79RV4640-267DU 查看數據表（PDF） - Integrated Device Technology

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79RV4640-267DU

Low-Cost Embedded 64-bit RISController w/ DSP Capability

Integrated Device Technology 

IDT79RC4640™

Timing Characteristics—RV4640

Cycle

MasterClock

1

2

3

4

tMCkHigh

tMCkLow

tMCkP

SysAD,SysCmd Driven

SysADC

SysAD,SysCmd Received

SysADC

D

D

D

tDM

tDOH

tDZ

tDO

D

D

tDS

tDH

D

D

Control Signal CPU driven

ValidOut*

Release*

Control Signal CPU received

RdRdy*

WrRdy*

ExtRqst*

ValidIn*

NMI*

Int*(5:0)

tDO

tDS

tDOH

tDH

* = active low signal

Figure 5 System Clocks Data Setup, Output, and Hold timing

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December 5, 2008

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