Telit Wireless Solutions SL871, Product User Manual

Page: 5 / 89

SL871 Family Product User Guide
1VV0301170 Rev. 9
Page 5 of 89 2021-07-15
Not Subject to NDA
NMEA Output Messages 34
Standard Messages 34
Proprietary Output Messages 35
NMEA Input Commands 35
NMEA Commands List 36
8. FLASH UPGRADABLITY 37
9. ELECTRICAL INTERFACE 38
Pinout Diagrams and Tables 38
SL871 (Gen 2) and SL871L Pin-out Diagram and Table 38
SL871-S and SL871L-S Pin-out Diagram and Table 40
DC Power Supply 42
VCC 42
VBATT 42
VCC_RF 43
DC Power Requirements 43
DC Power Consumption - SL871 (Gen 2) 43
DC Power Consumption – SL871L 44
DC Power Consumption - SL871-S 44
DC Power Consumption - SL871L-S 45
Digital Interface Signals 45
I/O Signal Levels 45
9.3.1.1. Logic Levels - Inputs 45
9.3.1.2. Logic Levels - Outputs 46
Antenna Related Signals 46
9.3.2.1. VCC-RF (Active Antenna Supply Voltage) (SL871 and SL871-S only) .............. 46
9.3.2.2. ANT-ON (output) 47
9.3.2.3. ANT-OC (SL871 and SL871L only) 47
9.3.2.4. ANT-SC-N (SL871 and SL871L only) 47
Control (Input) Signals 47
9.3.3.1. RESET-N 47
9.3.3.2. FORCE-ON (SL871 and SL871L only). 48
Output Signals 48