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LE910Cx

 Hardware User Guide 

1VV0301298   Rev. 1.05 - 2017-06-18 

Reproduction forbidden without written authorization by Telit Communications S.p.A. - All Rights Reserved 

Telit Confidential Information, provided under NDA              

 

Page 

41 of 117

 

3.3.

 

LGA Pads Layout 

Figure 2: LGA Pads Layout 

 

 

 

 

A

B

C

D

E

F

G 

H

J

K

L

M

N

P

R 

 

1

 

AD

C_IN

1

SIM

CLK

2

SIM

RST

2

GN

D

AN

T_D

IV

GN

D

GN

D

GN

D

AN

T_M

AIN

GN

D

VBA

TT

VBA

TT_

PA

VBA

TT_

PA

 

 

2

GN

D

RES

SIM

IO

2

SIM

VCC

2

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

VBA

TT

VBA

TT_

PA

VBA

TT_

PA

GN

D

 

3

SIM

VCC

RES

RES

RES

RES

RES

RES

RES

RES

RES

RES

GN

D

GN

D

GN

D

GN

D

 

4

SIM

IN

RES

RES

GN

D

SGM

II_

RX_

P  
SGM

II_

RX_

M 

SIM

IN

2 

AD

C_IN

2

RES

RES

RES

GN

D

GN

D

GN

D

RFU

 

5

SIM

IO

RES

RES

SGM

II_

TX_

P

 

 

 

 

 

 

 

RES

GN

D

GN

D

GN

D

 

6

SIM

CLK

DVI_

RX

RES

SGM

II_

TX_

M

 

 

 

 

 

 

 

RES

GN

D

GN

D

GN

D

 

7

SIM

RST

DVI_

TX

RES

AD

C_IN

3 

 

 

 GN

D

 GN

D

 GN

D

 

 

RES

RES

RES

GPS

_L

NA

_E

N
 

8

RES

DVI_

CLK

GPIO

_01

RES

 

 

 GN

D

 GN

D

 GN

D

 

 

W

CI_

TXD

_TG

PIO

24 

RES

GN

D

GN

D

 

9

RES

DVI_

W

A0

GPIO

_02

RES

 

 

 GN

D

 GN

D

 GN

D

 

 

W

CI_

RXD

_TG

PIO

25 
GPS

_SY

NC

GN

D

AN

T_GP

S

 

10

RES

I2C

_SD

A

GPIO

_03

RES

 

 

 

 

 

 

 

RFC

LK2

_Q

CA

RES

GN

D

GN

D

 

11

HSIC

_ST

B

I2C

_SC

L

GPIO

_04

RES

 

 

 

 

 

 

 

W

LA

N_S

LE

EP_

CLK

RES

RES

VA

UX/P

W

RM

ON

 

12

HSIC

_DA

TA

REF

_CL

K

GPIO

_06

RES

MMC
_DA

T0 
MMC
_CL

K 
MMC
_DA

T1 
 MMC
_DA

T3

MMC
_CMD

 

MMC
_DA

T2

W

IFI_

SDR

ST

GN

D

RES

RES

ON

_O

FF*
 

13

VU

SB

GN

D

GPIO

_07

RES

RES

VMMC

MMC
_CD

W

IFI_

SD3

W

IFI_

SD0

W

IFI_

SD2

W

IFI_

SDC

LK

W

IFI_

SD1

W

IFI_

SDC

MD

GN

D

HW

_SHU

TDO

W

N*

 

14

USB_

ID

GPIO

_05

RES

RES

GN

D

RES

RES

SPI_

CS /

 GP

IO

_11

RES

RES

C105/
RTS

C108/
DTR

C109/
DCD

C107/
DSR

C125/
RIN

G

 

15

 

USB_

D+

USB_

D-

SPI_

MO

SI

/ T

X_A

UX

SPI_

MIS

O

/R

X_A

UX

SPI_

CLK

GPIO

_10

RES

RES

GPIO

_8

GPIO

_9

C104/
RXD

C103/
TXD

C106/
CTS

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LE910Cx

Page 1: ...LE910Cx Hardware User Guide 1VV0301298 Rev 1 05 2017 06 18...

Page 2: ...ons S p A All Rights Reserved Telit Confidential Information provided under NDA Page 2 of 117 Applicability Table This documentation applies to the following products Table 1 Applicability Table Modul...

Page 3: ...r media Laws in Italy and other countries preserve for Telit and its licensors certain exclusive rights for copyrighted material including the exclusive right to copy reproduce in any form distribute...

Page 4: ...ny language or computer language in any form or by any means without prior written permission of Telit High Risk Materials Components units or third party products used in the product described herein...

Page 5: ...w 17 2 2 Applications 17 2 3 General Functionality and Main Features 18 2 4 Block Diagram 21 2 5 Environmental Requirements 22 2 5 1 Temperature Range 22 2 5 2 RoHS Compliance 22 2 6 Frequency Bands 2...

Page 6: ...the LE910Cx Module 48 5 2 Initialization and Activation State 48 5 3 Turning OFF the LE910Cx Module 50 5 3 1 Shutdown by Software Command 50 5 3 2 Hardware Shutdown 51 5 3 4 Unconditional Hardware Shu...

Page 7: ...face 70 8 3 SGMII Interface optional 70 8 3 1 Ethernet Control interface 70 8 4 Serial Ports 71 8 4 1 Modem Serial Port 1 Signals 72 8 4 2 Modem Serial Port 2 73 8 4 3 RS232 Level Translation 74 8 5 P...

Page 8: ...0 Mounting the Module on your Board 94 10 1 General 94 10 2 Finishing Dimensions 94 10 3 Recommended Footprint for the Application 97 10 4 Stencil 98 10 5 PCB Pad Design 98 10 6 Recommendations for PC...

Page 9: ...idden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 9 of 117 13 Safety Recommendations 112 14 Conformity assess...

Page 10: ...r SIM Pads Operating at 2 95V 47 Table 16 Power Supply Requirements 53 Table 17 LE910Cx Current Consumption 53 Table 18 GSM WCDMA LTE Antenna Requirements 62 Table 19 Antenna Line on PCB Requirements...

Page 11: ...017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 11 of 117 Table 40 EMC Recommend...

Page 12: ...mple of Switching Regulator with 12V Input Part 2 58 Figure 13 RS232 Level Adaption Circuitry Example 74 Figure 14 RS232 Serial Port Lines Connection Layout 75 Figure 15 SPI Signal Connectivity 76 Fig...

Page 13: ...suggested for each function and incorrect solutions and common errors to be avoided are pointed out Obviously this document cannot embrace every hardware solution or every product that can be designe...

Page 14: ...nical Support Center TTSC Our aim is to make this guide as helpful as possible Keep us informed of your comments and suggestions for improvements Telit appreciates feedback from the users about the in...

Page 15: ...Document Number Ref 1 LE9x0 AT Command User Guide 80407ST10116A Ref 2 Telit EVB HW User Guide 1VV0301249 Ref 3 LE910Cx Interface Board HW User Guide 1VV0301323 Ref 4 LE910 LE920 Digital Voice Interfac...

Page 16: ...tion satellite system GNSS Global navigation satellite system GPIO General purpose input output GPRS General packet radio services GPS Global positioning system GSM Global system for mobile communicat...

Page 17: ...d for telematics products offering GNSS and mobile communication features to an external host CPU through its rich interfaces LE910Cx is available in hardware variants as listed in Table 1 Applicabili...

Page 18: ...variants 10 5Mbps DL UL o Carrier aggregation is not supported o GSM GPRS EDGE o WCDMA up to DC HSPA Rel 9 Support for European eCall US E911 and ERA Glonass Support for SIM profile switching Regiona...

Page 19: ...EE1588 PTP Precision Time Protocol USB2 0 USB port is typically used for o Flashing of firmware and module configuration o Production testing o Accessing the Application Processor s file system o AT c...

Page 20: ...lified by Telit for satisfying the environment and quality requirements Single supply module The module generates all its internal supply voltages RTC No dedicated RTC supply RTC is supplied by VBATT...

Page 21: ...functions are contained in a single SOC RF front end including antenna diagnosis circuitry Analog Audio codec for attaching external speaker amplifier and microphone Rich IO interfaces Depending on w...

Page 22: ...ity within this range as well However there may possibly be some performance deviations in this extended range relative to 3GPP requirements which means that some RF parameters may deviate from the 3G...

Page 23: ...Bands The operating frequencies in GSM850 EGSM900 DCS1800 PCS1900 WCDMA LTE modes conform to the 3GPP specifications 2 6 1 RF Bands per Regional Variant Table 3 summarizes all region variants within t...

Page 24: ...3 8 128 251 45 MHz EGSM 900 890 915 935 960 0 124 45 MHz 880 890 925 935 975 1023 45 MHz WCDMA 2100 B1 1920 1980 2110 2170 Tx 9612 9888 Rx 10562 10838 190 MHz WCDMA 1900 B2 1850 1910 1930 1990 Tx 9262...

Page 25: ...9 80 MHz LTE 1800 B3 1710 1785 1805 1880 Tx 19200 19949 Rx 1200 1949 95 MHz LTE AWS B4 1710 1755 2110 2155 Tx 19950 20399 Rx 1950 2399 400 MHz LTE 850 B5 824 849 869 894 Tx 20400 20649 Rx 2400 2649 45...

Page 26: ...1510 9 Tx 24450 24599 Rx 6450 6599 48 MHz LTE 1900 B25 1930 1995 1850 1915 Tx 26040 26689 Rx 8040 8689 80 MHz LTE 850 B26 814 849 859 894 Tx 26690 27039 Rx 8690 9039 45 MHz LTE 700 B28 703 748 758 80...

Page 27: ...Rights Reserved Telit Confidential Information provided under NDA Page 27 of 117 2 8 LE910Cx Mechanical Specifications 2 8 1 Dimensions The LE910Cx module s overall dimensions are Length 28 2 mm 0 15...

Page 28: ...se for the internal USB transceiver Power 2 5V 5 5V A14 USB_ID AI USB ID See note below Asynchronous UART N15 C103 TXD I Serial data input TXD from DTE 1 8V M15 C104 RXD O Serial data output to DTE 1...

Page 29: ...RX_AUX 1 8V D15 SPI_MOSI TX_AUX O SPI data Master Output Slave input TX_AUX 1 8V H14 SPI_CS GPIO11 O SPI Chip select output GPIO11 1 8V See note below SD MMC Card Digital I O J12 SD MMC_CMD O SD Comma...

Page 30: ...3 WiFi_SD_DATA3 I O Wi Fi SD Serial Data 3 1 8V L12 WiFi_SDRST O Wi Fi Reset Power enable control 1 8V Active Low M11 WLAN_SLEEP_CLK O Wi Fi Sleep clock output 1 8V M10 RFCLK2_QCA O Wi Fi low noise RF...

Page 31: ...DVI B9 DVI_WAO O Digital Voice interface WAO master output 1 8V B6 DVI_RX I Digital Voice interface Rx 1 8V B7 DVI_TX O Digital Voice interface Tx 1 8V B8 DVI_CLK O Digital Voice interface CLK master...

Page 32: ...koning 1 8V Miscellaneous Functions R12 ON_OFF_N I Power ON Power OFF input Active low R13 HW_SHUTDOWN_N I Unconditional Shutdown input Active low R11 VAUX PWRMON O Supply output for external accessor...

Page 33: ...Data 1 8V Internally PU 2 2k to 1 8V Power Supply M1 VBATT Main Power Supply Digital Section Power M2 VBATT Main Power Supply Digital Section Power N1 VBATT_PA Main Power Supply RF Section Power N2 VB...

Page 34: ...nformation provided under NDA Page 34 of 117 H2 GND Ground H7 GND Ground H8 GND Ground H9 GND Ground J1 GND Ground J2 GND Ground J7 GND Ground J8 GND Ground J9 GND Ground K2 GND Ground L1 GND Ground L...

Page 35: ...GND Ground P10 GND Ground P13 GND Ground R2 GND Ground R3 GND Ground R5 GND Ground R6 GND Ground R8 GND Ground R10 GND Ground Reserved A8 Reserved Reserved A9 Reserved Reserved A10 Reserved Reserved B...

Page 36: ...0 Reserved Reserved D11 Reserved Reserved D12 Reserved Reserved D13 Reserved Reserved D14 Reserved Reserved E3 Reserved Reserved E13 Reserved Reserved F3 Reserved Reserved F14 Reserved Reserved G3 Res...

Page 37: ...Information provided under NDA Page 37 of 117 M5 Reserved Reserved M6 Reserved Reserved M7 Reserved Reserved N7 Reserved Reserved N8 Reserved Reserved N10 Reserved Reserved N11 Reserved Reserved N12 R...

Page 38: ...during the boot NOTE When the UART signals are used as the communication port between the Host and the Modem RTS must be connected to GND on the module side if flow control is not used If the UART por...

Page 39: ...J8 J9 K2 L1 L2 M3 M4 M12 N3 N4 N5 N6 P3 P4 P5 P6 P8 P9 P10 P13 R2 R3 R5 R6 R8 R10 GND R12 ON OFF Main power on off signal R13 HW_SHUTDOWN_N Emergency power off B15 USB_D If not used connect to a Test...

Page 40: ...munications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 40 of 117 PAD Signal Notes R9 ANT_GPS GPS antenna C4 C5 C6 C7 D3 E3 G3 K4 L4 P11 Reserved Connect to a Test...

Page 41: ...II_TX_P RES GND GND GND 6 SIMCLK DVI_RX RES SGMII_TX_M RES GND GND GND 7 SIMRST DVI_TX RES ADC_IN3 GND GND GND RES RES RES GPS_LNA_EN 8 RES DVI_CLK GPIO_01 RES GND GND GND WCI_TXD_TGPIO24 RES GND GND...

Page 42: ...mpatible to the previous xE910 in terms of Mechanical dimensions Package and pin map To support the extra features and additional interfaces the LE910Cx introduces more pins compared to the xE910 The...

Page 43: ...um Ratings Not Operational Symbol Parameter Min Max Unit VBATT Battery supply voltage on pin VBATT 0 5 6 0 V VBATT TRANSIENT Transient voltage on pin VBATT 10 ms 0 5 7 0 V VBATT_PA Battery supply volt...

Page 44: ...hroughout all drive strengths and the entire temperature ranges NOTE Do not connect LE910Cx s digital logic signal directly to OEM s digital logic signal with a level higher than 2 7V for 1 8V CMOS si...

Page 45: ...0K to 50K 4 3 3 1 8V SD Card Pads Table 11 Operating Range SD Card Pads Working at 1 8V Pad Parameter Min Max Unit Comment VIH Input high level 1 27V 2V V VIL Input low level 0 3V 0 58V V VOH Output h...

Page 46: ...istance 10 100 k Ci Input capacitance 5 pF 4 3 5 Dual Voltage Pads Absolute Maximum Ratings Table 13 Absolute Maximum Ratings Not Functional Parameter Min Max Input level on any digital pin when on 0...

Page 47: ...10 100 k Ci Input capacitance 5 pF 4 3 7 SIM Card Pads 2 95V Table 15 Operating Range For SIM Pads Operating at 2 95V Pad Parameter Min Max Unit Comment VIH Input high level 2 1V 3 1V V VIL Input low...

Page 48: ...circuit to power on the module using an inverted buffer output Figure 4 Power on Circuit NOTE Recommended values R2 47k R1 10k 5 2 Initialization and Activation State After turning on the LE910Cx modu...

Page 49: ...e When PWRMON goes high this indicates that the initialization of all I O pads is completed NOTE Do not use any pull up resistor on the ON OFF line as it is internally pulled up Using a pull up resist...

Page 50: ...tor the PWRMON hardware line When PWRMON goes low this indicates that the device has powered off NOTE To avoid a back powering effect it is recommended to avoid having any HIGH logic level signal appl...

Page 51: ...econds and then released Use the same circuitry and timing for power on When the hold time of ON OFF is above 2 5 seconds LE910Cx goes into the Finalization state and in the end shuts down PWRMON The...

Page 52: ...m power down timing for using HW_SHUTDOWN_N is shown below Figure 9 Power down timing using HW_SHUTDOWN_N NOTE Recommended values R2 47k R1 10k NOTE Do not use any pull up resistor on the HW_SHUTDOWN_...

Page 53: ...The LE910Cx power requirements are as follows Table 16 Power Supply Requirements Nominal supply voltage 3 8V Supply voltage range 3 4V 4 2V Max ripple on module input supply 30mV Table 17 provides typ...

Page 54: ...dBm With FTP TpT session LTE to USB 10Mbps DL 5Mbps UL Test case BAND 1 Channel 300 4 Operative Mode WCDMA WCDMA Voice 200mA WCDMA voice call Tx 10 dBm WCDMA HSDPA 0 dBm 150mA WCDMA data call Cat 14 T...

Page 55: ...upply Design embrace three different design steps Electrical design Thermal design PCB layout 6 2 1 Electrical Design Guidelines The electrical design of the power supply depends strongly on the power...

Page 56: ...are User Guide 1VV0301298 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA P...

Page 57: ...ansient response This allows the regulator to respond quickly to the current peaks absorption In any case the selection of the frequency and switching design is related to the application to be develo...

Page 58: ...Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 58 of 117 Figure 11 and Figure 12 show an example of switching regulator with 12V input Figure 11...

Page 59: ...ry types directly connected to the LE910Cx module Their use can lead to overvoltage on the LE910Cx and damage it Use only Li Ion battery types A bypass low ESR capacitor of adequate capacity must be p...

Page 60: ...of LTE HSPA GPRS plus average consumption in GPS Tracking mode Considering the very low current during Idle especially if the Power Saving function is enabled it is possible to consider from the ther...

Page 61: ...voltage drops on the power line at the current peaks frequency of 216 Hz that will reflect on all the components connected to that supply also introducing the noise floor at the burst base frequency F...

Page 62: ...ands provided by the network operator and also supported by the car OEM while using the Telit module The bands supported by each variant of the LE910Cx module family are provided in Section 2 6 1 RF B...

Page 63: ...since the antenna line loss should be less than around 0 3 dB Line geometry should have uniform characteristics constant cross sections and avoid meanders and abrupt curves Any suitable geometry struc...

Page 64: ...unction is called Antenna Diversity Table 20 Antenna Diversity Requirements Frequency range The customer must use the most suitable antenna band width for covering the frequency bands provided by the...

Page 65: ...mer s GPS application to prevent damage to the LE910Cx module due to unwanted DC voltage 7 5 1 Combined GNSS Antenna The use of a combined RF GNSS antenna is NOT recommended This solution can generate...

Page 66: ...st have uniform characteristics constant cross section avoiding meanders and abrupt curves Keep one layer of the PCB used only for the Ground plane if possible Surround on the sides over and under the...

Page 67: ...tallation Guidelines The LE910Cx due to its sensitivity characteristics is capable of performing a fix inside buildings In any case the sensitivity could be affected by the building characteristics i...

Page 68: ...es of the LE910Cx module Table 22 LE910Cx Hardware Interfaces Interface LE910Cx SGMII For Ethernet support HSIC x1 SD MMC x1 dual voltage interface for supporting SD MMC card SDIO For WIFI support 1 8...

Page 69: ...hms differential Table 23 lists the USB interface signals Table 23 USB Interface Signals Signal Pad No Usage USB_VBUS A13 Power and cable detection for the internal USB transceiver Acceptable input vo...

Page 70: ...ocument 8 3 SGMII Interface optional The SOC optionally includes an integrated Ethernet MAC with an SGMII interface having the following key features The SGMII interface can be used connect to an exte...

Page 71: ...PORT 1 Main MODEM SERIAL PORT 2 Auxiliary Several configurations can be designed for the serial port on the OEM hardware The most common are RS232 PC com port Microcontroller UART 1 8V Universal Async...

Page 72: ...the LE910Cx UART 3 TXD RX_UART N15 Receive line see Note Input receive line of the LE910Cx UART 4 DTR DTR_UART M14 Data Terminal Ready Input to LE910Cx that controls the DTE READY condition 5 GND A2 B...

Page 73: ...order not to prevent the UART and the entire module from entering low power mode DTR can be left floating if not used 8 4 2 Modem Serial Port 2 Serial Port 2 on the LE910Cx is a 1 8V UART with RX and...

Page 74: ...e the levels and invert the signal is by using a single chip level translator There are a multitude of them differing in the number of drivers and receivers and in the levels be sure to get a true RS2...

Page 75: ...ided under NDA Page 75 of 117 NOTE In this case the length of the lines on the application must be taken into account to avoid problems in the case of High speed rates on RS232 The RS232 serial port l...

Page 76: ...I supports the following Master Mode only 1 8V CMOS level Up to 50 MHz clock rate NOTE SPI is supported only on the Linux side The LE910Cx module supports Master mode only and cannot be configured as...

Page 77: ...Master Mode only NOTE SW emulated I2C on GPIO lines is supported only from the Modem side For more information refer to the LE910Cx AT SW manual for command settings NOTE For keeping backward compatib...

Page 78: ...rial Data 0 1 8 2 95V G12 SD MMC_DATA1 I O SD Serial Data 1 1 8 2 95V K12 SD MMC_DATA2 I O SD Serial Data 2 1 8 2 95V H12 SD MMC_DATA3 I O SD Serial Data 3 1 8 2 95V G13 SD MMC_CD I SD card detect inp...

Page 79: ...erface with a WiFi chipset Qualcomm QCA6574 chipset or other WiFi solutions The LE910Cx module includes an integrated SW driver for supporting the Qualcomm QCA6574 chipset The LE910Cx SDIO port suppor...

Page 80: ...ut written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 80 of 117 NOTE It is recommended that WiFi_SDRST be equipped with a pu...

Page 81: ...terface RX B PD 1 8V PCM_DIN B7 DVI_TX O Digital Audio Interface TX B PD 1 8V PCM_DOUT B8 DVI_CLK O Digital Audio Interface CLK B PD 1 8V PCM_CLK B12 REF_CLK O Audio Master Clock B PD 1 8V I2S_MCLK LE...

Page 82: ...5 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 82 of 117 8 6 1 1 Short Frame...

Page 83: ...301298 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 83 of 117 Table...

Page 84: ...5 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 84 of 117 8 6 1 2 Long Frame...

Page 85: ...1298 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 85 of 117 Table 3...

Page 86: ...nate function pad is internally controlled by LE910Cx firmware and acts depending on the implemented function The following GPIOs are always available as a primary function on the LE910Cx Table 33 Pri...

Page 87: ...1 8V 2 16 mA L13 GPIO_19 I O WIFI_SDIO_CLK Configurable GPIO CMOS 1 8V 2 16 mA M8 GPIO_24 I O WCI_TXD Configurable GPIO CMOS 1 8V 2 16 mA M9 GPIO_25 I O WCI_RXD Configurable GPIO CMOS 1 8V 2 16 mA R14...

Page 88: ...he pad has interface levels different from the 1 8V CMOS It can be buffered with an open collector transistor with a 47 k pull up resistor to 1 8V 8 7 2 Using a GPIO Pad as an interrupt Wakeup source...

Page 89: ...98 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 89 of 117 Figure 19...

Page 90: ...910Cx modules the STAT_LED usually needs an external transistor to drive an external LED The STAT_LED does not have a dedicated pin The STAT_LED functionality is available on GPIO_01 pin by default GP...

Page 91: ...ailable on GPIO_08 pin by default GPIO_08 functions as SW_RDY 9 3 RTC Real Time Clock The RTC within the LE910Cx module does not have a dedicated RTC supply pin The RTC block is supplied by the VBATT...

Page 92: ...able 36 shows the ADC characteristics Table 36 ADC Parameters Min Max Units Input voltage range 0 1 1 7 Volt AD conversion 8 bits Resolution 6 6 mV 9 5 2 Using the ADC Converter An AT command is avail...

Page 93: ...tics and expected performance The values are related to typical environment and conditions Table 37 GNSS Characteristics Parameters Typical Measurement Notes Sensitivity Standalone or MS Based Trackin...

Page 94: ...ovided under NDA Page 94 of 117 10 Mounting the Module on your Board 10 1 General The LE910Cx module was designed to be compliant with a standard lead free SMT process 10 2 Finishing Dimensions Figure...

Page 95: ...Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 95 of 117 Figure 22 L...

Page 96: ...Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 96 of 117 Figure 23 L...

Page 97: ...mensions are in mm To facilitate replacing the LE910Cx module if necessary it is suggested to design the application with a 1 5 mm placement inhibit area around the module It is also suggested as a co...

Page 98: ...erved Telit Confidential Information provided under NDA Page 98 of 117 10 4 Stencil Stencil s apertures layout can be the same as the recommended footprint 1 1 The suggested thickness of stencil foil...

Page 99: ...mm unless it carries the same signal as the pad itself Micro via inside the pads are allowed Holes in pad are allowed only for blind holes and not for through holes Table 38 Recommendations for PCB P...

Page 100: ...unications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 100 of 117 10 7 Solder Paste We recommend using only no clean solder paste to avoid the cleaning of the modu...

Page 101: ...C second max Preheat Temperature min Tsmin Temperature max Tsmax Time min to max ts 150 C 200 C 60 180 seconds Tsmax to TL Ramp up rate 3 C second max Time maintained above Temperature TL Time tL 217...

Page 102: ...we strongly recommend to add several test pads on the host PCB for the following purposes Checking the connection between the LE910Cx itself and the application Testing the performance of the module b...

Page 103: ...ous applications Customers must pay special attention to this issue when they design their application board The length and width of the power lines must be considered carefully and the capacitance of...

Page 104: ...n particular how the application side should be designed and what values the components should have Figure 28 SIM Schematics NOTE The resistor value on SIMIO pulled up to SIMVCC must be defined to be...

Page 105: ...Recommendations All LE910Cx signals are provided with some EMC protection Nevertheless the accepted level differs according to the specific pin Table 41 lists the characteristics Table 41 EMC Recommen...

Page 106: ...B port in the host system to debug or upgrade the LE910Cx when it is mounted UART interface only Users who use a UART interface only to communicate with the LE910Cx module must arrange for a UART port...

Page 107: ...it Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 107 of 117 12 Packing System 12 1 Packing system Tray The LE910Cx modules are packaged on trays of 36...

Page 108: ...de 1VV0301298 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 108 of 1...

Page 109: ...y Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 109 of 117 12 2 Tape Reel The LE910Cx can be packaged on reels of 200 pieces each See figure for...

Page 110: ...de 1VV0301298 Rev 1 05 2017 06 18 Reproduction forbidden without written authorization by Telit Communications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 110 of 1...

Page 111: ...nications S p A All Rights Reserved Telit Confidential Information provided under NDA Page 111 of 117 Figure 34 Reel Box Detail 12 3 Moisture Sensitivity The LE910Cx module is a Moisture Sensitive Dev...

Page 112: ...the product itself The same caution must be taken for the SIM checking carefully the instructions for its use Do not insert or remove the SIM when the product is in power saving mode The system integ...

Page 113: ...eration of the device Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appa...

Page 114: ...ere is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning...

Page 115: ...pos e sur l appareil h te un endroit bien en vue en tout temps En l absence d tiquette l appareil h te doit porter une tiquette donnant le FCC ID et le IC du module pr c d des mots Contient un module...

Page 116: ...ote related to future compatibility related to few pins Updated section 3 2 Signals That Must Be Connected Updated pinout and pin description Updated pinout layout Figure 2 Remove HW RESET description...

Page 117: ...4 03 Section 14 1 updated column Band to Frequency Band in Wireless notice table Section 8 4 1 Added note regarding DTR 1 03 2017 04 23 Section 11 4 Updated ESD values Updated Reference document table...

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