Datasheet

REV. A
AD9848/AD9849
–16–
Bit Default
Address Content Width Value Register Name Register Description
HBLK # Bits 147
A4 [0] 1 01 hblkdir HBLK Internal/External (0 = Internal, 1 = External)
A5 [0] 1 00 hblkpol HBLK External Active Polarity (0 = Low Active,
1 = High Active)
A6 [0] 1 01 hblkextmask HBLK External Masking Polarity (0 = Mask H1 and H3 Low,
1 = Mask H1 and H3 High)
A7 [0] 1 01 hblkmask0 Sequence #0: Masking Polarity for HBLK
A8 [5:0] 6 3E hblktog1_0[5:0] Sequence #0: Toggle Low Position for HBLK
A9 [5:0] 6 00 hblktog1_0[11:6]
AA [5:0] 6 0D hblkbtog2_0[5:0] Sequence #0: Toggle High Position for HBLK
AB [5:0] 6 06 hblkbtog2_0[11:6]
AC [0] 1 01 hblkmask1 Sequence #1: Masking Polarity for HBLK
AD [5:0] 6 38 hblktog1_1[5:0] Sequence #1: Toggle Low Position for HBLK
AE [5:0] 6 00 hblktog1_1[11:6]
AF [5:0] 6 3C hblktog2_1[5:0] Sequence #1: Toggle High Position for HBLK
B0 [5:0] 6 02 hblktog2_1[11:6]
B1 [0] 1 00 hblkmask2 Sequence #2: Masking Polarity for HBLK
B2 [5:0] 6 3F hblktog1_2[5:0] Sequence #2: Toggle Low Position for HBLK
B3 [5:0] 6 3F hblktog1_2[11:6]
B4 [5:0] 6 3F hblktog2_2[5:0] Sequence #2: Toggle High Position for HBLK
B5 [5:0] 6 3F hblktog2_2[11:6]
B6 [0] 1 01 hblkmask3 Sequence #3: Masking Polarity for HBLK
B7 [5:0] 6 3F hblktog1_3[5:0] Sequence #3: Toggle Low Position for HBLK
B8 [5:0] 6 3F hblktog1_3[11:6]
B9 [5:0] 6 3F hblktog2_3[5:0] Sequence #3: Toggle High Position for HBLK
BA [5:0] 6 3F hblktog2_3[11:6]
000hblkscp0 HBLK Sequence-Change-Position #0 (Hardcoded to 0)
BB [1:0] 2 00 hblksptr0 HBLK Sequence Pointer for SCP #0
BC [5:0] 6 3F hblkscp1[5:0] HBLK Sequence-Change-Position #1
BD [5:0] 6 3F hblkscp1[11:6]
BE [1:0] 2 00 hblksptr1 HBLK Sequence Pointer for SCP #1
BF [5:0] 6 3F hblkscp2[5:0] HBLK Sequence-Change-Position #2
C0 [5:0] 6 3F hblkscp2[11:6]
C1 [1:0] 2 00 hblksptr2 HBLK Sequence Pointer for SCP #2
C2 [5:0] 6 3F hblkscp3[5:0] HBLK Sequence-Change-Position #3
C3 [5:0] 6 3F hblkscp3[11:6]
C4 [1:0] 2 00 hblksptr3 HBLK Sequence Pointer for SCP #3