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7641 Datasheet(PDF) 98 Page - Renesas Technology Corp

Part # 7641
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  138 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7641 Datasheet(HTML) 98 Page - Renesas Technology Corp

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7641 Group
Rev.4.00
Aug 28, 2006
page 98 of 135
REJ03B0191-0400
0.8VCC
0.2VCC
DQ0 to DQ7
R
S0, S1
A0
tsu(A-R)
0.8VCC(2.0V)
0.2VCC(0.8V)
th(R-A)
0.2VCC(0.8V)
th(R-S)
tsu(S-R)
0.8VCC(2.0V)
0.2VCC(0.8V)
tw(R)
0.8VCC
0.2VCC
ta(R-D)
tv(R-D)
OBF
0.2VCC
tv(R-OBF)
0.8VCC
0.2VCC
DQ0 to DQ7
W
S0, S1
A0
tsu(A-W)
0.8VCC(2.0V)
0.2VCC(0.8V)
th(W-A)
0.2VCC(0.8V)
th(W-S)
tsu(S-W)
0.8VCC(2.0V)
0.2VCC(0.8V)
tw(W)
0.8VCC
0.2VCC
th(W-D)
IBF
0.2VCC
td(W-IBF)
tsu(D-W)
q Timing diagram
[Master CPU bus interface: R/W separate mode]
<Read>
<Write>
Note: This timing applies in the case of the master bus input level select bit
(PTC7) = “1” (TTL level input)
Fig. 84 Timing diagram (4)



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