PRIXP425ABD Intel, PRIXP425ABD Datasheet - Page 25

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PRIXP425ABD

Manufacturer Part Number
PRIXP425ABD
Description
Manufacturer
Intel
Datasheet

Specifications of PRIXP425ABD

Core Operating Frequency
533MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant

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Datasheet—Intel
Figure 6.
2.2.1
June 2007
Document Number:
Intel XScale
Super Pipeline
The super pipeline is composed of integer, multiply-accumulate (MAC), and memory
pipes.
The integer pipe has seven stages:
The memory pipe has eight stages:
®
• Multiple-accumulate coprocessor that can do two simultaneous, 16-bit, SIMD
• Performance monitoring unit (PMU) furnishing two 32-bit event counters and one
• JTAG debug unit that uses hardware break points and 256-entry trace history
• Branch Target Buffer (BTB)/Fetch 1
• Fetch 2
• Decode
• Register File/Shift
• ALU Execute
• State Execute
• Integer Writeback
252479-007US
IXP42X product line and IXC1100 control plane processors
multiplies with 40-bit accumulation for efficient, high-quality media and signal
processing
32-bit cycle counter for analysis of hit rates, etc.
This PMU is for the Intel XScale
monitoring of internal bus performance.
buffer (for flow-change messages) to debug programs
Coprocessor Interface
Accumulate
®
Multiply
IRQ
FIQ
Technology Block Diagram
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
Interrupt
Request
Execution
Management
Core
Instruction
System
Address
®
Data
Data
processor only. An additional PMU is supplied for
Branch Target Cache
Instruction Cache
Mini-Data Cache
Data Cache
Debug/
JTAG
32 KB
PMU
32 KB
2 KB
M
M
M
M
U
U
South
AHB
Bus
A9568-02
Datasheet
25

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