COM Express® Type 7 + GPU Embedded System
Users Guide
www.connecttech.com
Document: CTIM-00020
Revision: 0.01
Page 24 of 30
Date: 2020-09-17
RTC Battery
The COM Express Type 7 + GPU Embedded System has one Jumpers for on-board controls.
J1 Jumper – RTC Battery
Function RTC Battery Enable/Clear
Location
J2
Pinout
Position Description
CLR
RTC Connected to GND
RTC
RTC Connected to RTC Battery
RTC Battery Connector
Function RTC Battery
Location
E1
Battery
CR2032
Mating
BHSD-2032-COVER
Connector
BHSD-2032-SM
RTC Battery
This carrier has a connector E1 providing 3.3V to VBAT, which is the supply for the RTC Clock of the COM
Express module.
For further information about RTC battery selection and life time estimation, see Application Note CTIN-
00009: https://connecttech.com/pdf/CTIN-00009.pdf