Datasheet
AD9979
Rev. C | Page 53 of 56
Address
Data Bit
Content
Default
Value
1
Update
Type Name Description
04 [12:0] X VD SCP8 Sequence Change Position 8.
[27:13] Unused Set unused bits to 0.
05 [4:0] X VD HPAT_SEL0 Selected H-pattern for first region in field.
[9:5] X HPAT_SEL1 Selected H-pattern for second region in field.
[14:10] X HPAT_SEL2 Selected H-pattern for third region in field.
[19:15] X HPAT_SEL3 Selected H-pattern for fourth region in field.
[24:20] X HPAT_SEL4 Selected H-pattern for fifth region in field.
[27:25] Unused Set unused bits to 0.
06 [4:0] X VD HPAT_SEL5 Selected H-pattern for sixth region in field.
[9:5] X HPAT_SEL6 Selected H-pattern for seventh region in field.
[14:10] X HPAT_SEL7 Selected H-pattern for eighth region in field.
[19:15] X HPAT_SEL8 Selected H-pattern for ninth region in field.
[27:20] Unused Set unused bits to 0.
07 [27:0] Unused Set unused register to 0.
08 [8:0] X VD CLPOB_POL CLPOB start polarity settings.
[17:9] X CLPOB_PAT CLPOB pattern selector.
0 = CLPOB0_TOGx registers are used.
1 = CLPOB1_TOGx registers are used.
[27:18] Unused Set unused bits to 0.
09 [12:0] X VD CLPOBMASKSTART1 CLPOB Mask Region 1 start position.
[25:13] X CLOBMASKEND1 CLPOB Mask Region 1 end position.
[27:26] Unused Set unused bits to 0.
0A [12:0] X VD CLPOBMASKSTART2 CLPOB Mask Region 2 start position.
[25:13] X CLOBMASKEND2 CLPOB Mask Region 2 end position.
[27:26] Unused Set unused bits to 0.
0B [12:0] X VD CLPOBMASKSTART3 CLPOB Mask Region 3 start position.
[25:13] X CLOBMASKEND3 CLPOB Mask Region 3 end position.
[27:26] Unused Set unused bits to 0.
0C [8:0] X VD PBLK_POL PBLK start polarity settings for Sequence 0 to Sequence 8.
[17:9] X PBLK_PAT PBLK pattern selector.
0 = PBLK0_TOGx registers are used.
1 = PBLK1_TOGx registers are used.
[27:18] Unused Set unused bits to 0
0D [12:0] X VD PBLKMASKSTART1 PBLK Mask Region 1 start position.
[25:13] X PBLKMASKEND1 PBLK Mask Region 1 end position.
[27:26] Unused Set unused bits to 0.
0E [12:0] X VD PBLKMASKSTART2 PBLK Mask Region 2 start position.
[25:13] X PBLKMASKEND2 PBLK Mask Region 2 end position.
[27:26] Unused Set unused bits to 0.
0F [12:0] X VD PBLKMASKSTART3 PBLK Mask Region 3 start position.
[25:13] X PBLKMASKEND3 PBLK Mask Region 3 end position.
[27:26] Unused Set unused bits to 0.
1
X = Don’t care.