Fujitsu MB15E07SL User Manual page 9

Programmable Counter
LSB
1 2 3 4
C A A A
N 1 2 3
T
CNT : Control bit
N1 to N11 : Divide ratio setting bits for the programmable counter (3 to 2,047)
A1 to A7 : Divide ratio setting bits for the swallow counter (0 to 127)
Note: Data input with MSB first.
Table 2. Binary 14-bit Programmable Reference Counter Data Setting
Divide ratio (R) R14
3 0
4 0
16383 1
Note : Divide ratio less than 3 is prohibited.
Table 3. Binary 11-bit Programmable Counter Data Setting
Divide ratio (N) N11
3 0
4 0
2047 1
Note : Divide ratio less than 3 is prohibited.
Table 4. Binary 7-bit Swallow Counter Data Setting
Divide ratio (A)
0
1
127
Data Flow
5 6 7 8 9
A A A A N
4 5 6 7 1
R13 R12 R11 R10
0 0 0 0
0 0 0 0
1 1 1 1
N10 N9 N8
0 0 0
0 0 0
1 1 1
A7 A6
0 0
0 0
1 1
10 11 12 13 14
N N N N N
2 3 4 5 6
R9 R8 R7 R6
0 0 0 0
0 0 0 0
1 1 1 1
N7 N6 N5
0 0 0
0 0 0
1 1 1
A5 A4
0 0
0 0
1 1
MB15E07SL
MSB
15 16 17 18 19
N N N N N
7 8 9 10 11
[Table 1]
[Table 3]
[Table 4]
R5 R4 R3 R2
0 0 0 1
0 0 1 0
1 1 1 1
N4 N3 N2 N1
0 0 1
0 1 0
1 1 1
A3 A2 A1
0 0 0
0 0 1
1 1 1
R1
1
0
1
1
0
1
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