VSBC-6862
Rev 1.43
40
3.16. Real time clock battery, circuit U5
The VSBC-6862 provides a real time clock for calendar function. This device includes also a 32 kByte
SRAM with battery backed capability.
It also include an on-chip watchdog that can be used as board's Watchdog.
The battery used by this part is a Lithium type and is designed for user replacement.
Warning
For this operation, caution must be taken in order to avoid hardware damage
Please use the following instructions for the battery replacement:
1) Turn the main power supply off.
2) Remove the used battery located on the U5 position, refer to the next figure for assembly
details.
3) Plug the new battery pack into the U5 location, refer to the next figure for assembly details.
Figure 19: Real Time Clock battery
Replacement battery pack part reference:
ST Microelectronics part number: M4T28-BR12SH1
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Содержание VSBC-6862
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