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| 型号： | KMC7448HX1400ND |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 34/60页 |
| 文件大小： | 0K |
| 描述： | IC MPU 128BIT 1400MHZ 360-FCCBGA |
| 标准包装： | 1 |
| 系列： | MPC74xx |
| 处理器类型： | 32-位 MPC74xx PowerPC |
| 速度： | 1.4GHz |
| 电压： | 1.15V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 360-BCBGA，FCCBGA |
| 供应商设备封装： | 360-FCCBGA（25x25） |
| 包装： | 托盘 |
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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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相关代理商/技术参数 |
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| KMC7448HX1700LC | 功能描述:IC MPU 128BIT 1700MHZ 360-FCCBGA RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微处理器 系列:MPC74xx 标准包装:2 系列:MPC8xx 处理器类型:32-位 MPC8xx PowerQUICC 特点:- 速度:133MHz 电压:3.3V 安装类型:表面贴装 封装/外壳:357-BBGA 供应商设备封装:357-PBGA（25x25） 包装:托盘 |
| KMC7448HX1700LD | 功能描述:微处理器 - MPU APL8 RV2.2.1 1.3V 105C RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| KMC7448THX1000ND | 功能描述:微处理器 - MPU A8 RV2.2.1 1.1V -40/105C RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| KMC7448THX1400ND | 功能描述:微处理器 - MPU A8 RV2.2.1 1.1V -40/105C RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| KMC7448VS1267ND | 功能描述:微处理器 - MPU APL8 RV2.2.1 1.1V 105C RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
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