參數(shù)資料
型號(hào): PC8245
廠商: Atmel Corp.
英文描述: Integrated Processor Family
中文描述: 綜合處理器系列
文件頁數(shù): 2/61頁
文件大?。?/td> 429K
代理商: PC8245
2
PC8245
2171D–HIREL–06/04
General Description
Block Diagram
The PC8245 integrated processor is comprised of a peripheral logic block and a 32-bit
superscalar PowerPC 603e core, as shown in Figure 1.
Figure 1.
Block Diagram
Peripheral Logic
Bus
Instruction Unit
Address
Translator
DLL
Fanout
Buffers
PCI
Arbiter
I
2
C
Controller
DMA
Controller
EPIC
Interrupt
Controller
/Timers
DUART
Watchpoint
Facility
PCI Bus
Interface Unit
Data Path
ECC Controller
Memory
Controller
Central
Control
Unit
Oscillator
Input
Five Request/
Grant Pairs
I
2
C
5 IRQs/
16 Serial
Interrupts
Processor Core Block
Peripheral Logic Block
Processor
PLL
Instruction
MMU
(64-bit) Two-instruction fetch
(64-bit) Two-instruction dispatch
Peripheral Logic
PLL
SDRAM Clocks
PCI_SYNC_IN
PCI Bus
Clocks
Data (64-bit)
Address
(32-bit)
Data Bus
(32- or 64-bit)
with 8-bit Parity
or ECC
Memory/ROM/PortX
Address and Control
64-bit
32-bit
PCI Interface
Branch
Processing
Unit
(BPU)
System
Register
Unit
(SRU)
Floating
Point
Unit
(FPU)
Integer
Unit
(IU)
Load/Store
Unit
(LSU)
Performance
Monitor
Data
MMU
16-Kbyte
Data
Cache
16-Kbyte
Instruction
Cache
Configuration
Registers
Additional features:
Prog I/O with Watchpoint
JTAG/COP Interface
Power Management
PC8245
SDRAM_SYNC_IN
Message
Unit
(with I
2
O)
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