User guide

LEDS, CONNECTORS, AND SPECIFICATIONS
GPIO
GPIO Cable
GPIO Connector
Use Universal IP (UIP) AT Commands to configure GPIO pins. Refer to the Universal IP (UIP) AT Command
Reference Guide for more information.
Pin Number Description GPIO 6-pin Connector
Pin 1 DIO 0
Pin 2 DIO 1
Pin 3 DIO 2/ADC 0
Pin 4 DIO 3/ADC 1
Pin 5 ADC2
Pin 6 Gnd
You can program GPIO pins independently.
■ Pin 1 Digital Input, 24 Volt tolerant.
■ Pin 2 Digital Input, 24 Volt tolerant.
■ Configure Pin 3 as either Digital Input (5V tolerant TTL/CMOS levels), Digital Output (3.3V High) or as an ADC
input (0 to 3.3V rail)
MultiModem
®
iCell MTCMR User Guide 35