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参数资料
| 型号： | MPC8270ZQUPEX |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 450 MHz, RISC PROCESSOR, PBGA516 |
| 封装： | 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, PLASTIC, BGA-516 |
| 文件页数： | 45/80页 |
| 文件大小： | 536K |
| 代理商： | MPC8270ZQUPEX |
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MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
Freescale Semiconductor
5
Overview
— 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-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-Kbyte dual-port data RAM, an on-chip 32-Kbyte
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)
– ATM—Full-duplex SAR protocols at 155 Mbps, through UTOPIA interface, AAL5, AAL1, AAL0
protocols, TM 4.0 CBR, VBR, UBR, ABR traffic types, up to 64 K external connections (no ATM
support for the MPC8270)
– Transparent
– HDLC—Up to T3 rates (clear channel)
– FCC2 can also be connected to the TC layer (MPC8280 only)
— Two multichannel controllers (MCCs) (one MCC on the MPC8270)
– Each MCC handles 128 serial, full-duplex, 64-Kbps data channels. Each MCC can be split into four
subgroups of 32 channels each.
– Almost any combination of subgroups can be multiplexed to single or multiple TDM interfaces up
to four TDM interfaces per MCC
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| MPC8270ZUB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications |
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