Introduction - Nokia 6235 Baseband Description And Troubleshooting

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Introduction

The 6235/6235i/6236i baseband module is a tri-mode, Code Division Multiple Access
(CDMA), dual-band engine and is based on the DCT4.5 standard. The baseband engine
includes two major Application Specific Integrated Circuits (ASICs):
• D2200 or UEMEK 2VO — Universal Energy Management Enhanced Integrated
Circuit (UEME IC), which includes the audio circuits, charge control, and voltage
regulators
• D2800 or TIKUEDGE v1.1 — Main mobile terminal processor, which includes
system logic for CDMA, two Digital Signal Processors (DSPs), the Main Control
Unit (MCU), and the memory
The BL-6C Li-ion battery is used as the main power source and has a nominal capacity of
1070 mA/h.
Issue 1 04/2005
©2005 Nokia Corporation
6235/6235i/6236i (RM-60)
Baseband Description and Troubleshooting
Company Confidential Page 5