Block Diagram Of Baseband Blocks - Nokia NSE–3 SERIES Service Manual

NSE–3
System Module

Block Diagram of Baseband Blocks

CHARGER
CHAPS
N101
SO16
VBATT
BACK UP
BATTERY
G100
EEPROM
2k*8 / 8k*8
SIO
D230/240
SO8
FLASH
MCUDa 15...0
512k*16
1024k*16
D210
MCUAd 19...1
TSOP48
memory control
lines: CE,WE...
SRAM
MCUAd 16..0
64k*8
128k*8
MCUDa 7...0
D221
TSOP32
X100
XEAR
N250
XMIC
SYSTEM
CONNECTOR
Page 3 – 64
BB
REGULATORS REGULATORS
CCONT
CHR_CONTR
N100
A/D CONV.
SQFP64
32 kHz
MAD2
D200
MCU
ASIC
DSP
MBUS SQFP176
FBUS
IR
N400
Technical Documentation
RF
32 kHz
CRYSTAL
SIMCARD 3...0
UI BOARD
DISPLAY
X300
PwrOnX
GenSIO,LCDEn,CCONTCSX
BUZZER
KBLIGHTS
KEYBOARD
ROW 5...0
COL 4...0
PData0
TxP
Synthe Control
CobbaAd 3...0
CobbaDa 11...0
PCM 3...0
RFC
13 MHz / 1 Vpp
from VCXO (G600)
MICP
MICN
PAMS
SIM
READER
X302
RF
UNIT
N500
N620
N620
N620
TxIN,TxIP
TxQN,TxQP
RFI
N620
RxInN,RxInP
N620
AFC
N620
TxC
N620
RxC
COBBA
N250
CODEC
UI BOARD
EARP
EARN
SQFP64
Original 11/97