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Description
SC1 & SC0 Select counter
Counter
0
1
2
Read-back command
RW1 & RW0 Select read / write operation
Operation
Counter latch
Read/write LSB
Read/write MSB
Read/write LSB first,
then MSB
M2, M1 & M0 Select operating mode
M2
0
0
X
X
1
1
102
M1 M0 Mode
0
0
0
0
1
1
1
0
2
1
1
3
0
0
4
0
1
5
SC1
SC0
0
0
0
1
1
0
1
1
RW1
0
0
1
1
Description
Stop on terminal count
Programmable one shot
Rate generator
Square wave rate generator
Software triggered strobe
Hardware triggered strobe
RW0
0
1
0
1
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