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| 型號： | MC7447AVU1000LB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 45/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MPU RISC 32BIT 360-BGA |
| 標(biāo)準(zhǔn)包裝： | 44 |
| 系列： | MPC74xx |
| 處理器類型： | 32-位 MPC74xx PowerPC |
| 速度： | 1.0GHz |
| 電壓： | 1.3V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 360-BCBGA，F(xiàn)CCBGA |
| 供應(yīng)商設(shè)備封裝： | 360-FCCBGA（25x25） |
| 包裝： | 托盤 |
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MPC7447A RISC Microprocessor Hardware Specifications, Rev. 5
Freescale Semiconductor
5
Features
— Guarantees sequential programming model (precise exception model)
— Monitors all dispatched instructions and retires them in order
— Tracks unresolved branches and flushes instructions after a mispredicted branch
— Retires as many as three instructions per clock cycle
Separate on-chip L1 instruction and data caches (Harvard architecture)
— 32-Kbyte, eight-way set-associative instruction and data caches
— Pseudo least-recently-used (PLRU) replacement algorithm
— 32-byte (eight-word) L1 cache block
— Physically indexed/physical tags
— Cache write-back or write-through operation programmable on a per-page or per-block basis
— Instruction cache can provide four instructions per clock cycle; data cache can provide four
words per clock cycle
— Caches can be disabled in software.
— Caches can be locked in software.
— MESI data cache coherency maintained in hardware
— Separate copy of data cache tags for efficient snooping
— Parity support on cache and tags
— No snooping of instruction cache except for icbi instruction
— Data cache supports AltiVec LRU and transient instructions
— Critical double- and/or quad-word forwarding is performed as needed. Critical quad-word
forwarding is used for AltiVec loads and instruction fetches. Other accesses use critical
double-word forwarding.
Level 2 (L2) cache interface
— On-chip, 512-Kbyte, eight-way set-associative unified instruction and data cache
— Fully pipelined to provide 32 bytes per clock cycle to the L1 caches
— A total 9-cycle load latency for an L1 data cache miss that hits in L2
— Cache write-back or write-through operation programmable on a per-page or per-block basis
— 64-byte, two-sectored line size
— Parity support on cache
Separate memory management units (MMUs) for instructions and data
— 52-bit virtual address, 32- or 36-bit physical address
— Address translation for 4-Kbyte pages, variable-sized blocks, and 256-Mbyte segments
— Memory programmable as write-back/write-through, caching-inhibited/caching-allowed, and
memory coherency enforced/memory coherency not enforced on a page or block basis
— Separate IBATs and DBATs (eight each) also defined as SPRs
— Separate instruction and data translation lookaside buffers (TLBs)
– Both TLBs are 128-entry, two-way set-associative, and use an LRU replacement algorithm.
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參數(shù)描述 |
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| MC7447AVU1000NB | 功能描述:微處理器 - MPU A7PM PB FREE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC7447AVU1000NB | 制造商:Freescale Semiconductor 功能描述:Microprocessor |
| MC7447AVU1167NB | 功能描述:微處理器 - MPU A7PM PB FREE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC7447AVU1250PC | 制造商:Freescale Semiconductor 功能描述:MPU MPC74XX RISC 32BIT 0.13UM 1.25GHZ 1.8V/2.5V 360FCCBGA - Tape and Reel |
| MC7447AVU1267LB | 功能描述:微處理器 - MPU A7PM PB FREE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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