BCM1122A4KEBG

BCM1122A4KEBG Datasheet

BCM1122

Part	Datasheet
BCM1122A4KEBG	BCM1122A4KEBG (pdf)

Related Parts	Information
BCM1122A4KEB	BCM1122A4KEB

PDF Datasheet Preview
BCM1122 HIGH-PERFORMANCE MIPS CONTROL PROCESSOR • 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 • 128 KB, 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 • compliant with option to configure MAC into packet FIFO • PCI interface • 32-bit, 33/66 MHz PCI • 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 NetBSD, QNX and OSE • Evaluation board platform available with tools, firmware and software drivers SUMMARY OF BENEFITS • Industry-leading performance • Dhrystone MIPS/MHz • 51-Gbps on-chip bus bandwidth, 13-Gbps memory bandwidth • Low power dissipation at 4W • High functional integration • Programming ease and flexibility based on MIPS64 ISA • Scalable system architecture • Broad tools and system software support • Software-compatible with BCM1250 and BCM1125H • The BCM1122's world-class performance, power efficiency and integration makes these processors ideal for a broad variety of systems including • Networking routers, switches • Control plane processing • Line cards • Broadband access DSLAM, CMTS, BRAS • Wireless base stations • Storage RAID controllers, NAS controllers, HBAs • Web/networking/caching appliances • Imaging printers, copiers FLASH 10/100 Ethernet Port for Debug BCM5461 GenBus GMII Data Plane ASIC or NPU BCM1122 DDR SDRAM Host Example PCI Card for TCP/IP Acceleration OVERVIEW 1 Gbps JTAG Debug/ Trace GPIO/ Interrupt/ PCMCIA Dual SMBus Generic Bus and Flash I/O Data Mover SB-1 Core 128K L2 Cache 256 Bits ZBbus 200 MHz clock 51 Gbps bandwidth

PDF Datasheet Preview

BCM1122

HIGH-PERFORMANCE MIPS CONTROL PROCESSOR
• 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
• 128 KB, 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
• compliant with option to configure MAC into packet FIFO
• PCI interface
• 32-bit, 33/66 MHz PCI
• 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 NetBSD, QNX and OSE
• Evaluation board platform available with tools, firmware and software drivers

SUMMARY OF BENEFITS
• Industry-leading performance
• Dhrystone MIPS/MHz
• 51-Gbps on-chip bus bandwidth, 13-Gbps memory bandwidth
• Low power dissipation at 4W
• High functional integration
• Programming ease and flexibility based on MIPS64 ISA
• Scalable system architecture
• Broad tools and system software support
• Software-compatible with BCM1250 and BCM1125H
• The BCM1122's world-class performance, power efficiency and integration makes these processors ideal for a broad variety of systems including
• Networking routers, switches
• Control plane processing
• Line cards
• Broadband access DSLAM, CMTS, BRAS
• Wireless base stations
• Storage RAID controllers, NAS controllers, HBAs
• Web/networking/caching appliances
• Imaging printers, copiers

FLASH
10/100 Ethernet Port for Debug

BCM5461

GenBus

GMII

Data Plane ASIC or NPU

BCM1122

DDR SDRAM

Host

Example PCI Card for TCP/IP Acceleration

OVERVIEW
1 Gbps

JTAG

Debug/ Trace

GPIO/ Interrupt/ PCMCIA

Dual SMBus

Generic Bus and Flash I/O

Data Mover

SB-1 Core
128K L2 Cache
256 Bits ZBbus
200 MHz clock 51 Gbps bandwidth

More datasheets: AS1360-25-T | AS1360-50-T | AS1360-40-T | AS1360-30-T | AS1360-33_EK_ST | CY2CC810OXC | CY2CC810OXCT | 161A18299X | CT-1015 | BCM1122A4KEB

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Datasheet ID: BCM1122A4KEBG 520199