User Guide

Issue 1 12/04 COMPANY CONFIDENTIAL 19
Copyright © 2004 Nokia. All Rights Reserved.
RAE-6/RA-4
6 - Baseband Description and Troubleshooting Nokia Customer Care
Energy Management
Energy Management covers both CMT and APE sides. Battery and charging functions are in-
tegrated into CMT Universal Energy Management (UEMEK) ASIC. UEMEK includes also all
needed regulators for CMT BB and RF. APE side has its own discrete power supplies.
Figure 5:Power distribution diagram
StUF
CORE
I/O
UEMEK
VR1..7
VSIM
VANA
VFLASH1
VAUX2
VCORE
VIO
BATTERY
BT
CORE
I/O
RF
PA
Various
SIM
CMT FLASH
VCC
I/O
OMAP1510
I/O (2.8V) USB
I/O (1.8V)
CORE
NAND FLASH
CORE+I/O
SDRAM
I/O
CORE
MMC
AUDIO
DAC
AUDIO PA
LP2985-1.8
1.8V
1.57V SMPS
LP2985-3.3
3.3V
7
LP3985-3.0
3.0V
LP3981-2.8
2.8V
PopPort
Vout
LM3820
VMMC
V18
V15
V28
Vbus
V3
3
Measurement resistor
GPIO15
GPIO3
TK11851L
S80
VDDI
VDD
Backlight
CMT display
keypad
VDDI
VDD
Backlight
QWERTY
I/O + CORE
Battery line
Power line
Control signal
Measurement signal
Dlight
Klight
Switch
CallLED1
Switch
LM2708-1.57