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CX805-30 Datasheet

Part NameDescriptionManufacturer
CX805-30 Baseband Processor for Multiband GSM and GPRS Applications Skyworks
Skyworks Solutions Skyworks
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Description
The Skyworks CX805-30 Baseband Processors (BPs) are highly integrated, dual core processors optimized for use in Global System for Mobile communications (GSM) and General Packet Radio Service (GPRS) cellular handset applications. The CX805-30 is the baseband portion of the Skyworks GSM/GPRS System Solution.

Features
• 0.25µ CMOS process technology
• ARM7 TDMI core
• Skyworks DSP core with all memory on-chip
• GPRS class 10 and circuit-switched data (14.4 kbps) services
• Half-rate, full-rate, and enhanced full-rate speech coders
• Voice features such as voice recognition, conversation record, and voice memo
• Hardware accelerator for GPRS encryption algorithms (GEA 1 and 2)
• Integrated Real-Time Clock (RTC)
• Interface to handset MMI peripherals such as keypad, liquid crystal display (LCD), and annunciator
• Interfaces to Skyworks IA and PMIC devices
• Interface to Subscriber Identity Module (SIM)
• Addresses up to 16 MB of external memory (flash or SRAM)
• Application Interfaces:
    — Serial/RS-232
    — Infra-red Data Adapter (IrDA)
• Low power operation. 3 V I/Os and an on-chip supplied 2.5 V core
• Eight Chip Select (CS) signals for external memory
• 16-bit data bus, 24-bit address bus

Applications
• GSM handsets and modules (850/900/1800/1900 MHz)
• GPRS handsets and modules (850/900/1800/1900 MHz)
• Bluetooth®-enabled wireless headset modules

 

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