System Block Diagram; Platform Introduction; Cbp 5.0 - Nokia RH-128 Service Manual

System block diagram

Platform Introduction

CBP 5.0

VIA Telecom's CBP 5.0 single-chip CDMA Base Band Processors provide a complete 3G CDMA2000®
1X (Release 0) solution. They are designed to meet or exceed the specifications of mobile stations for
worldwide 3G CDMA systems as specified by CDMA2000® 1X (Release 0) standards and are
backward-compatible to IS -95.
CBP 5.0 integrates three processor subsystems
ARM7TDMI® Control Processor (CP) supports the protocol stack, user interface, and hardware
interface processing. Two TeakLite® Digital Signal Processors (DSPs): one DSP supports CDMA
modem processing, the second DSP supports CDMA voice processing.
The main features of the CBP 5.0
Supports CDMA2000® 1X (Release 0)
Backward compatible to IS-95 standards
Supports IS-2000 Quick Paging Channel for improved standby time
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Baseband Description and Troubleshooting
RH-128
Issue 1