參數(shù)資料
型號: MPC8248ZQPIEA
廠商: Freescale Semiconductor
文件頁數(shù): 34/61頁
文件大小: 0K
描述: IC MPU POWERQUICC II 516-PBGA
標準包裝: 40
系列: MPC82xx
處理器類型: 32-位 MPC82xx PowerQUICC II
速度: 300MHz
電壓: 1.5V
安裝類型: 表面貼裝
封裝/外殼: 516-BBGA
供應商設備封裝: 516-FPBGA(27x27)
包裝: 托盤
MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 3
4
Freescale Semiconductor
Overview
— Floating-point unit (FPU) supports floating-point arithmetic
— Support for cache locking
Low-power consumption
Separate power supply for internal logic (1.5 V) and for I/O (3.3 V)
Separate PLLs for G2_LE core and for the communications processor module (CPM)
— G2_LE core and CPM can run at different frequencies for power/performance optimization
— Internal core/bus clock multiplier that provides ratios 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 4.5:1, 5:1,
5.5:1, 6:1, 7:1, 8:1
— Internal CPM/bus clock multiplier that provides ratios 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 5:1, 6:1, 8:1
ratios
64-bit data and 32-bit address 60x bus
— Bus supports multiple master designs—up to two external masters
— Supports single transfers and burst transfers
— 64-, 32-, 16-, and 8-bit port sizes controlled by on-chip memory controller
60x-to-PCI bridge
— Programmable host bridge and agent
— 32-bit data bus, 66 MHz, 3.3 V
— Synchronous and asynchronous 60x and PCI clock modes
— All internal address space available to external PCI host
— DMA for memory block transfers
– PCI-to-60x address remapping
System interface unit (SIU)
— Clock synthesizer
— Reset controller
— Real-time clock (RTC) register
— Periodic interrupt timer
— Hardware bus monitor and software watchdog timer
— IEEE 1149.1 JTAG test access port
Eight bank memory controller
— Glueless interface to SRAM, page mode SDRAM, DRAM, EPROM, Flash, and other
user-definable peripherals
— Byte write enables
— 32-bit address decodes with programmable bank size
— Three user-programmable machines, general-purpose chip-select machine, and page mode
pipeline SDRAM machine
— Byte selects for 64-bit bus width (60x)
— Dedicated interface logic for SDRAM
Disable CPU mode
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