[AK1541]
FAST[12:0] : Sets the FAST counter value.
A decimal number from 1 to 8191 can be set. This counter value is used to set the time period during
which the charge pump for the Fast Lockup mode is ON.
The charge pump for the Fast Lockup mode is turned OFF after the time period calculated by [this
count value x Phase detector frequency cycle]. 0 cannot be set.
D12 D11 D10 D9
D8
0
D7
0
D6
0
D5
0
D4
0
D3
0
D2
0
D1
0
D0
0
Function
0
Remarks
0
0
0
0
0
0
0
0
0
0
0
0
Prohibited
0
0
0
0
0
0
0
0
1
1 Dec
2 Dec
0
0
0
0
0
0
0
1
0
DATA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
8189 Dec
8190 Dec
8191 Dec
MS1043-E-05
25
2013/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
