[AK1541]
PRE[1:0] : Selects a dividing ratio for the prescaler.
D9
0
D8
0
Function
Remarks
P=4
0
1
P=8
1
0
P=16
P=16
1
1
R[7:0]: Sets a dividing ratio for the reference clock.
This can be set in the range from 4 (4 divisions) to 255 (255 divisions). 0, 1, 2 or 3 cannot be set.
D7
0
D6
0
D5
0
D4
0
D3
0
D2
0
D1
0
D0
0
Function
Remarks
Prohibited
Prohibited
Prohibited
Prohibited
0
1
2
3
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
DATA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
253
254
255
MS1043-E-05
23
2013/03