Digital Block; Analog Block; Cdma Transceiver Block - Motorola 8900 - Blackberry Curve Cell Phone OEM Car Charger Developer's Manual

Architecture Overview
The C24 consists of the following blocks:

Digital Block

Micro-controller Unit (MCU) for system and user code execution.
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Digital Signal Processor (DSP) for voice and data processing.
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Serial communications interfaces.
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Digital audio (PCM) bus interface.
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General purpose IO signals.
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Analog Block

Power Management IC (PMIC).
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Analog audio interface management.
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Real Time Clock (RTC) subsystem.
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CDMA Transceiver Block

RF receiver.
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Signal processing IC for transmit and receive CDMA data.
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IC CELL/PCS RX filter.
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IC Triplexer for CELL/GPS/PCS.
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IC CELL/PCS duplexer.
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IC 1.575 GHz GPS Low Noise Amplifier with Integrated Filter.
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IC CELL/PCS LGA Termination Directional Couplers.
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IC CELL/PCS 3x3 Power Amplifier Module.
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IC CELL/PCS Tx Filter.
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8
USB driver interface
UARTs
UIM card
Internal regulators
1 external regulator for customer use
Speaker, microphone
Alert speaker
Headset
C24 Module Hardware Description December 15, 2008