Overview

Jz4725B is one ultra-low power and ultra-low cost multimedia processor with high integration and high multimedia performance, targeted for PMP application. It features Ingenic's innovative XBurst CPU core, running at 360 MHz frequency and highly optimized for the lowest power consumption and the lowest cost. It supports Rmvb, MPEG-4, WMV D1 decoding, integrating Audio CODEC, LCD controller, USB 2.0 controller and MMC/SD/SDIO controller. Jz4725B is upgrading version chip of Jz4725 and is Pin-to-Pin compatible with Jz4725. Jz4725B supports 12bit ECC Nand Flash and all chip power consumption is below 200mW. Jz4725B will be the most popular MP4 processor for low end PMP products.

Block Diagram

Main Feature

CPU 360MHz XBurst CPU XBurst RISC instruction set to support Linux and WinCE XBurst SIMD instruction set to support multimedia acceleration XBurst 8-stage pipeline micro-architecture 16K I-Cache,16K D-Cache 32-entry dual-pages joint-TLB, 4 entry Instruction TLB and 4 entry data TLB Smart prefetch to accelerate multimedia application Video Post Processor  Video frame resize Color space conversion: 420/444/422 YUV to RGB convert 　　 Momery Sub-system  8/16-bit static memory interface 8/16-bit SDRAM interface 8/16-bit NAND Flash interface, NAND Flash Boot Support  6-ch Descriptor based DMA Controlle 　　 Clock & Power Management  Dynamic frequency scaling Low power mode: Normal,doze, Idle, sleep, hibernate 　 AV Interfaces  Audio CODEC, 18-bit DAC, 16-bit ADC, not support external audio CODEC LCD controller: 18bits, support both RGB and MCU interface, 1280*1024 resolution        On-chip Peripherals  RTC Interrupt Controller, Timer, WDT, PWM I2C interface 1 UART USB 2.0 Device controller, high speed, 1 port 2 MMC/SD/SDIO controller 2-ch 12 Bits SADC, battery voltage detect Process Technology  Package：LQFP 128 Technology：0.16um CMOS

Documentation

Documents Description Size Date Jz4725B_ds.pdf Jz4725 Data Sheet  410KB  2009-4-21