Table of Contents
Advertisement
Pin Auto-Wait Mode: If the WAIT pin is low, the number of wait states (T
WC1 and WC0 are inserted.
In pin auto-wait mode, if the WAIT pin is low at the fall of the system clock (ø) in the T
the number of wait states (T
states are inserted even if the WAIT pin remains low.
Figure 6-7 shows the timing when the wait count is 1.
Read
access
Write
access
Note:
Downloaded from
Elcodis.com
electronic components distributor
) selected by bits WC1 and WC0 are inserted. No additional wait
W
T
T
1
2
ø
WAIT
Address bus
External address
AS
RD
Data bus
WR
Data bus
Write data
*
Arrows indicate time of sampling of the
Figure 6-7 Pin Auto-Wait Mode
T
T
T
3
1
2
*
*
External address
Read data
Write data
WAIT
pin.
114
) selected by bits
W
state,
2
T
T
W
3
Read data
Advertisement
Table of Contents
