參數(shù)資料
型號(hào)： KMC7448HX1400NC
廠(chǎng)商： Freescale Semiconductor
文件頁(yè)數(shù)： 34/60頁(yè)
文件大?。?/td> 0K
描述： IC MPU 128BIT 1400MHZ 360-FCCBGA
標(biāo)準(zhǔn)包裝： 1
系列： MPC74xx
處理器類(lèi)型： 32-位 MPC74xx PowerPC
速度： 1.4GHz
電壓： 1.15V
安裝類(lèi)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(pán)
MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4
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
– Three-cycle GPR and AltiVec load latency (byte, half word, word, vector) with one-cycle
throughput
– Four-cycle FPR load latency (single, double) with one-cycle throughput
– No additional delay for misaligned access within double-word boundary
– A 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
— Retires an instruction from the 16-entry completion queue (CQ) when all instructions ahead of
it have been completed, the instruction has finished executing, and no exceptions are pending
— Guarantees sequential programming model (precise exception model)
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參數(shù)描述
KMC7448HX1400ND 功能描述:微處理器 - MPU APL8 RV2.2.1 1.15V 105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
KMC7448HX1700LC 功能描述:IC MPU 128BIT 1700MHZ 360-FCCBGA RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC74xx 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類(lèi)型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類(lèi)型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤(pán)
KMC7448HX1700LD 功能描述:微處理器 - MPU APL8 RV2.2.1 1.3V 105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
KMC7448THX1000ND 功能描述:微處理器 - MPU A8 RV2.2.1 1.1V -40/105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
KMC7448THX1400ND 功能描述:微處理器 - MPU A8 RV2.2.1 1.1V -40/105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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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