Nokia 5140 Manuales De Servicio
Nokia Customer Care
System Module and User Interface
NPL-4/5
Issue 1 05/04
Copyright © 2004 Nokia Corporation. All rights reserved.
Page 65
Clock distribution
Figure 24: Clock Distribution Diagram
UPP
CTSI
UEM
VCTCXO
26MHz
HELGA
PLL
MCU
DSP
SLICER
VR3
26 MHz
26 MHz
32 kHz
SLEEPX
32 kHz
RFBUSCLK 13MHz
CBUSCLK 1MHz
DBUSCLK 13MHz
LCDCLK max. 6.5MHz
SIMCLK max. 3.25MHz