5 for external circuit design in USB USB_D 36 I O USB Data Line D USB interface for AT and data communication FOAT FW update by u blox...

Страница 19: ...module enters power off mode from active mode When in power off mode TOBY L2 modules can be switched on by PWR_ON RESET_N or an RTC alarm When in power off mode TOBY L2 modules enter the not powered...

Страница 20: ...nds Manual 3 When a data connection is initiated the module enters connected mode from active mode Connected mode is suspended if Tx Rx data is not in progress due to connected discontinuous reception...

Страница 21: ...3Vaux voltage during normal operation Within VCC or 3 3Vaux extended operating range See Supply Power pins section in the TOBY L2 Data Sheet 1 or in the MPCI L2 Data Sheet 2 The modules may switch off...

Страница 22: ...n figures are quite less high than the one in the low bands due to 3GPP transmitter output power specifications During a GSM call current consumption is not so significantly high in receiving or in mo...

Страница 23: ...f the 4 transmit slots bursts with a periodicity of 4 615 ms width of 1 frame 8 slots bursts so with a 1 2 duty cycle according to 2G TDMA If the module is in GPRS connected mode in the 1800 or 1900 M...

Страница 24: ...iffers from the TDMA implemented in the 2G case In the worst scenario corresponding to a continuous transmission and reception at maximum output power approximately 250 mW or 24 dBm the average curren...

Страница 25: ...ion are continuously enabled in FDD In the worst scenario corresponding to a continuous transmission and reception at maximum output power approximately 250 mW or 24 dBm the average current drawn by t...

Страница 26: ...een two paging block receptions is defined by the network This is the paging period parameter fixed by the base station through broadcast channel sent to all users on the same serving cell In case of...

Страница 27: ...than that in the power saving mode Figure 10 illustrates a typical example of the module current consumption profile when power saving is disabled In such case the module is registered with the networ...

Страница 28: ...pecified in the Input characteristics of Supply Power pins table in TOBY L2 series Data Sheet 1 The RTC can be supplied from an external back up battery through the V_BCKP when the main module voltage...

Страница 29: ...sed to source the generic digital I O interfaces of the TOBY L2 module as described in Figure 12 The output of this regulator is enabled when the module is switched on and it is disabled when the modu...

Страница 30: ...the normal operating range The status of the PWR_ON input pin of TOBY L2 modules while applying the VCC module supply is not relevant during this phase the PWR_ON pin can be set high or low by the ext...

Страница 31: ...14 TOBY L2 and MPCI L2 series power on sequence description The greeting text can be activated by means of CSGT AT command see u blox AT Commands Manual 3 to notify the external application that the m...

Страница 32: ...rfaces supply output V_INT is switched off by the module It is highly recommended to avoid an abrupt removal of the 3 3Vaux supply during MPCI L2 modules normal operations the power off procedure must...

Страница 33: ...state AT CPWROFF sent to the module OK replied by the module VCC can be removed Figure 15 TOBY L2 series power off sequence description The Internal Reset signal is not available on a module pin but i...

Страница 34: ...dware reset of the module by forcing a low level on the RESET_N or PERST input during modules normal operation the RESET_N or PERST line should be set low only if reset or shutdown via AT commands fai...

Страница 35: ...RF reception The ANT2 Hirose U FL R SMT coaxial connector receptacle of MPCI L2 modules has a nominal characteristic impedance of 50 and must be connected to the secondary Rx antenna through a mated R...

Страница 36: ...s the 50 characteristic impedance of the ANT1 port The impedance of the antenna termination must match as much as possible the 50 nominal impedance of the ANT1 port over the operating frequency range...

Страница 37: ...y with the Over The Air OTA radiated performance requirements as the TIS specified by applicable related certification schemes Table 9 Summary of secondary Rx antenna RF interface ANT2 requirements It...

Страница 38: ...M ME interface including automatic detection and configuration of the voltage required by the connected SIM card or chip Both 1 8 V and 3 V SIM types are supported Activation and deactivation with aut...

Страница 39: ...nting the main interface for transferring high speed data with a host application processor the USB interface is available for AT commands data communication FW upgrade by means of the FOAT feature FW...

Страница 40: ...Serial Figure 19 TOBY L2 and MPCI L2 series USB End Points summary for the default USB profile configuration The USB of the modules can be configured by the AT UUSBCONF command for more details see th...

Страница 41: ...nd and the new configuration is effective at the subsequent reboot of the module If the USB is connected to the host before the module is switched on or if the module is reset rebooted with the USB co...

Страница 42: ...a power saving configuration is enabled by the AT UPSV command the module automatically enters the low power idle mode whenever possible but it wakes up to active mode according to any required activ...

Страница 43: ...minating equipment DCE according to the ITU T V 24 Recommendation 8 A host application processor connected to the module through the UART interface represents the data terminal equipment DTE UART sign...

Страница 44: ...parity 1 stop bit default frame format 8E1 8 data bits even parity 1 stop bit 8O1 8 data bits odd parity 1 stop bit 7N2 7 data bits no parity 2 stop bits 7N1 7 data bits no parity 1 stop bit 7E1 7 da...

Страница 45: ...virtual channels are defined Channel 0 control channel Channel 1 5 AT commands data connection Table 11 Default UART interface configuration 1 9 2 3 UART signals behavior At the module switch on befo...

Страница 46: ...AT K AT Q AT IFC AT commands If the hardware flow control is not enabled the CTS line still indicates when the UART interface is enabled as it does when hardware flow control is enabled The module dr...

Страница 47: ...t Module behavior according to DTR status can be changed by AT command configuration for more details see the u blox AT Commands Manual 3 D AT command description If AT UPSV 3 is set the DTR line is m...

Страница 48: ...pleted even if the data call release would request DCD set OFF If AT C0 is set the DCD module output line is set by default to the ON state low level at UART initialization and is then always held in...

Страница 49: ...oduct versions 1 9 2 4 UART and power saving The power saving configuration is controlled by the AT UPSV command for the complete description see the u blox AT Commands Manual 3 When power saving is e...

Страница 50: ...orrectly received by the DTE if it is ready to receive data otherwise data is lost 2 Disabled AT K0 OFF ON or OFF Data sent by the DTE is lost by the module14 Data sent by the module is correctly rece...

Страница 51: ...whenever possible but it wakes up to active mode according to the UART periodic wake up so that the module cyclically enters the low power idle mode and the active mode Additionally the module wakes...

Страница 52: ...disabled with AT UPSV 2 configuration AT UPSV 3 power saving enabled and controlled by the DTR line The UART interface is disabled after the DTE sets the DTR line to OFF Afterwards the UART is enable...

Страница 53: ...control disabled and the DTR line is set OFF Figure 24 and Figure 25 show examples of common scenarios and timing constraints AT UPSV 1 power saving configuration is active and the timeout from last d...

Страница 54: ...cal link This is a data link protocol which uses HDLC like framing and operates between the module DCE and the application processor DTE and allows a number of simultaneous sessions over the used phys...

Страница 55: ...he cellular module UART USB allows a full control of the Wi Fi module from any host processor because Wi Fi control messages are relayed to the Wi Fi module via the dedicated SDIO interface for more d...

Страница 56: ...ion MSB is transmitted and read first I2 S clock signal frequency is set to 32 x I2S_sample_rate the frame length which corresponds to the I2 S word alignment synchronization signal period is 32 I2 S...

Страница 57: ...M card physical presence detection GPIO5 GPIO5 SIM card hot insertion removal Enable disable SIM interface upon detection of external SIM card physical insertion removal GPIO5 I2 S digital audio inter...

Страница 58: ...ription MPCI L2 series modules include the LED_WWAN active low open drain output to provide the Wireless Wide Area Network status indication as specified by the PCI Express Mini Card Electromechanical...

Страница 59: ...antenna assembly with a built in resistor diagnostic circuit must be used an antenna detection circuit must be implemented on the application board See section 1 7 2 for detailed antenna detection in...

Страница 60: ...1 15 6 TCP IP and UDP IP Embedded TCP IP and UDP IP stack as well as Direct Link mode are not supported by the 00 and 60 product versions TOBY L2 and MPCI L2 series modules provide embedded TCP IP an...

Страница 61: ...sted certificates list Client authentication use of the client certificate and the corresponding private key Data security and integrity data encryption and Hash Message Authentication Code HMAC gener...

Страница 62: ...again and wakes up in normal boot For more details about Firmware update Over AT procedure see the Firmware Update Application Note 6 and the u blox AT Commands Manual 3 UFWUPD AT command 1 15 13 Firm...

Страница 63: ...by limits see Figure 28 named t 2 t 1 t 1 and t 2 Within the first limit t 1 Ti t 1 the cellular module is in the normal working range the Safe Area In the Warning Area t 2 Ti t 1 or t 1 Ti t 2 the c...

Страница 64: ...s Send shutdown notification Feature enabled full logic or indication only IF Full Logic Enabled Feature disabled no action Temperature is within normal operating range Yes Tempetature is within warni...

Страница 65: ...ply voltage when the ambient temperature Ta in the reference setup equals the absolute maximum temperature rating upper limit of the extended temperature range 90 C for TOBY L201 02S and MPCI L201 02S...

Страница 66: ...luetooth Transceiver Device including SIM Remote SIM Mobile Equipment SAP Server Bluetooth transceiver Figure 31 Remote SIM access via Bluetooth and wired connection The application processor can star...

Страница 67: ...utomatic periodic monitoring of the paging channel for the reception of the paging block sent by the base station according to network conditions see section 1 5 1 5 The connected USB host forces a re...

Страница 68: ...is required to guarantee USB 2 0 high speed interface functionality Carefully follow the suggestions provided in the relative section 2 6 1 for schematic and layout design 4 SIM interface VSIM SIM_CL...

Страница 69: ...n The switching step down regulator is the typical choice when the available primary supply source has a nominal voltage much higher e g greater than 5 V than the operating supply voltage of TOBY L2 a...

Страница 70: ...ggested when the difference from the available supply rail to the VCC or the 3 3Vaux value is high since switching regulators provide good efficiency transforming a 12 V or greater voltage supply to t...

Страница 71: ...V C5750X7R1H106MB TDK C2 10 nF Capacitor Ceramic X7R 0402 10 16 V GRM155R71C103KA01 Murata C3 680 pF Capacitor Ceramic X7R 0402 10 16 V GRM155R71H681KA01 Murata C4 22 pF Capacitor Ceramic C0G 0402 5...

Страница 72: ...5R 1210 10 25 V GRM32ER61E226KE15 Murata C2 100 F Capacitor Tantalum B_SIZE 20 6 3V 15m T520B107M006ATE015 Kemet C3 5 6 nF Capacitor Ceramic X7R 0402 10 50 V GRM155R71H562KA88 Murata C4 6 8 nF Capacit...

Страница 73: ...n example of a power supply circuit where the VCC or 3 3Vaux module supply is provided by an LDO linear regulator capable of delivering the required current with proper power handling capability It is...

Страница 74: ..._SIZE 6 3 V 45 m T520D337M006ATE045 KEMET R1 27 k Resistor 0402 5 0 1 W RC0402JR 0727KL Yageo Phycomp R2 4 7 k Resistor 0402 5 0 1 W RC0402JR 074K7L Yageo Phycomp R3 12 k Resistor 0402 5 0 1 W RC0402J...

Страница 75: ...n if all the VCC 3 3Vaux pins and all the GND pins are internally connected within the module it is recommended to properly connect all of them to supply the module to minimize series resistance losse...

Страница 76: ...xternally accessible on the application board e g if accessible battery connector is directly connected to the supply pins Higher protection level can be achieved by mounting an ESD protection e g EPC...

Страница 77: ...F Capacitor Ceramic X7R 0402 10 16 V GRM155R71C103KA01 Murata C3 1 nF Capacitor Ceramic X7R 0402 10 50 V GRM155R71H102KA01 Murata C5 330 F Capacitor Tantalum D_SIZE 6 3 V 45 m T520D337M006ATE045 KEMET...

Страница 78: ...sly charges a suitable Li Ion or Li Polymer battery with correct pulse and DC discharge current capabilities and the appropriate DC series resistance according to the rechargeable battery recommendati...

Страница 79: ...R4 R5 C7 C8 D3 R6 SYSFB R7 C9 C15 C14 Figure 40 Li Ion or Li Polymer battery charging and power path management application circuit Reference Description Part Number Manufacturer B1 Li Ion or Li Poly...

Страница 80: ...switching DC DC converters in which case it is better to select the highest operating frequency for the switcher and add a large L C filter before connecting to the TOBY L2 and MPCI L2 series modules...

Страница 81: ...its a using a 100 F capacitor to let the RTC run for 80 s after VCC removal b using a 70 mF capacitor to let RTC run for 15 hours after VCC removal c using a non rechargeable battery Reference Descrip...

Страница 82: ...section 2 6 3 for more details Enable external voltage regulators providing supply for external devices as linear LDO regulators providing the 3 3 V 1 8 V supply rails for a u blox ELLA W1 series mod...

Страница 83: ...en collector output is suitable to drive the PWR_ON input from an application processor as PWR_ON input is equipped with an internal active pull up resistor to the VCC supply as described in Figure 42...

Страница 84: ...CA05P4S14THSG varistor close to accessible point An open drain output is suitable to drive the RESET_N and PERST inputs from an application processor as they are equipped with an internal pull up to...

Страница 85: ..._SELECT0 and HOST_SELECT1 for the selection of the module configuration by the host application processor Do not apply voltage to HOST_SELECT0 and HOST_SELECT1 pins before the switch on of their suppl...

Страница 86: ...sically do not imply physical restriction to the design of the PCB where the TOBY L2 and MPCI L2 series module is mounted o The radiation performance mainly depends on the antennas It is required to s...

Страница 87: ...ate gain figure i e combined antenna directivity and efficiency figure so that the electromagnetic field radiation intensity do not exceed the regulatory limits specified in some countries e g by FCC...

Страница 88: ...37 mm Select thicker cables to minimize insertion loss Cable length standard length is typically 100 mm or 200 mm custom lengths may be available on request Select shorter cables to minimize insertion...

Страница 89: ...L3 Copper L2 Copper L4 Copper FR 4 dielectric FR 4 dielectric FR 4 dielectric 380 m 500 m 500 m Figure 46 Example of 50 coplanar waveguide transmission line design for the described 4 layer board layu...

Страница 90: ...ission lines width and spacing to GND must be uniform and routed as smoothly as possible avoid abrupt changes of width and spacing to GND Add GND stitching vias around transmission lines as described...

Страница 91: ...plane of the application PCB can be reduced down to a minimum size that must be similar to 1 4 of wavelength of the minimum frequency that has to be radiated As numerical example Frequency 750 MHz Wav...

Страница 92: ...6 x 1 6 mm Table 26 Examples of internal surface mount antennas Table 27 lists some examples of possible internal off board antennas with cable and connector Manufacturer Part Number Product Name Des...

Страница 93: ...tenna waterproof IP67 rated with cable and SMA M 698 960 MHz 1710 2170 MHz 2400 2700 MHz 205 8 x 58 x 12 4 mm Laird Tech TRA6927M3PW 001 GSM WCDMA LTE screw mount antenna with N type F 698 960 MHz 171...

Страница 94: ...Electronics L1 L2 68 nH Multilayer Inductor 0402 SRF 1 GHz LQG15HS68NJ02 Murata R1 10 k Resistor 0402 1 0 063 W RK73H1ETTP1002F KOA Speer J1 J2 SMA Connector 50 Through Hole Jack SMA6251A1 3GT50G 50...

Страница 95: ...that that the antenna is not connected or the RF cable is broken Reported values below the measurement range minimum limit 1 k highlights a short to GND at antenna or along the RF cable Measurement i...

Страница 96: ...contacts C4 and C8 Only 6 contacts are required and must be connected to the module SIM interface Removable SIM cards are suitable for applications requiring a change of SIM card during the product l...

Страница 97: ...accessible SIM line close to each relative pad of the SIM connector ESD sensitivity rating of the SIM interface pins is 1 kV HBM So that according to EMC ESD requirements of the custom application hig...

Страница 98: ...pecially in case the RF antenna is placed closer than 10 30 cm from the SIM lines Limit capacitance and series resistance on each SIM signal to match the SIM requirements 26 2 ns is the maximum allowe...

Страница 99: ...line very close to each related pad of the SIM connector to prevent RF coupling especially in case the RF antenna is placed closer than 10 30 cm from the SIM card holder Provide a very low capacitanc...

Страница 100: ...se the second SIM when a high logic level is re applied on the GPIO5 pin In the application circuit example represented in Figure 53 the application processor will drive the SIM switch using its own G...

Страница 101: ...1RST 2RST SEL SECOND SIM CARD VPP C6 VCC C1 IO C7 CLK C3 RST C2 GND C5 J2 C6 C7 C8 C10 C9 D5 D6 D7 D8 Application Processor GPIO R1 MPCI L2 series C1 FIRST SIM CARD VPP C6 VCC C1 IO C7 CLK C3 RST C2...

Страница 102: ...ing with RF line or sensitive analog inputs In the second case the same harmonics can be picked up and create self interference that can reduce the sensitivity of LTE 3G 2G receiver channels whose car...

Страница 103: ...nected to this pin as described in Figure 54 and Table 34 The ESD sensitivity rating of USB pins is 1 kV HBM as per JESD22 A114F Higher protection level could be required if the lines are externally a...

Страница 104: ...lose as possible to 90 Ensure the common mode characteristic impedance ZCM is as close as possible to 30 Consider design rules for USB_D USB_D similar to RF transmission lines being them coupled diffe...

Страница 105: ...nterface application circuit with complete V 24 link in DTE DCE serial communication 1 8V DTE If a 3 0 V Application Processor DTE is used then it is recommended to connect the 1 8 V UART interface of...

Страница 106: ...serial communication 1 8V DTE If a 3 0 V Application Processor DTE is used then it is recommended to connect the 1 8 V UART interface of the module DCE by means of appropriate unidirectional voltage t...

Страница 107: ...CTS DTR DSR RI DCD GND TOBY L2 series 1 8V DCE 16 TXD 13 DTR 17 RXD 14 RTS 15 CTS 10 DSR 11 RI 12 DCD GND 0 TP 0 TP 0 TP TP 0 TP TP TP TP Figure 61 UART interface application circuit with partial V 24...

Страница 108: ...s not recommended During command mode the DTE must send to the module a wake up character or a dummy AT before each command line see section 1 9 2 4 for the complete description but during data mode t...

Страница 109: ...l signal connected to the DDC I2 C interface must not be set high before the switch on of the V_INT supply of DDC I2 C pins to avoid latch up of circuits and let a proper boot of the module The signal...

Страница 110: ...cific line lengths and layout implemented In general the SDIO series resistors are not strictly required but it is recommended to slow the SDIO signal for example with 22 or 33 resistors and avoid any...

Страница 111: ...P220J KOA R8 470 Resistor 0402 5 0 1 W RK73B1ETTP471J KOA R9 47 k Resistor 0402 5 0 1 W RK73B1ETTD473J KOA U1 LDO Linear Regulator 3 0 V 0 3 A LT1962EMS8 3 3 Linear Technology U2 LDO Linear Regulator...

Страница 112: ...ct the 1 8 V digital audio interface of the module to the external 3 0 V or similar digital audio device by means of appropriate unidirectional voltage translators e g TI SN74AVC4T774 or SN74AVC2T245...

Страница 113: ...ning proper digital interfaces voltage level Additional components are provided for EMC and ESD immunity conformity a 10 nF bypass capacitor and a series chip ferrite bead noise EMI suppression filter...

Страница 114: ...INT to avoid latch up of circuits and allow a proper boot of the module If the external signals connected to the cellular module cannot be tri stated or set low insert a multi channel digital switch e...

Страница 115: ...red microphone should be designed for GSM applications which typically have internal built in bypass capacitor for RF very close to active device If the integrated FET detects the RF burst the resulti...

Страница 116: ...402 5 0 1 W Various manufacturers R3 820 Resistor 0402 5 0 1 W Various manufacturers DL1 LED Red SMT 0603 LTST C190KRKT Lite on Technology Corporation T1 NPN BJT Transistor BC847 Infineon Table 40 Com...

Страница 117: ...the application board e g if an accessible push button is directly connected to the W_DISABLE pin and it can be achieved by mounting an ESD protection e g EPCOS CA05P4S14THSG varistor close to accessi...

Страница 118: ...AN application circuit ESD sensitivity rating of the LED_WWAN pin is 1 kV HBM according to JESD22 A114 Higher protection level could be required if the line is externally accessible and it can be achi...

Страница 119: ...ircuits performance Implement proper countermeasures to avoid any possible Electro Magnetic Compatibility issue Make sure that the module RF and analog parts circuits and high speed digital circuits a...

Страница 120: ...mm G 1 10 mm M1 1 80 mm P3 2 85 mm Table 43 TOBY L2 series module suggest footprint dimensions The Non Solder resist Mask Defined NSMD pad type is recommended over the Solder resist Mask Defined SMD p...

Страница 121: ...0 8 mm pitch PCI Express Mini card edge female connector Molex 67910 series 52 circuit 0 8 mm pitch PCI Express Mini card edge female connector TE Connectivity AMP 2041119 series 52 circuit 0 8 mm pi...

Страница 122: ...of the connector mating axis as described in Figure 72 ExtractionJig RF Cable Assembly U FL Receptacle Figure 72 Precautions during RF connector extraction Any attempt to unplug the RF connectors by...

Страница 123: ...e used to improve heat dissipation in the application Connect each GND pin with solid ground layer of the application board and connect each ground area of the multilayer application board with comple...

Страница 124: ...and the radio equipment standards ETSI EN 301 489 1 19 ETSI EN 301 489 52 20 which requirements are summarized in Table 45 The ESD immunity test is performed at the enclosure port defined by ETSI EN 3...

Страница 125: ...pling planes indirect contact discharge Enclosure 4 kV 4 kV Contact Discharges to conducted surfaces direct contact discharge Enclosure port Not Applicable Test not applicable to u blox reference desi...

Страница 126: ...ce designs of TOBY L2 and MPCI L2 series modules is described in Figure 43 and Table 24 section 2 3 2 SIM interface The following precautions are suggested for TOBY L2 and MPCI L2 series modules SIM i...

Страница 127: ...on board The following precautions are suggested to achieve higher protection level USB interface a very low capacitance i e less or equal to 1 pF ESD protection device e g Tyco Electronics PESD0402 1...

Страница 128: ...C C1 CCVPP C6 CCIO C7 CCCLK C3 CCRST C2 GND C5 47pF 47pF 100nF 59 VSIM 57 SIM_IO 56 SIM_CLK 58 SIM_RST 47pF ESD ESD ESD ESD 81 ANT1 87 ANT2 Primary cellularantenna TP TP Secondary cellularantenna 5 V_...

Страница 129: ...T C2 GND C5 47pF 47pF 100nF 59 VSIM 57 SIM_IO 56 SIM_CLK 58 SIM_RST 47pF ESD ESD ESD ESD 81 ANT1 87 ANT2 Primary cellularantenna TP TP Secondary cellularantenna 5 V_INT TP 15pF 8 2pF 100 F 75 ANT_DET...

Страница 130: ...a 23 RESET_N Application Processor Open drain output 20 PWR_ON Open drain output TP TP 16 TXD 17 RXD 12 DCD 14 RTS 15 CTS 13 DTR 10 DSR 11 RI TP TP TP TP TP TP TP TP TXD RXD DCD RTS CTS DTR DSR RI 1 8...

Страница 131: ...es Application Processor Open Drain Output 22 PERST GND GND USB 2 0 Host D D 36 USB_D 38 USB_D 68pF Primary Antenna Secondary Antenna 42 LED_WWAN 15pF 8 2pF 20 W_DISABLE Open Drain Output 24 3 3Vaux 3...

Страница 132: ...otections if accessible Check UART signals direction as the TOBY L2 signal names follow the ITU T V 24 Recommendation 8 Consider providing appropriate low value series damping resistors on SDIO lines...

Страница 133: ...rounding connecting each GND pin with application board solid ground layer Use as many vias as possible to connect the ground planes on multilayer application board providing a dense line of vias at t...

Страница 134: ...circuitry Ensure compliance with any regulatory agency RF radiation requirement as reported in sections 4 2 2 and or 4 3 1 for products marked with the FCC and or IC Ensure high and similar efficiency...

Страница 135: ...small working station or a large manufacturing area The main principle of an EPA is that there are no highly charging materials near ESD sensitive electronics all conductive materials are grounded wo...

Страница 136: ...ens allow precise control of the temperature and all parts will be heated up evenly regardless of material properties thickness of components and surface color Consider the IPC 7530A Guidelines for te...

Страница 137: ...Leadfree 100 Soldering Profile 50 50 Elapsed time s Figure 77 Recommended soldering profile The modules must not be soldered with a damp heat process 3 3 3 Optical inspection After soldering the TOBY...

Страница 138: ...Y L2 module already populated on it Performing a wave soldering process on the module can result in severe damage to the device u blox gives no warranty against damages to TOBY L2 modules caused by pe...

Страница 139: ...be sufficient to provide optimum immunity to interferences and noise u blox gives no warranty for damages to the cellular modules caused by soldering metal cables or any other forms of metal strips d...

Страница 140: ...n device to be deployed in the market The required certification scheme approvals and relative testing specifications differ depending on the country or the region where the device that integrates TOB...

Страница 141: ...vice must accept any interference received including interference that may cause undesired operation Radiofrequency radiation exposure Information this equipment complies with radiation exposure limit...

Страница 142: ...BY L2 and MPCI L2 series modules are required to have their final product certified and apply for their own FCC Grant related to the specific portable device This is mandatory to meet the SAR requirem...

Страница 143: ...LTE FDD 17 band 4 3 dBi 850 MHz i e GSM 850 or UMTS FDD 5 or LTE FDD 5 band 5 5 dBi 1700 MHz i e AWS or UMTS FDD 4 or LTE FDD 4 band 2 8 dBi 1900 MHz i e GSM 1900 or UMTS FDD 2 or LTE FDD 2 band 6 0...

Страница 144: ...the listing in the Innovation Science and Economic Development 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 Addition...

Страница 145: ...exposition aux RF au Canada rendez vous sur http www ic gc ca eic site smt gst nsf fra sf08792 html IMPORTANT les fabricants d applications portables contenant les modules TOBY L2 and MPCI L2 series...

Страница 146: ...014 53 EU Radio Equipment Directive the modules are compliant with the following standards Radio Frequency spectrum use Article 3 2 o EN 301 511 o EN 301 908 1 o EN 301 908 2 o EN 301 908 13 Electroma...

Страница 147: ...ds AS CA S042 1 2011 Requirements for connection to an air interface of a Telecommunications Network Part 1 AS ACIF S042 3 2005 Requirements for connection to an air interface of a Telecommunications...

Страница 148: ...062 TOBY L220 o T AD160008003 o R 003 160019 MPCI L210 60S o T D150057003 o R 003 150063 MPCI L220 o T AD160009003 o R 003 160020 TOBY L210 D150056003 003 150062 60S xx TOBY L220 AD160008003 003 16001...

Страница 149: ...typical automatic test equipment ATE in a production line The following typical tests are among the production tests Digital self test firmware download Flash firmware verification IMEI programming M...

Страница 150: ...devices A Go No go test is typically to compare the signal quality with a Golden Device in a location with excellent network coverage and known signal quality This test should be performed after data...

Страница 151: ...use of this feature is intended for testing purpose in controlled environments by qualified user and must not be used during the normal module operation Follow instructions suggested in u blox docume...

Страница 152: ...47 49 50 52 53 68 70 73 54 56 59 62 48 51 67 SDIO_CMD SDIO_D0 GND VCC VCC GND ANT_DET SDA SIM_IO SIM_RST GPIO5 GPIO6 SDIO_D2 SDIO_CLK RSVD RSVD I2S_WA I2S_CLK I2S_RXD SDIO_D1 VCC GND SCL SIM_CLK VSIM...

Страница 153: ...bands MIMO 2x2 Rx diversity Antenna Detection VCC module supply in V_BCKP V_INT 1 8 V supply out PWR_ON RESET_N Host select SIM 1 8 V 3 0 V SIM detection UART 1 8 V USB 2 0 High Speed SDIO 1 8 V DDC I...

Страница 154: ...0 900 950 703 750 700 960 28 28 5 5 8 8 850 900 850 900 I I II II 1700 1750 1800 1850 1900 1950 2000 2050 2100 2150 1710 2170 3 3 1 1 2500 2690 2500 2550 2600 2650 2700 7 7 2200 1800 1900 1900 1800 VI...

Страница 155: ...selection of module configuration by the host22 Reserved HOST_SELECT0 27 USB_D USB Data I O D USB_D USB Data I O D No functional difference 28 USB_D USB Data I O D USB_D USB Data I O D No functional...

Страница 156: ...ule Supply Input 3 40 V 4 35 V normal range High 2G current pulses Switch on applying VCC No VCC functional difference 73 74 GND Ground GND Ground 75 RSVD Reserved ANT_DET Antenna Detection Input29 Re...

Страница 157: ...4 RSVD SDIO_CLK 22 22 22 22 22 22 SD_D0 15 SD_D1 16 SD_D2 11 SD_D3 12 SD_CLK 14 SD_CMD 13 GND PDn 9 RESETn 10 SLEEP_CLK 19 CFG 20 GND 47k Wi Fi Antenna 3V 8 WWAN Indicator 0 0 0 TOBY L1 series 00 01 0...

Страница 158: ...tion DRX Discontinuous Reception DSP Digital Signal Processing DTE Data Terminal Equipment ECM Ethernet networking Control Model EDGE Enhanced Data rates for GSM Evolution EMC Electro Magnetic Compati...

Страница 159: ...on PCN IN Product Change Notification Information Note PCS Personal Communications Service PFM Pulse Frequency Modulation PMU Power Management Unit PWM Pulse Width Modulation QPSK Quadrature Phase Shi...

Страница 160: ...versal Mobile Telecommunications System USB Universal Serial Bus VCO Voltage Controlled Oscillator VSWR Voltage Standing Wave Ratio Wi Fi Wireless Local Area Network IEEE 802 11 short range radio tech...

Страница 161: ...m wp content uploads TS 09_v10 1 pdf 18 CENELEC EN 61000 4 2 2001 Electromagnetic compatibility EMC Part 4 2 Testing and measurement techniques Electrostatic discharge immunity test 19 ETSI EN 301 489...

Страница 162: ...Specification Added description and design in for TOBY L200 02S TOBY L210 02S MPCI L200 02S and MPCI L210 02S product versions R09 19 Aug 2015 sses Changed status to Early Production Information Added...

Страница 163: ...R24 27 Jul 2017 lpah Updated TOBY L200 00S 01 MPCI L200 00S 01 TOBY L210 00S 00 MPCI L210 00S 00 TOBY L210 60S 01 product status to End Of Life R25 03 Jan 2018 lpah sses Updated TOBY L200 02S 01 MPCI...

Страница 164: ...ox com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com Supp...

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