ONDA SOM/ONDA Evaluation Kit/Interfaces and Connectors/RTC
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Contents
RTC[edit | edit source]
JP22 is a 16-pin 8x2x2.54 pitch vertical header. The following table reports the RTC signal in the connector:
The following table reports the pinout of the connector:
| Pin# | Pin name | Function | Notes |
|---|---|---|---|
| 7, 8 | GND | - | - |
| 2 | RTC_32KHz | - | - |
| 4 | RTC_RST | - | - |
| 6 | RTC_INT/SQW | - | - |
RTC_VBAT signal is connected to a 0.1F supercap for a short period data retention (evaluation purposes):
