Globalstar ST150 - Page 28

9150-0125-01 R-4
ST150M User Manual
Confidential & Proprietary Information
28
Pin Function Description Recommended Usage
P1.04 Digital I/O GPIO
3.3V level, Standard drive, low
frequency I/O only
P1.07 Digital I/O GPIO
3.3V level, Standard drive, low
frequency I/O only
P1.01 Digital I/O GPIO
3.3V level, Standard drive, low
frequency I/O only
P0.24 Digital I/O GPIO 3.3V level
GND7 Power Ground –
P0.25 Digital I/O GPIO 3.3V level
P0.16 Digital I/O GPIO 3.3V level
P1.15 Digital I/O GPIO
3.3V level, Standard drive, low
frequency I/O only
P1.12 Digital I/O GPIO
3.3V level, Standard drive, low
frequency I/O only
P0.31/AIN7
Digital I/O /
Analog input
GPIO / Analog input
3.3V level, Standard drive, low
frequency I/O only
P0.05/AIN3
Digital I/O /
Analog input
GPIO / Analog input 3.3V level
GPS_RF_IN RF Single-ended GPS antenna connection –
GND4 Power Ground –
P0.04/AIN2
Digital I/O /
Analog input
GPIO / Analog input 3.3V level
GND3 Power Ground –
TX_OUT RF Single-ended ASIC antenna connection –
GND5 Power Ground –
P0.29/AIN5
Digital I/O /
Analog input
GPIO / Analog input
3.3V level, Standard drive, low
frequency I/O only
P0.30/AIN6
Digital I/O /
Analog input
GPIO / Analog input
3.3V level, Standard drive, low
frequency I/O only