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7702 Datasheet, PDF (278/522 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER | |||
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CONNECTION WITH EXTERNAL DEVICES
12.2 Software Wait
<No Wait>
1 bus cycle
Clock 1
E
ALE
A0âA7
(N ote)
A8/D8âA15/D15, A16/D0âA23/D7
Address
Address
Address Data Address Data
qInternal areas are always accessed in this waveform.
<Wait>
Clock 1
E
ALE
A0âA7
(N ote)
A8/D8âA15/D15, A16/D0âA23/D7
1 bus cycle
Address
Address
Data
Address
Address
Data
Note: When the external data bus is 8 bits width (BYTE = âHâ), A8/D8 to A15/D15 operate with the same bus timing as A0 to A7.
Fig. 12.2.2 Example of bus timing when software Wait is used (BYTE = âLâ)
12â12
7702/7703 Group Userâs Manual
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