BCM1122A4KEBG BCM1122 CONTROL PROCESSOR

BCM1122A4KEBG BCM1122 CONTROL PROCESSOR

Feature

• 400 MHz MIPS64™ CPU

-Quad-issue in order pipeline; dual execute, dual memory pipes

-Enhanced skew pipeline enables zero load-to-use penalty

-32-KB instruction cache, 32-KB data cache

-Advanced branch predictors

• Fast, on-chip memory-coherent bus (ZBbus)

-Connects the CPU, L2 cache, memory controller and I/O bridges

-Runs at half the CPU core clock; 256 bits wide

• On-chip L2 cache

-128KB, shared by CPU and I/O bridges

-Four-way associative, ECC protected

-Ways can be removed to provide fast on-chip RAM 

• DDR memory controller

-One channel with a 64-bit data bus plus ECC

-Runs at 100 MHz clock rate, 200 Mbps data rate

-Support for DDR SDRAM, SGRAM, and FCRAM

• High-speed packet interfaces

-One 10/100/1000 Ethernet MAC, and one 10/100 Ethernet MAC

-802.3 compliant with option to configure MAC into packet FIFO

• PCI interface

-32-bit, 33/66 MHz PCI 2.2 -Host bridge or target device

• Integrated system I/O

-Generic I/O for direct connect to boot ROM, FLASH, fast

peripherals/ASICs -SMBus serial configuration interface -PCMCIA control interface -Two serial interfaces

• Extensive, on-chip debug features

-4W @ 400 MHz

• Software-compatible with BCM1250 and BCM1125H

• Support for leading operating systems including VxWorks®, 

Linux®, NetBSD, QNX and OSE

• Evaluation board platform available with tools, firmware and 

software drivers

OVERVIEW

Picture

From :www.hkmjd.com

Shen Zhen Mingjiada electronic.Co.,ltd.