This post explains for the Multiprocessor.
The Part Number is ATJ2273B.
The function of this semiconductor is Highly Integrated SOC with Multiprocessor.
The package is LQFP128 E-PAD (14*14).
Manufacturers : Actions Semiconductor
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The ATJ2273B is a highly integrated SOC for high density media solution with multiprocessor. The
architecture of one 32-bit RISC up to 450 MHz, cooperated with a powerful Video Engine, a build in
Graphics Processing Unit (GPU) and a Display Engine, high efficiency buses, high-speed DDR/DDRII/Mobile DDR memory controller. It can achieve high performance and low power
1. High Speed 32bit RISC
(1) Up to 450 MHz
(2) 8-stage pipeline
(3) MIPS32 instruction set
(4) Programmable Memory Management Unit
(5) 16KB I-Cache and 16KB D-cache
(6) 24kB DSPRAM
(7) 8kB ISPRAM
2. Video Engine
(1) All format of 720p video supported, 30fps, up to 20Mbps averagely;
(2) Support MPEG-4 encoding, up to 720p resolution
(3) Support digital room from x1~x4, and with configurable step.
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