Datasheet

Data Sheet AD9547
Rev. E | Page 61 of 104
Addr
Opt
1
Name
D7
D6
D5
D4
D3
D2
D1
D0
Def
0x0410
S
Reserved
Unused
0x0411
S
0x0412 S
0x0413
S
0x0414
S
0x0415
S
0x0416
S
0x0417
S
Reference input configuration
0x0500
S
Reference
power-down
Unused
Ref BB
power-
down
Ref B
power-
down
Ref AA
power-
down
Ref A
power-
down
0xF0
0x0501
S
Reference
logic family
Ref BB logic family[1:0]
Ref B logic family[1:0]
Ref AA logic family[1:0]
Ref A logic family[1:0]
0x00
0x0502
S
Unused
0x00
0x0503
C
Manual
reference
profile
selection
Enable
Ref AA
manual
profile
Ref AA manual profile[2:0]
Enable Ref A
manual
profile
Ref A manual profile[2:0]
0x00
0x0504
C
Enable
Ref BB
manual
profile
Ref BB manual profile[2:0]
Enable Ref B
manual
profile
Ref B manual profile[2:0]
0x00
0x0505
C
Unused
0x00
0x0506
C
Unused
0x00
0x0507
C
Phase build-
out switching
Unused
Phase master threshold priority[2:0]
0x00
Profile registers—Profile 0
0x0600 Priorities Unused Promoted priority[2:0] Selection priority[2:0] 0x00
0x0601
Reference
period
Nominal reference period[39:0] (in fs up to 1.1 ms)
0x00
0x0602
0x00
0x0603 0x00
0x0604
0x00
0x0605
0x00
0x0606
Unused (write 0s to these bits)
0x00
0x0607
0x00
0x0608
Tolerance
Inner tolerance[15:0] (1/tolerance) (removes fault status; 10% down to 1 ppm)
0x00
0x0609
0x00
0x060A
Unused
Inner tolerance[19:16]
0x00
0x060B
Outer tolerance[15:0] (1/tolerance) (indicates fault status; 10% down to 1 ppm)
0x00
0x060C
0x00
0x060D
Unused
Outer tolerance[19:16]
0x00
0x060E
Validation
timer
Validation timer[15:0] (in ms up to 65,535 ms)
0x00
0x060F
0x00
0x0610
Redetect
timer
Redetect timer[15:0] (in ms up to 65,535 ms)
0x00
0x0611
0x00
0x0612
Digital loop
filter coeffi-
cients
Alpha-0 linear[15:0]
0x00
0x0613
0x00
0x0614
Alpha-2 exponent[1:0]
Alpha-1 exponent[5:0]
0x00
0x0615
Beta-0 linear[6:0]
Alpha-2
exponent[2]
0x00
0x0616 Beta-0 linear[14:7] 0x00
0x0617 Unused Beta-1 exponent[4:0] Beta-0 linear[16:15] 0x00
0x0618
Gamma-0 linear[15:0]
0x00
0x0619
0x00
0x061A Unused Gamma-1 exponent[4:0] Gamma-0
linear[16]
0x00
0x061B
Delta-0 linear[7:0]
0x00
0x061C
Delta-1
exponent[0]
Delta-0 linear[14:8]
0x00
0x061D
Alpha-3 exponent[3:0]
Delta-1 exponent[4:1]
0x00