User Guide

6235/6235i/6236i (RM-60)
Baseband Description and Troubleshooting
Page 6 ©2005 Nokia Corporation Company Confidential Issue 1 04/2005
Figure 1: Baseband block diagram
Even though the Bluetooth, External Display and MMC components are on the ASICs,
they are not used in the 6235/6235i/6236i baseband module.
PWM
Parallel
Battery
Zocus
Sim MMC
D2800
MCU ARM925
PDRAM
C-DSP Lead3
A-DSP Lead 3
2G System Logic
D2200
Regulation
Charge Control
Audio
FBUS / MBUS
SIM I/F
RTC
Tomahawk
DC Jack
Int Display
Production
Test IF
RF
Keyboard
Mic
IHF Speaker
Disp BL’s
Camera
IRDA
Bluetooth
FM Radio
Antenna
SMPS
SDRAM
CBUS
Nut
USB
PCM / UART
VCORE
VIO
Regulator
Serial
Ext Display
UHS Jack
EL
Amplifier
EarPiece
Vibra
Cam Flash
PWM
Flash Memory
(Program,
NOR)
Flash Memory
(User, NAND)
D
B
U
S
32 KHz
GPS
19.2 MHz
UART