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 CellLocateTM
- 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 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
UBX-13000995 - R08 Objective Specification Appendix
Page 177 of 188
Pin Name
N°
SARA-G3 series
N°
LISA-C2 series
LISA-U1 series
LISA-U2 series
Audio
Analog
MIC_BIAS
46
SARA-G340/SARA-G350:
2.2 V supply output for
external microphone
Not Available
Not Available
Not Available
MIC_GND
47
SARA-G340/SARA-G350:
Local ground sense for
external microphone
Not Available
Not Available
Not Available
MIC_P
49
SARA-G340/SARA-G350:
Differential input (+)
No internal capacitor
for DC blocking
40
Differential input (+)
100 nF internal capacitor
for DC blocking
LISA-U120/U130 only:
Differential input (+)
100 nF internal capacitor
for DC blocking
Not Available
MIC_N
48
SARA-G340/SARA-G350:
Differential input (-)
No internal capacitor
for DC blocking
39
Differential input (-)
100 nF internal capacitor
for DC blocking
LISA-U120/U130 only:
Differential input (-)
100 nF internal capacitor
for DC blocking
Not Available
SPK_P
44
SARA-G340/SARA-G350:
Differential output (+)
16 ohm load capable
53
Differential output (+)
32 ohm load capable
LISA-U120/U130 only:
Differential output (+)
16 ohm load capable
Not Available
SPK_N
45
SARA-G340/SARA-G350:
Differential output (-)
16 ohm load capable
54
Differential output (-)
32 ohm load capable
LISA-U120/U130 only:
Differential output (-)
16 ohm load capable
Not Available
Digital
I2S_TXD
35
SARA-G340/SARA-G350:
1.8 V, Data Out
PCM / Normal I2S mode
Driver strength: 5 mA
42
PCM_DO:
1.8 V, PCM Data Out
LISA-U120/U130 only:
1.8 V, Data Out
PCM / Normal I2S mode
Driver strength: 2.5 mA
1.8 V, Data Out
PCM / Normal I2S mode
Driver strength: 2 mA
LISA-U200-00S: N.A.
I2S_RXD
37
SARA-G340/SARA-G350:
1.8 V, Data In
PCM / Normal I2S mode
Inner pull-down: 103 µA
44
PCM_DI:
1.8 V, PCM Data In
LISA-U120/U130 only:
1.8 V, Data In
PCM / Normal I2S mode
Inner pull-down: 100 µA
1.8 V, Data In
PCM / Normal I2S mode
Inner pull-down: 200 µA
LISA-U200-00S: N.A.
I2S_WA
34
SARA-G340/SARA-G350:
1.8 V, Word align. Out
Fixed frequency
Driver strength: 6 mA
41
PCM_SYNC:
1.8 V, PCM Sync Out
LISA-U120/U130 only:
1.8 V, Word align. In/Out
Configurable frequency
Inner pull-down: 100 µA
Driver strength: 2.5 mA
1.8 V, Word align. In/Out
Configurable frequency
Inner pull-down: 200 µA
Driver strength: 2 mA
LISA-U200-00S: N.A.
I2S_CLK
36
SARA-G340/SARA-G350:
1.8 V, Clock Out
Fixed frequency
Driver strength: 5 mA
43
PCM_CLK:
1.8 V, PCM Clock Out
LISA-U120/U130 only:
1.8 V, Clock In/Out
Configurable frequency
Inner pull-down: 100 µA
Driver strength: 2.5 mA
1.8 V, Clock In/Out
Configurable frequency
Inner pull-down: 200 µA
Driver strength: 2 mA
LISA-U200-00S: N.A.
I2S1_WA
Not Available
54
Not Available
Not Available
1.8 V, Data Out
PCM / Normal I2S mode
Driver strength: 1 mA
LISA-U200-00S: N.A.
I2S1_TXD
Not Available
40
Not Available
Not Available
1.8 V, Data In
PCM / Normal I2S mode
Inner pull-down: 150 µA
LISA-U200-00S: N.A.
I2S1_CLK
Not Available
53
Not Available
Not Available
1.8 V, Word align. In/Out
Configurable frequency
Inner pull-down: 150 µA
Driver strength: 1 mA
LISA-U200-00S: N.A.
I2S1_RXD
Not Available
39
Not Available
Not Available
1.8 V, Clock In/Out
Configurable frequency
Inner pull-down: 150 µA
Driver strength: 1 mA
LISA-U200-00S: N.A.