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參數(shù)資料
| 型號： | MPC8270ZQMIBA |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 34/83頁 |
| 文件大?。?/td> | 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： | 333MHz |
| 電壓： | 1.5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 516-BBGA |
| 供應(yīng)商設(shè)備封裝： | 516-FPBGA（27x27） |
| 包裝： | 托盤 |
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MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 2
4
Freescale Semiconductor
Overview
— Common on-chip processor (COP) test interface
— High-performance (SPEC95 benchmark at 450 MHz; 855 Dhrystones MIPS at 450 MHz)
— Supports bus snooping
— Support for data cache coherency
— Floating-point unit (FPU)
Separate power supply for internal logic and for I/O
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, 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
— Supports single- and four-beat burst transfers
— 64-, 32-, 16-, and 8-bit port sizes controlled by on-chip memory controller
— Supports data parity or ECC and address parity
32-bit data and 18-bit address local bus
— Single-master bus, supports external slaves
— Eight-beat burst transfers
— 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, 66.67/83.3/100 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
PCI bridge
— PCI Specification Revision 2.2 compliant and supports frequencies up to 66 MHz
— On-chip arbitration
— Support for PCI-to-60x-memory and 60x-memory-to-PCI streaming
— PCI host bridge or periphera
l capabilities
— Includes 4 DMA channels for the following transfers:
– PCI-to-60x to 60x-to-PCI
– 60x-to-PCI to PCI-to-60x
– 60x-to-PCI to 60x-to-PCI
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