参数资料
型号: EWIXP455ABT
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 266 MHz, RISC PROCESSOR, PBGA544
封装: LEAD FREE, PLASTIC, BGA-544
文件页数: 2/163页
文件大小: 1123K
代理商: EWIXP455ABT
Product Features
May 2005
Intel IXP45X and Intel IXP46X Product Line of Network Processors Datasheet
10
Document Number: 306261-002
— PCI arbiter supporting up to four external PCI devices (four REQ/GNT pairs)
— Host/option capable
— Master/target capable
— Two DMA channels
USB 1.1 device controller
— Full-speed capable
— Embedded transceiver
— 16 endpoints
USB 2.0 host controller
— Low-speed and full-speed capable
— Embedded transceiver
— EHCI Compliant
— Separate interface from USB 1.1 device controller
DDRI-266 SDRAM interface
— Internally multi-ported Memory Controller Unit (Three Internal Ports)
— 32-bit data
— 13-bit address
— 133.32 MHz (which is 4 * OSC_IN input pin)
— Supports 128/256/512/1,024-Mbit technologies
— Unbuffered DDRI SDRAM support only
— Up to eight open pages simultaneously maintained
— Support for 32 Mbyte, minimum; 1 Gbyte, maximum
— User-enabled, single-bit error correction/multi-bit error detection ECC support
(ECC not supported on Intel
IXP455 Network Processor)
Expansion interface
— Master/Target interface
— 25-bit address
— 32-bit data
— Eight programmable outbound chip selects
— One inbound chip select
— Four request/grant pairs
— Outbound transfers (IXP45X/IXP46X network processors are the master to external target
devices)
— Inbound transfers (IXP45X/IXP46X network processors are a target to external masters)
— Bus tri-state for sideband transfers (External masters accesses to external target device)
— Outbound transfer support
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