參數(shù)資料
型號(hào)： MC7447AHX1000NB
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 23/56頁(yè)
文件大小： 0K
描述： IC MPU RISC 1000MHZ 360-FCCBGA
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： 1.1V
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
MPC7447A RISC Microprocessor Hardware Specifications, Rev. 5
Freescale Semiconductor
3
Features
NOTE
The MPC7447A is a footprint-compatible, drop-in replacement in an
MPC7447 application if the core power supply is 1.3 V.
2Features
This section summarizes features of the MPC7447A implementation of the PowerPC architecture.
Major features of the MPC7447A are as follows:
High-performance, superscalar microprocessor
— Up to four instructions can be fetched from the instruction cache at a time.
— Up to 12 instructions can be in the instruction queue (IQ).
— Up to 16 instructions can be at some stage of execution simultaneously.
— Single-cycle execution for most instructions
— One instruction per clock cycle throughput for most instructions
— Seven-stage pipeline control
Eleven independent execution units and three register files
— Branch processing unit (BPU) features static and dynamic branch prediction
– 128-entry (32-set, four-way set-associative) branch target instruction cache (BTIC), a cache
of branch instructions that have been encountered in branch/loop code sequences. If a target
instruction is in the BTIC, it is fetched into the instruction queue a cycle sooner than it can
be made available from the instruction cache. Typically, a fetch that hits the BTIC provides
the first four instructions in the target stream.
– 2048-entry branch history table (BHT) with 2 bits per entry for four levels of
prediction—not taken, strongly not taken, taken, and strongly taken
– Up to three outstanding speculative branches
– Branch instructions that do not update the count register (CTR) or link register (LR) are
often removed from the instruction stream.
– Eight-entry link register stack to predict the target address of Branch Conditional to Link
Register (bclr) instructions
— Four integer units (IUs) that share 32 GPRs for integer operands
– Three identical IUs (IU1a, IU1b, and IU1c) can execute all integer instructions except
multiply, divide, and move to/from special-purpose register instructions.
– IU2 executes miscellaneous instructions including the CR logical operations, integer
multiplication and division instructions, and move to/from special-purpose register
instructions.
— Five-stage FPU and a 32-entry FPR file
– Fully IEEE 754-1985–compliant FPU for both single- and double-precision operations
– Supports non-IEEE mode for time-critical operations
– Hardware support for denormalized numbers
– Thirty-two 64-bit FPRs for single- or double-precision operands
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC7447AHX1000NBR 制造商:Freescale Semiconductor 功能描述:MPU MPC74XX RISC 32BIT 0.13UM 1GHZ 1.8V/2.5V 360FCCBGA - Tape and Reel
MC7447AHX1000PC 制造商:Freescale Semiconductor 功能描述:MPU MPC74XX RISC 32BIT 0.13UM 1GHZ 1.8V/2.5V 360FCCBGA - Bulk
MC7447AHX1167NB 功能描述:微處理器 - MPU APOLO7PM RV1.1 1.1V 105C 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(chǔ)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
MC7447AHX1167NB 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU 1.167GHZ 360-FCCBGA
MC7447AHX1250PC 制造商:Freescale Semiconductor 功能描述:MPU MPC74XX RISC 32BIT 0.13UM 1.25GHZ 1.8V/2.5V 360FCCBGA - Bulk
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