NSW-5
System Module UT5U
PAMS Technical Documentation
Page 12
Issue 1 10/00
Nokia Mobile Phones Ltd.
UI contacts on the Engine module
PADs for Display
PADs for
roller key
Roller key
switch
Microphone contacts
through A cover to Slide
Assembly connector
Submodules
List of Submodules
Name of submodule
Function
CTRLU
Control Unit for the phone, comprising MAD ASIC (MCU,
DSP, System Logic) and Memories
PWRU
Power supply, comprising CCONT and CHAPS
AUDIO–RF_IF
Audio coding and RF–BB interface, COBBA
INF
Infrared transceiver
UI
User interface; UISWITCH, keyboard LEDs, and UI pad
areas
These blocks are only functional blocks and therefore have no type nor
material codes. For block diagram, see the baseband schematics on the
syst–level.