Datasheet > MSC8122

MSC8122

更新时间： 2024-11-29 04:14:35

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		数字信号处理器
页数	文件大小	规格书
88页	2993K
描述
Quad Core 16-Bit Digital Signal Processor

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MSC8122 数据手册

MSC8122

Rev. 13, 10/2006

Freescale Semiconductor

Technical Data

MSC8122

Quad Core 16-Bit Digital Signal Processor

The raw processing power of

this highly integrated system-

on- a-chip device will enable

developers to create next-

generation networking

SC140

Extended Core

MQBus

128

products that offer

tremendous channel

SQBus

Boot

ROM

Local Bus

densities, while maintaining

system flexibility, scalability,

and upgradeability. The

MSC8122 is offered in three

core speed levels: 300, 400,

and 500 MHz.

IP Master

32 Timers

UART

RAM

Memory

Controller

RS-232

4 TDMs

GPIO Pins

Interrupts

PLL/Clock

PLL

IPBus

GPIO

GIC

What’s New?

Rev. 13 includes the following:

Chapter 2 updates Table 2-13 to

add timings 17 and 18 for IRQs.

JTAG Port

JTAG

8 Hardware

Semaphores

•

MII/RMII/SMII

DSI Port

Ethernet

Internal Local Bus

SIU

Direct

Slave

Interface

(DSI)

32/64

System

Interface

DMA

Bridge

Registers

System Bus

32/64

Memory

Controller

Internal System Bus

Figure 1. MSC8122 Block Diagram

The MSC8122 is a highly integrated system-on-a-chip that combines four SC140 extended cores with an RS-232

serial interface, four time-division multiplexed (TDM) serial interfaces, thirty-two general-purpose timers, a

flexible system interface unit (SIU), an Ethernet interface, and a multi-channel DMA engine. The four extended

cores can deliver a total 4800/6400/8000 DSP MMACS performance at 300/400/500 MHz.

Each core has four arithmetic logic units (ALUs), internal memory, a write buffer, and two interrupt controllers.

The MSC8122 targets high-bandwidth highly computational DSP applications and is optimized for wireless

transcoding and packet telephony as well as high-bandwidth base station applications. The MSC8122 delivers

enhanced performance while maintaining low power dissipation and greatly reducing system cost.

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