Datasheet

AD9548 Data Sheet
Rev. E | Page 92 of 112
Table 117. Fractional Feedback Divider—Profile 3
Address Bits Bit Name Description
0x06D8 [7:0] V V, Bits[7:0]
0x06D9
[7:4]
U
U, Bits[3:0]
[3:2] Unused
[1:0] V V, Bits[9:8]
0x06DA [7:6] Unused
[5:0] U U, Bits[9:4]
Table 118. Lock Detectors—Profile 3
Address Bits Bit Name Description
0x06DB [7:0] Phase lock threshold
(units determined by
Register 0x06B2[7])
Phase lock threshold, Bits[7:0]
0x06DC [7:0] Phase lock threshold, Bits[15:8]
0x06DD [7:0] Phase lock fill rate Phase lock fill rate, Bits[7:0]
0x06DE [7:0] Phase lock drain rate Phase lock drain rate, Bits[7:0]
0x06DF [7:0] Frequency lock
thresh-old (in
picoseconds)
Frequency lock threshold, Bits[7:0]
0x06E0
[7:0]
Frequency lock threshold, Bits[15:8]
0x06E1 [7:0] Frequency lock threshold, Bits[23:16]
0x06E2 [7:0] Frequency lock fill rate Frequency lock fill rate, Bits[7:0]
0x06E3 [7:0] Frequency lock drain
rate
Frequency lock drain rate, Bits[7:0]
0x06E4 to
0x06FF
[7:0] Unused
Register 0x0700 to Register 0x07FF—Profile 4 to Profile 7
Profile 4 (Register 0x0700 to Register 0x0731) is identical to Profile 0 (Register 0x0600 to Register 0x0631).
Profile 5 (Register 0x0732 to Register 0x077F) is identical to Profile 1 (Register 0x0632 to Register 0x067F).
Profile 6 (Register 0x0780 to Register 0x07B1) is identical to Profile 2 (Register 0x0680 to Register 0x06B1).
Profile 7 (Register 0x07B2 to Register 0x07FF) is identical to Profile 3 (Register 0x06B2 to Register 0x06FF).