User Guide

NPM-2NX
System Module CCS Technical Documentation
Page 8 ãNokia Corporation Issue 1 07/02
Engine Module WG8
Introduction
This section describes the baseband part of the NPM-2NX transceiver.
The BB architecture is similar to the earlier BB generation. The major difference is the
integration level. Core BB consists of 2 ASICs and flash memory.
BB core technical specification
The core part of NPM-2NX BB (figure below) consist of 2 ASICs, UEM and UPP, and flash
memory. Following sections describe these parts.
Figure 2: System Block Diagram
UEM
UEM introduction
UEM is the Universal Energy Management IC for digital handportable phones. In addition
CHARGER CONNECTION
EXTERNAL AUDIO
UEM
UPP
IR
EAR
MIC
BUZZER
V
IBRA
RF Supplies
BATTER
Y
PA supply
UI
CBUS/DBUS
BB Supplies
SLEEPCLOCK
32kHz
FLASH
MEMADDA
MEMCONT
SAFARI GTE
RFCLK
19.44 / 13 MHz
BASEBAND
System Connector
KLIGHT/ DLIGHT
PWR ON
AUDIO
PURX
RFIC CTRL
RF RX/TX
RF RX/TX
SIMCARD
SIM
I
F
MBUS AND FBUS