M16C62_N Datasheet, PDF (55/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

Bus Control
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
< Separate bus (no wait) >
BCLK
Write signal
Read signal
Data bus
Address bus
Chip select
Bus cycle(Note) Bus cycle(Note)
Output
Address
Input
Address
< Separate bus (with wait) >
BCLK
Write signal
Read signal
Data bus
Address bus
Chip select
Bus cycle(Note)
Output
Address
Bus cycle(Note)
Input
Address
< Multiplexed bus >
Bus cycle(Note)
BCLK
Write signal
Read signal
ALE
Address bus
Address
Address bus/
Data bus
Address
Chip select
Data output
Bus cycle(Note)
Address
Address
Input
Note : These example timing charts indicate bus cycle length.
After this bus cycle sometimes come read and write cycles in succession.
Figure 1.12.5. Typical bus timings using software wait
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