Baseband Processor
a
Baseband Processor for TD-HSDPA TD-SCDMA and GSM/GPRS/EGPRS
Handsets and Data Modems
Preliminary Technical Data
AD6...
Description
a
Baseband Processor for TD-HSDPA TD-SCDMA and GSM/GPRS/EGPRS
Handsets and Data Modems
Preliminary Technical Data
AD6905
INTRODUCTION
The AD6905 is an advanced, low power baseband processor that meets the demanding requirements of TD-HSDPA and GSM/GPRS/EGPRS terminals with advanced system power management and multimedia capabilities. The chip integrates a powerful Blackfin® DSP processor along with an ARM926EJS® microcontroller and an extensive set of peripheral interfaces that support features such as a digital camera sensor, USB OTG, Multimedia Card, SD (Secure Digital) Card, IrDA, thumbwheel, color displays, and other peripheral devices such as Bluetooth, WiLAN, and A-GPS modules.
With integrated 3G/TDD hardware acceleration to support High Speed Downlink Packet Access (TD-HSDPA) at data rates up to 2.8Mbps, the AD6905 enables new levels of wireless connectivity.
FEATURES
MCU Control Processor Subsystem
32-bit ARM926EJ-S® MCU Control Processor 260 MHz operation at 1.5V 16KB instruction cache 16KB data cache 4kB Instruction Tightly Coupled Memory (TCM) 2-Mbit On-chip System SRAM Ciphering coprocessor supporting GEA1 and GEA2 and GEA3
encryption algorithms Dedicated multi-channel DMA controller
DSP Subsystem
Blackfin 16-bit fixed-point DSP Processor 260 MHz operation at 1.5V Memory:
L1 program space: 64 kB SRAM and 16 kB configurable as instruction cache or SRAM
L1 data space: Two banks of 16K bytes, each with 8K bytes of dedicated SRAM and an additional 8K bytes tha...
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