User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 31
Issue 1 07/99
Table 19. NSE–8/9 Baseband key components
Name
used in this
document
Schematic
Ref.
Description
Cobba_GJP N200 Mixed signal RF– and audio Codec
MAD2PR1 D300 System ASIC with MCU and DSP
FLASH D301 FLASH ROM
RAM D302 Static RAM
EEPROM D303 EEPROM
PSCC N101 Charger switch control IC
switcher V105 DC/DC converter IC
CCONT N100 Multi functional power management IC
UISwitch N400 Integrated switch IC for UI transducer driving
CCONT
LCD
SIM
Bottom Con
PSCC
COBBA_GJP
BATTERY
PA SUPPLY
RF SUPPLIES
BB SUPPLY
TX/RX SIGNALS
BASEBAND
Vdc_out
COBBA SUPPLY
AUDIOLINES
32kHz
CLK
13MHz
CLK
SLEEP CLOCK
SYSTEM CLOCK
vibra
motor
NiMH
core voltage
DC/DC–
VB
converter
Eprom
RAM
Flash
MAD2PR1
UI–
Switch
DSP
MCU
Buzzer
Backlight
Figure 7. Baseband Block Diagram
Technical Summary
The Baseband architecture is basically similar to DCT3 GSM phones.
HD947 differs from DCT3 in the single pcb concept and the serial
interface between MAD2PR1 and COBBA_GJP and between MAD2PR1
and CCONT.
In HD947 the MCU, the system specific ASIC and the DSP are