参数资料
型号: MPC8240LZU250X
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 250 MHz, RISC PROCESSOR, PBGA352
封装: TBGA-352
文件页数: 12/52页
文件大小: 542K
代理商: MPC8240LZU250X
2
MPC8240 (rev0.5) Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Overview
1.1 Overview
The MPC8240 integrated processor is comprised of a peripheral logic block and a 32-bit superscalar
PowerPC 603e core, as shown in Figure 1.
Figure 1. MPC8240 Block Diagram
Peripheral Logic
Instruction Unit
System
Integer
Load/Store
Floating-
Address
Translator
DLL
Fanout
Buffers
PCI
Arbiter
Data
Instruction
16-Kbyte
Message
Controller
(I2O)
I2C
Controller
DMA
Controller
Interrupt
Controller
EPIC
/Timers
PCI Bus
Interface Unit
Memory
Controller
Data Path
ECC Controller
Central
Control
Unit
32-Bit
Oscillator
Five
Request/Grant
Pairs
I2C
5 IRQs/
603e Processor Core Block
Peripheral Logic Block
Processor
PLL
(64 bit) Two-instruction fetch
(64-bit) Two-instruction dispatch
Peripheral Logic
PLL
SDRAM
PCI
PCI Bus
Data (64 bit)
Address
Data Bus
(32- or 64-bit)
Memory/ROM/PortX
64 bit
PCI Interface
Input
Clock In
Clocks
16 Serial
Interrupts
Branch
Processing
Unit
(BPU)
MPC8240
Bus
Configuration
Registers
Register
Unit
(SRU)
Unit
(IU)
Unit
(LSU)
Point
Unit
(FPU)
(32 bit)
Data
Cache
Instruction
Cache
MMU
Additional features:
JTAG/COP interface
Power management
with 8-bit Parity
or ECC
Address and Control
Clocks
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