M16C/62P Group (M16C/62P, M16C/62PT)
8. Bus
Rev.2.41
Jan 10, 2006
Page 71 of 390
REJ09B0185-0241
Figure 8.8
Typical Bus Timings Using Software Wait (2)
Address
Address
Data output
Address
Address
Input
Bus cycle
(1)
Bus cycle
(1)
(1) Separate Bus, 3-Wait Setting
Read signal
Write signal
Address bus/
Data bus
CS
Address bus
ALE
(3) Multiplexed Bus, 3-Wait Setting
Output
NOTES :
1. These example timing charts indicate bus cycle length. After this bus cycle sometimes come read and write cycles in
succession.
Bus cycle
(1)
Bus cycle (1)
Input
Address
Address
Address bus/
Data bus
Address
Address
Data output
Address
Address
Input
ALE
Bus cycle
(1)
(2) Multiplexed Bus, 1- or 2-Wait Setting
Bus cycle
(1)
BCLK
CS
BCLK
CS
BCLK
Write signal
Read signal
Data bus
Address bus
Write signal
Read signal
Address bus
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