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7643 Datasheet(PDF) 85 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 85 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 68 of 103
REJ09B0133-0200
OVERVIEW
FUNCTIONAL DESCRIPTION
7643 Group
Fig. 66 Extended RDY wait (software wait plus RDY input anytime wait) timing diagram
XIN
φOUT
ADOUT
RD
WR
CPMB = 0C16
CPMB = 0D16
CPMB = 0E16
RDY
tsu
CPMB = 0F16
CPMB = 0E16
1-cycle extended RDY wait
No wait
2-cycle extended RDY wait
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
XIN
φOUT
ADOUT
RD
WR
RDY
2-cycle extended RDY wait
3-cycle extended RDY wait
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
tsu
Note: This diagram assumes
φ = XIN/2.



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