LC75817NE, 75817NW
Serial Data Output
• When CL is stopped at the low level
CE
CL
DI
11000010
B0 B1 B2 B3 A0 A1 A2 A3
DO
X KD1 KD2
KD27 KD28 KD29 KD30 SA
Output data
X: don't care
• When CL is stopped at the high level
CE
CL
DI
1100001
B0 B1 B2 B3 A0 A1 A2
DO
• B0 to B3, A0 to A3 : CCB address 43H
• KD1 to KD30 : Key data
• SA : Sleep acknowledge data
0
A3
X KD1 KD2 KD3
KD28 KD29 KD30 SA X
Output data
X: don't care
Note: *17. If a key data read operation is executed when DO is high, the read key data (KD1 to KD30) and sleep
acknowledge data(SA) will be invalid.
No. 6144-20/43