User Guide

CCS Technical Documentation System Module and User Interface
NEM-2
Issue 1 07/03 Copyright Nokia. All rights reserved.. Page 39
Figure 7: Audio Player Supply Voltage Distribution Diagram
A
udioPlayerVMMC
AudioPlayerVAPA
A
udioPlayerVAudio
AudioPlayerVDD
AudioPlayerVCore
VBAT
DSP DA250
Codec AIC23passive
LC- filter
A
VDD
A
DVDD
SMPS
(1.3/ 1.5V)
LDO
(3.3V)
DVDD
A
VDD
passive
RC- filter
Audio Amp
VCC
MMC
VCC
LDO
(3.3V)
passive
LC- filter
HPVDD
passive
RC- filter
Flash
VCC
MMCPwrEn
AudioPlayerPwrEn
ShutDown
APAShutDown
VCCQ
RCVDD
RDVDD
USBVDD
DVDD
CVDD
RVDD
VPP
BVDD
TOUT0
GPIO2
clock
Vout
460kHz
Vout selection
control
power
n. c.
n. c.