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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： | 23/80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
3
Overview
Figure 1 shows the block diagram. Shaded portions are device-specific; refer to the notes below.
Figure 1. MPC8280 Block Diagram
1.1 Features
The major features of the MPC8280 are as follows:
Dual-issue integer (G2_LE) core
— A core version of the EC603e microprocessor
— System core microprocessor supporting frequencies of 166–450 MHz
— Separate 16-Kbyte data and instruction caches:
– Four-way set associative
– Physically addressed
– LRU replacement algorithm
— Architecture-compliant memory management unit (MMU)
— Common on-chip processor (COP) test interface
16 Kbytes
G2_LE Core
I-Cache
I-MMU
16 Kbytes
D-Cache
D-MMU
Communication Processor Module (CPM)
Timers
Parallel I/O
Baud Rate
Generators
32 KB
32-bit RISC Microcontroller
and Program ROM
Serial
DMAs
4 Virtual
IDMAs
60x-to-PCI
Bridge
Memory Controller
Clock Counter
System Functions
System Interface Unit
(SIU)
Local Bus
32 bits, up to 100 MHz
PCI Bus
32 bits, up to 66 MHz
or
MCC11
MCC2
FCC1
FCC2
FCC3
SCC1
SCC2
SCC3
SCC4/
SMC1
SMC2
SPI
I2C
Serial Interface2
3 MII or RMII
2 UTOPIA
Ports3
Ports
60x Bus
Microcode
IMA1
Data
Interrupt
Controller
Time Slot Assigner
TC Layer Hardware1
8 TDM Ports2
Non-Multiplexed
I/O
60x-to-Local
Bus Interface Unit
32 KB
Instruction
Notes:
1 MPC8280 only (not on MPC8270, the VR package, nor the ZQ package)
2 MPC8280 has 2 serial interface (SI) blocks and 8 TDM ports. MPC8270 and the VR and ZQ packages have
only 1 SI block and 4 TDM ports (TDM2[A–D]).
3 MPC8280, MPC8275VR, MPC8275ZQ only (not on MPC8270, MPC8270VR, nor MPC8270ZQ)
RAM
USB
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