Gpio Interface; Pin Description - SimCom SIM5215 Hardware Design

3.10 GPIO Interface

SIM5215&SIM5216 provides a limited number of GPIO pins. All GPIOs can be configured as inputs or
outputs. User can use AT Commands to read or write GPIOs status. Refer to ATC document for details.

3.10.1 Pin Description

Table 24: Electronic characteristic
Pin name
GPIO1
GPIO4
Note: If more GPIOs need to be used, users can configure GPIO on other multiple function interfaces, such as PCM.
Please refer to GPIO list.
Table 25: Pin description
Pin name
GPIO1
SIM5215&SIM5216_Hardware Design_V2.02
Figure 31: SDIO interface circuit
Min
2.5
2.5
Pin No. I/O Function
65 O Output PIN as LED control for network status. If it is
Smart Machine Smart Decision
2.6V mode
Typ
2.6
2.6
44
Max
2.7
2.7
2012-08-31