PC8240 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
PC8240 Datasheet PDF : 42 Pages
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General Description
Block Diagram
Figure 1. Block Diagram
PC8240
Additional features:
• JTAG/COP interface
• Power management
The PC8240 integrated processor is comprised of a peripheral logic block and a 32-bit
superscalar PowerPC 603e core, as shown in Figure 1.
603e Processor Core Block
(64-bit) Two-instruction fetch
Processor
PLL
Branch
Processing
Unit
Instruction Unit
(BPU)
(64-bit) Two-instruction dispatch
System
Register
Unit
(SRU)
Integer
Unit
(IU)
Load/Store
Unit
(LSU)
Data
MMU
16-Kbyte
Data
Cache
Floating
Point
Unit
(FPU)
64-bit
Instruction
MMU
16-Kbyte
Instruction
Cache
I2C
5 IRQs/
16 Serial
Interrupts
Peripheral Logic
Bus
Peripheral Logic Block
Message
Controller
(I2O)
DMA
Controller
Address
(32-bit)
Data (64-bit)
Data Path
ECC Controller
Central
Control
Unit
Memory
Controller
Configuration
Registers
I2C
Controller
EPIC
Interrupt
Controller
/Timers
PCI Bus
Interface Unit
Address
PCI
Translator Arbiter
DLL
Peripheral Logic
PLL
Fanout
Buffers
Data Bus
(32- or 64-bit)
with 8-bit Parity
or ECC
Memory/ROM/PortX
Address and Control
SDRAM
Clocks
PCI
Clock In
PCI Bus
Clocks
32-bit Five Request/
PCI Interface Grant Pairs
Oscillator
Input
2 PC8240
2149A–HIREL–05/02
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