REV. A
AD9847
–14–
Bit Default
Address Content Width Value Register Name Register Description
PBLK # Bits 146
C5 [0] 1 01 pblkdir PBLK Internal/External (0 = Internal, 1 = External)
C6 [0] 1 00 pblkpol PBLK External Active Polarity (0 = Low Active, 1 = High Active)
C7 [0] 1 01 pblkspol0 Sequence #0: Start Polarity for PBLK
C8 [5:0] 6 3D pblktog1_0[5:0] Sequence #0: Toggle Position 1 for PBLK
C9 [5:0] 6 00 pblktog1_0[11:6]
CA [5:0] 6 2A pblkbtog2_0[5:0] Sequence #0: Toggle Position 2 for PBLK
CB [5:0] 6 06 pblkbtog2_0[11:6]
CC [0] 1 00 pblkspol1 Sequence #1: Start Polarity for PBLK
CD [5:0] 6 2A pblktog1_1[5:0] Sequence #1: Toggle Position 1 for PBLK
CE [5:0] 6 06 pblktog1_1[11:6]
CF [5:0] 6 3F pblktog2_1[5:0] Sequence #1: Toggle Position 2 for PBLK
D0 [5:0] 6 3F pblktog2_1[11:6]
D1 [0] 1 00 pblkspol2 Sequence #2: Start Polarity for PBLK
D2 [5:0] 6 3F pblktog1_2[5:0] Sequence #2: Toggle Position 1 for PBLK
D3 [5:0] 6 3F pblktog1_2[11:6]
D4 [5:0] 6 3F pblktog2_2[5:0] Sequence #2: Toggle Position 2 for PBLK
D5 [5:0] 6 3F pblktog2_2[11:6]
D6 [0] 1 01 pblkspol3 Sequence #3: Start Polarity for PBLK
D7 [5:0] 6 3F pblktog1_3[5:0] Sequence #3: Toggle Position 1 for PBLK
D8 [5:0] 6 3F pblktog1_3[11:6]
D9 [5:0] 6 3F pblktog2_3[5:0] Sequence #3: Toggle Position 2 for PBLK
DA [5:0] 6 3F pblktog2_3[11:6]
000pblkscp0 PBLK Sequence-Change-Position #0 (Hardcoded to 0)
DB [1:0] 2 02 pblksptr0 PBLK Sequence Pointer for SCP #0
DC [5:0] 6 01 pblkscp1[5:0] PBLK Sequence-Change-Position #1
DD [5:0] 6 00 pblkscp1[11:6]
DE [1:0] 2 01 pblksptr1 PBLK Sequence Pointer for SCP #1
DF [5:0] 6 02 pblkscp2[5:0] PBLK Sequence-Change-Position #2
E0 [5:0] 6 00 pblkscp2[11:6]
E1 [1:0] 2 00 pblksptr2 PBLK Sequence Pointer for SCP #2
E2 [5:0] 6 37 pblkscp3[5:0] PBLK Sequence-Change-Position #3
E3 [5:0] 6 03 pblkscp3[11:6]
E4 [1:0] 2 02 pblksptr3 PBLK Sequence Pointer for SCP #3
H1–H4, RG, SHP, SHD # Bits 53
E5 [0] 1 00 h1pol H1/H2 Polarity Control (0 = No Inversion, 1 = Inversion)
E6 [5:0] 6 00 h1posloc H1 Positive Edge Location
E7 [5:0] 6 20 h1negloc H1 Negative Edge Location
E8 [2:0] 3 03 h1drv H1 Drive Strength (0 = OFF, 1 = 3.5 mA, 2 = 7 mA,
3 = 10.5 mA, 4 = 14 mA, 5 = 17.5 mA, 6 = 21 mA, 7 = 24.5 mA)
E9 [2:0] 3 03 h2drv H2 Drive Strength
EA [2:0] 3 03 h3drv H3 Drive Strength
EB [2:0] 3 03 h4drv H4 Drive Strength
EC [0] 1 00 rgpol RG Polarity Control (0 = No Inversion, 1 = Inversion)
ED [5:0] 6 00 rgposloc RG Positive Edge Location
EE [5:0] 6 10 rgnegloc RG Negative Edge Location
EF [2:0] 3 02 rgdrv RG Drive Strength (0 = OFF, 1 = 3.5 mA, 2 = 7 mA,
3 = 10.5 mA, 4 = 14 mA, 5 = 17.5 mA, 6 = 21 mA, 7 = 24.5 mA)
F0 [5:0] 6 24 shpposloc SHP (Positive) Edge Sampling Location
F1 [5:0] 6 00 shdposloc SHD (Positive) Edge Sampling Location