
PRELIMINARY
CYD04S72V
CYD09S72V
CYD18S72V
Document #: 38-06069 Rev. *D
Page 19 of 26
Counter Reset
[38, 39]
Notes:
38. CE
= BE0 – BE7= LOW; CE
= MRST = CNT/MSK = HIGH.
39. No dead cycle exists during counter reset. A Read or Write cycle may be coincidental with the counter reset.
Switching Waveforms
(continued)
CLK
ADDRESS
INTERNAL
ADDRESS
CNTEN
ADS
DATA
IN
CNTRST
R/W
DATA
OUT
A
n
A
m
A
p
A
x
0
1
A
n
A
m
A
p
Q
1
Q
n
Q
0
D
0
t
CH2
t
CL2
t
CYC2
t
SA
t
HA
t
SW
t
HW
t
SRST
t
HRST
t
SD
t
HD
t
CD2
t
CD2
t
CKLZ
[51]
RESET
ADDRESS 0
COUNTER
WRITE
READ
ADDRESS 0
ADDRESS 1
READ
READ
ADDRESS A
n
ADDRESS A
m
READ