2. SYSTEM CONNECTOR INTERFACE

If the voltage drops below 1.0 V in back-up mode, the RTC will stop working. The following diagram shows the RTC connections.

Backup

+supply

VRTC

GM47

DGND

Figure 2.10 RTC connections

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LZT 123 7263 R1C

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Image 67
Sony Ericsson GM47, GM48 manual RTC connections