RoyalTek REB-1315LPNX - Manual (Page 15)

RoyalTek Confidential 15
REB-1315LPNX Operational Manual
V_RTC_3V3 (Backup battery)
This is the battery backup input that powers the SRAM and RTC when main power is
removed. Typical current draw is 10uA.
The supply voltage should be between 2.5V and 3.6V.
ON_OFF
Edge triggered soft on/off request. Should only be used to wake up chip.
GPIO Functions
Several I/Os are connected to the digital interface connector for custom applications.