Download  Print this page

Real Time Clock (integrated In The Egold+) - Siemens C45 Repair Documentation

Hide thumbs

Advertisement

6.4 Real Time Clock (integrated in the EGOLD+)

The real time clock is powered via its own voltage regulator inside the ASIC (D361)
directly from the battery. The so gained voltage
VDD_RTC
is buffered by a capacitor
(C369) to keep the data (e.g. clock) in the internal RAM during a battery change for
at least 30 seconds.
An alarm function is also integrated which allows to switch the phone on and off.
via
RTC_INT
The reference oscillator for the RTC is (Z100)
V1.0
Page 35 of 46
ICM MP CCQ ST
C45, M50 AND MT50
Company Confidential © Copyright Siemens AG
05/02

Advertisement

Table of Contents

   Related Manuals for Siemens C45

This manual is also suitable for:

M50Mt50

Comments to this Manuals

Symbols: 0
Latest comments: