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參數(shù)資料
| 型號： | MC7447AVU733NB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 34/56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： | 733MHz |
| 電壓： | 1.1V |
| 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
4
Freescale Semiconductor
Features
— Four vector units and 32-entry vector register file (VRs)
– Vector permute unit (VPU)
– Vector integer unit 1 (VIU1) handles short-latency AltiVec integer instructions, such as
vector add instructions (for example, vaddsbs, vaddshs, and vaddsws).
– Vector integer unit 2 (VIU2) handles longer-latency AltiVec integer instructions, such as
vector multiply add instructions (for example, vmhaddshs, vmhraddshs, and
vmladduhm).
– Vector floating-point unit (VFPU)
— Three-stage load/store unit (LSU)
– Supports integer, floating-point, and vector instruction load/store traffic
– Four-entry vector touch queue (VTQ) supports all four architected AltiVec data stream
operations
– 3-cycle GPR and AltiVec load latency (byte, half word, word, vector) with 1-cycle
throughput
– 4-cycle FPR load latency (single, double) with 1-cycle throughput
– No additional delay for misaligned access within double-word boundary
– Dedicated adder calculates effective addresses (EAs)
– Supports store gathering
– Performs alignment, normalization, and precision conversion for floating-point data
– Executes cache control and TLB instructions
– Performs alignment, zero padding, and sign extension for integer data
– Supports hits under misses (multiple outstanding misses)
– Supports both big- and little-endian modes, including misaligned little-endian accesses
Three issue queues, FIQ, VIQ, and GIQ, can accept as many as one, two, and three instructions,
respectively, in a cycle. Instruction dispatch requires the following:
— Instructions can only be dispatched from the three lowest IQ entries—IQ0, IQ1, and IQ2.
— A maximum of three instructions can be dispatched to the issue queues per clock cycle.
— Space must be available in the CQ for an instruction to dispatch. (This includes instructions that
are assigned a space in the CQ but not in an issue queue.)
Rename buffers
— 16 GPR rename buffers
— 16 FPR rename buffers
— 16 VR rename buffers
Dispatch unit
— Decode/dispatch stage fully decodes each instruction
Completion unit
— The completion unit retires an instruction from the 16-entry completion queue (CQ) when all
instructions ahead of it have been completed, the instruction has finished execution, and no
exceptions are pending.
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| MC7447AVU867NB | 功能描述:微處理器 - MPU A7PM PB FREE SPHERES 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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