參數(shù)資料
型號： MPC8270CZQMIBA
廠商： Freescale Semiconductor
文件頁數(shù)： 45/83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： 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
MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 2
Freescale Semiconductor
5
Overview
— Includes all of the configuration registers (which are automatically loaded from the EPROM
and used to configure the MPC8280) required by the PCI standard as well as message and
doorbell registers
— Supports the I2O standard
— Hot-swap friendly (supports the hot swap specification as defined by PICMG 2.1 R1.0 August
3, 1998)
— Support for 66.67/83.33/100 MHz, 3.3 V specification
— 60x-PCI bus core logic that uses a buffer pool to allocate buffers for each port
— Uses the local bus signals, removing need for additional pins
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
12-bank memory controller
— Glueless interface to SRAM, page mode SDRAM, DRAM, EPROM, Flash, and other
user-definable peripherals
— Byte write enables and selectable parity generation
— 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) and byte selects for 32-bus width (local)
— Dedicated interface logic for SDRAM
CPU core can be disabled and the device can be used in slave mode to an external core
Communications processor module (CPM)
— Embedded 32-bit communications processor (CP) uses a RISC architecture for flexible support
for communications protocols
— Interfaces to G2_LE core through an on-chip 32 KB dual-port data RAM, an on-chip 32 KB
dual-port instruction RAM and DMA controller
— Serial DMA channels for receive and transmit on all serial channels
— Parallel I/O registers with open-drain and interrupt capability
— Virtual DMA functionality executing memory-to-memory and memory-to-I/O transfers
— Three fast communications controllers supporting the following protocols:
– 10/100-Mbit Ethernet/IEEE 802.3 CDMA/CS interface through media independent
interface (MII) or reduced media independent interface (RMII)
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