Datasheet

Data Sheet AD9547
Rev. E | Page 85 of 104
Register 0x069E to Register 0x06A8—Profile 2 Frequency Multiplication
Table 105. R Divider—Profile 2
1
Address
Bit
Bit Name
Description
0x069E
[7:0]
R
R, Bits[7:0].
0x069F
[7:0]
R, Bits[15:8].
0x06A0 [7:0] R, Bits[23:16].
0x06A1
[7:6]
Unused
Unused.
[5:0] R R, Bits[29:24].
1
The value stored in the R divider register yields an actual divide ratio of one more than the programmed value.
Table 106. S Divider—Profile 2
1
Address
Bit
Bit Name
Description
0x06A2 [7:0] S S, Bits[7:0].
0x06A3
[7:0]
S
S, Bits[15:8].
0x06A4 [7:4] Unused Unused.
[3:0]
S
S, Bits[19:16].
0x06A5 [7:0] Unused Unused.
1
The value stored in the S divider register yields an actual divide ratio of one more than the programmed value. Furthermore, the value of S must be at least 7.
Table 107. Fractional Feedback Divider—Profile 2
Address
Bit
Bit Name
Description
0x06A6 [7:0] V V, Bits[7:0].
0x06A7
[7:4]
U
U, Bits[3:0].
[3:2] Unused Unused.
[1:0] V V, Bits[9:8].
0x06A8 [7:6] Unused Unused.
[5:0]
U
U, Bits[9:4].
Table 108. Lock Detectors—Profile 2
Address
Bit
Bit Name
Description
0x06A9
[7:0]
Phase lock threshold (units determined by Register 0x0680[7])
Phase lock threshold, Bits[7:0].
0x06AA [7:0] Phase lock threshold, Bits[15:8].
0x06AB
[7:0]
Phase lock fill rate
Phase lock fill rate, Bits[7:0].
0x06AC [7:0] Phase lock drain rate Phase lock drain rate, Bits[7:0].
0x06AD
[7:0]
Frequency lock threshold (expressed in units of ps)
Frequency lock threshold, Bits[7:0].
0x06AE [7:0] Frequency lock threshold, Bits[15:8].
0x06AF
[7:0]
Frequency lock threshold, Bits[23:16].
0x06B0
[7:0]
Frequency lock fill rate
Frequency lock fill rate, Bits[7:0].
0x06B1 [7:0] Frequency lock drain rate Frequency lock drain rate, Bits[7:0].