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7721 Datasheet(PDF) 74 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 74 Page - Renesas Technology Corp

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7721 Group User’s Manual
RESET
4–11
4.1.3 Internal processing sequence after reset
Figure 4.1.10 shows the internal processing sequence after reset.
4.1 Hardware reset
Fig. 4.1.10 Internal processing sequence after reset
(Next op-code or
operand)
“H”
CPU
A0–A7
A8/D8–A15/D15
FE16
ADL
E
R/W
qExternal bus width = 16 bits (BYTE = “L”)
ADH
(ADH)
0016
FF16
0016
0016
(Next op-code)
A16/D0–A23/D7
0016
(ADL)
0016
0016
0016
ALE
“H”
CPU
A0–A7
FE16
ADL
E
R/W
0016
A16/D0–A23/D7
0016
(ADH)
0016
0016
0016
ALE
FF16
A8–A15
FF16
ADH
0016
FF16
0016
(ADL)
qExternal bus width = 8 bits (BYTE = “H”)
(Next op-code)



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