Baseband Top-Level Description; Baseband Block Diagram - Nokia RH-6 Series Baseband Description & Troubleshooting

CCS Technical Documentation

Baseband Top-Level Description

Product RH-6 is a hand portable EGSM900, GSM1800, GSM-1900 DCT-4 generation
phone for the smart classic segment.
The RH-6 Baseband consists of the DCT4 common Baseband chipset having some prod-
uct specific blocks of its own, such as pop-port system connector (also unofficially
known as "Tomahawk"), IHF and a color display.
The Baseband engine consists basically of two major ASIC's.
• The UEM is the Universal Energy Management IC. It includes the analog audio cir-
cuits, the charge control and voltage regulators.
• The UPP is the Universal Phone Processor and contains DSP, MCU and some internal
memory.

Baseband block diagram

The below system block shows the main BB function blocks.
Issue 1 10/2003
Company Confidential
6 - BB Description & Troubleshooting
Figure 1: Baseband Block Diagram
© 2003 Nokia Corporation.
RH-6
Page 5