User's Manual
Table Of Contents
- Preface
- Contents
- 1 System description
- 1.1 Overview
- 1.2 Architecture
- 1.3 Pin-out
- 1.4 Operating modes
- 1.5 Supply interfaces
- 1.6 System function interfaces
- 1.7 Antenna interface
- 1.8 SIM interface
- 1.9 Serial interfaces
- 1.9.1 Asynchronous serial interface (UART)
- 1.9.1.1 UART features
- 1.9.1.2 UART AT interface configuration
- 1.9.1.3 UART signal behavior
- 1.9.1.4 UART and power-saving
- AT+UPSV=0: power saving disabled, fixed active-mode
- AT+UPSV=1: power saving enabled, cyclic idle/active-mode
- AT+UPSV=2: power saving enabled and controlled by the RTS line
- AT+UPSV=3: power saving enabled and controlled by the DTR line
- Wake up via data reception
- Additional considerations for SARA-U2 modules
- 1.9.1.5 Multiplexer protocol (3GPP 27.010)
- 1.9.2 Auxiliary asynchronous serial interface (UART AUX)
- 1.9.3 USB interface
- 1.9.4 DDC (I2C) interface
- 1.9.1 Asynchronous serial interface (UART)
- 1.10 Audio interface
- 1.11 General Purpose Input/Output (GPIO)
- 1.12 Reserved pins (RSVD)
- 1.13 System features
- 1.13.1 Network indication
- 1.13.2 Antenna detection
- 1.13.3 Jamming detection
- 1.13.4 TCP/IP and UDP/IP
- 1.13.5 FTP
- 1.13.6 HTTP
- 1.13.7 SMTP
- 1.13.8 SSL
- 1.13.9 Dual stack IPv4/IPv6
- 1.13.10 Smart temperature management
- 1.13.11 AssistNow clients and GNSS integration
- 1.13.12 Hybrid positioning and CellLocate®
- 1.13.13 Firmware upgrade Over AT (FOAT)
- 1.13.14 Firmware upgrade Over The Air (FOTA)
- 1.13.15 In-Band modem (eCall / ERA-GLONASS)
- 1.13.16 SIM Access Profile (SAP)
- 1.13.17 Power saving
- 2 Design-in
- 2.1 Overview
- 2.2 Supply interfaces
- 2.2.1 Module supply (VCC)
- 2.2.1.1 General guidelines for VCC supply circuit selection and design
- 2.2.1.2 Guidelines for VCC supply circuit design using a switching regulator
- 2.2.1.3 Guidelines for VCC supply circuit design using a Low Drop-Out (LDO) linear regulator
- 2.2.1.4 Guidelines for VCC supply circuit design using a rechargeable Li-Ion or Li-Pol battery
- 2.2.1.5 Guidelines for VCC supply circuit design using a primary (disposable) battery
- 2.2.1.6 Additional guidelines for VCC supply circuit design
- 2.2.1.7 Guidelines for external battery charging circuit
- 2.2.1.8 Guidelines for external battery charging and power path management circuit
- 2.2.1.9 Guidelines for VCC supply layout design
- 2.2.1.10 Guidelines for grounding layout design
- 2.2.2 RTC supply (V_BCKP)
- 2.2.3 Interface supply (V_INT)
- 2.2.1 Module supply (VCC)
- 2.3 System functions interfaces
- 2.4 Antenna interface
- 2.5 SIM interface
- 2.6 Serial interfaces
- 2.6.1 Asynchronous serial interface (UART)
- 2.6.1.1 Guidelines for UART circuit design
- Providing the full RS-232 functionality (using the complete V.24 link)
- Providing the TXD, RXD, RTS, CTS and DTR lines only (not using the complete V.24 link)
- Providing the TXD, RXD, RTS and CTS lines only (not using the complete V.24 link)
- Providing the TXD and RXD lines only (not using the complete V24 link)
- Additional considerations
- 2.6.1.2 Guidelines for UART layout design
- 2.6.1.1 Guidelines for UART circuit design
- 2.6.2 Auxiliary asynchronous serial interface (UART AUX)
- 2.6.3 Universal Serial Bus (USB)
- 2.6.4 DDC (I2C) interface
- 2.6.1 Asynchronous serial interface (UART)
- 2.7 Audio interface
- 2.7.1 Analog audio interface
- 2.7.1.1 Guidelines for microphone and speaker connection circuit design (headset / handset modes)
- 2.7.1.2 Guidelines for microphone and loudspeaker connection circuit design (hands-free mode)
- 2.7.1.3 Guidelines for external analog audio device connection circuit design
- 2.7.1.4 Guidelines for analog audio layout design
- 2.7.2 Digital audio interface
- 2.7.1 Analog audio interface
- 2.8 General Purpose Input/Output (GPIO)
- 2.9 Reserved pins (RSVD)
- 2.10 Module placement
- 2.11 Module footprint and paste mask
- 2.12 Thermal guidelines
- 2.13 ESD guidelines
- 2.14 SARA-G350 ATEX and SARA-U270 ATEX integration in explosive atmospheres applications
- 2.15 Schematic for SARA-G3 and SARA-U2 series module integration
- 2.16 Design-in checklist
- 3 Handling and soldering
- 4 Approvals
- 5 Product testing
- Appendix
- A Migration between LISA and SARA-G3 modules
- A.1 Overview
- A.2 Checklist for migration
- A.3 Software migration
- A.4 Hardware migration
- B Migration between SARA-G3 and SARA-U2
- C Glossary
- Related documents
- Revision history
- Contact
SARA-G3 and SARA-U2 series - System Integration Manual
Pin Name N° SARA-G3 series N° LISA-C2 series LISA-U1 series LISA-U2 series
SIM
SIM_CLK 38 1.8V / 3V SIM clock 47 1.8V / 3V SIM clock
(upcoming FW releases)
1.8V / 3V SIM clock 1.8V / 3V SIM clock
SIM_IO 39 1.8V / 3V SIM data
Internal 4.7k pull-up
48 1.8V / 3V SIM data
(upcoming FW releases)
Internal 10k pull-up
1.8V / 3V SIM data
Internal 4.7k pull-up
1.8V / 3V SIM data
Internal 4.7k pull-up
SIM_RST 40 1.8V / 3V SIM reset 49 1.8V / 3V SIM reset
(upcoming FW releases)
1.8V / 3V SIM reset 1.8V / 3V SIM reset
VSIM 41 1.8V / 3V SIM supply 50 1.8V / 3V SIM supply
(upcoming FW releases)
1.8V / 3V SIM supply 1.8V / 3V SIM supply
SIM_DET 42 1.8 V, SIM detect input
Inner pull-down: 103 µA
Not Available Provided by GPIO5:
1.8 V, SIM detect input
Inner pull-down: 55 µA
Provided by GPIO5:
1.8 V, SIM detect input
Inner pull-down: 200 µA
UART
DSR 6 1.8 V, DSR output
Driver strength: 6 mA
9 Not Available 1.8 V, DSR output
Driver strength: 4 mA
1.8 V, DSR output
Driver strength: 1 mA
RI 7 1.8 V, RI output
Driver strength: 6 mA
10 1.8 V, RI output
Driver strength: 6 mA
1.8 V, RI output
Driver strength: 4 mA
1.8 V, RI output
Driver strength: 2 mA
DCD 8 1.8 V, DCD output
Driver strength: 6 mA
11 Not Available 1.8 V, DCD output
Driver strength: 4 mA
1.8 V, DCD output
Driver strength: 2 mA
DTR 9 1.8 V, DTR input
Internal pull-up: -55 µA
12 Not Available 1.8 V, DTR input
Internal pull-up: -110 µA
1.8 V, DTR input
Internal pull-up: -125 µA
RTS 10 1.8 V, Flow ctrl input
Internal pull-up: -31 µA
13 1.8 V, Flow ctrl input
Internal pull-up: -30 µA
1.8 V, Flow ctrl input
Internal pull-up: -60 µA
1.8 V, Flow ctrl input
Internal pull-up: -240 µA
CTS 11 1.8 V, Flow ctrl output
Driver strength: 6 mA
14 1.8 V, Flow ctrl output
Driver strength: 4 mA
1.8 V, Flow ctrl output
Driver strength: 4 mA
1.8 V, Flow ctrl output
Driver strength: 6 mA
TXD 12 1.8 V, Data input
Internal pull-up: -102 µA
15 1.8 V, Data input
Internal pull-up: -30 µA
1.8 V, Data input
Internal pull-up: -60 µA
1.8 V, Data input
Internal pull-up: -240 µA
RXD 13 1.8 V, Data output
Driver strength: 5 mA
16 1.8 V, Data output
Driver strength: 4 mA
1.8 V, Data output
Driver strength: 4 mA
1.8 V, Data output
Driver strength: 6 mA
UART AUX
TXD_AUX 29 1.8 V, Data input
Internal pull-up: -102 µA
Not Available Not Available Not Available
RXD_AUX 28 1.8 V, Data output
Driver strength: 5 mA
Not Available Not Available Not Available
USB
VUSB_DET Not Available 18 5 V, Supply detection 5 V, Supply detection 5 V, Supply detection
USB_D- Not Available 26 Full-Speed USB 2.0 High-Speed USB 2.0 High-Speed USB 2.0
USB_D+ Not Available 27 Full-Speed USB 2.0 High-Speed USB 2.0 High-Speed USB 2.0
SPI
SPI_SCLK Not Available 55 Not Available 1.8 V, Clock input
Inner pull-down: 100 µA
1.8 V, Clock input
Inner pull-down: 200 µA
SPI_MOSI Not Available 56 Not Available 1.8 V, Data input
Internal pull-up: -220 µA
1.8 V, Data input
Internal pull-up: -240 µA
SPI_MISO Not Available 57 Not Available 1.8 V, Data output
Driver strength: 2.5 mA
1.8 V, Data output
Driver strength: 6 mA
SPI_SRDY Not Available 58 Not Available 1.8 V, Flow ctrl output
Driver strength: 4 mA
1.8 V, Flow ctrl output
Driver strength: 6 mA
SPI_MRDY Not Available 59 Not Available 1.8 V, Flow ctrl input
Inner pull-down: 55 µA
1.8 V, Flow ctrl input
Inner pull-down: 200 µA
DDC (I
2
C)
SCL 27 SARA-G340/SARA-G350:
1.8 V, open drain
Driver strength: 3 mA
45 1.8 V, open drain
(upcoming FW releases)
1.8 V, open drain
Driver strength: 1 mA
1.8 V, open drain
Driver strength: 1 mA
LISA-U200-00S: N.A.
SDA 26 SARA-G340/SARA-G350:
1.8 V, open drain
Driver strength: 3 mA
46 1.8 V, open drain
(upcoming FW releases)
1.8 V, open drain
Driver strength: 1 mA
1.8 V, open drain
Driver strength: 1 mA
LISA-U200-00S: N.A.
UBX-13000995 - R12 Early Production Information Appendix
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