Datasheet

AD9974
Rev. A | Page 49 of 52
Address
Data Bit
Content
Default
Value Update Name Description
0x02 [12:0] X VD SCP4 Sequence Change Position 4.
[25:13] X SCP5 Sequence Change Position 5.
[27:26] X Unused Set unused bits to 0.
0x03 [12:0] X VD SCP6 Sequence Change Position 6.
[25:13] X SCP7 Sequence Change Position 7.
[27:26] X Unused Set unused bits to 0.
0x04 [12:0] X VD SCP8 Sequence Change Position 8.
[27:13] Unused Set unused bits to 0.
0x05 [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] X Unused Set unused bits to 0.
0x06 [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] X Unused Set unused bits to 0.
0x07 [27:0] X VD Unused Set unused bits to 0.
0x08 [8:0] X VD CLPOB_POL CLPOB Start Polarity Settings.
[17:9] X CLPOB_PAT CLPOB Pattern Selector.
0 = CLPOB0_TOG registers are used.
1 = CLPOB1_TOG registers are used.
[27:18] X Unused Set unused bits to 0.
0x09 [12:0] X VD CLPOBMASKSTART1 CLPOB Mask 1 Start Position.
[25:13] X CLOBMASKEND1 CLPOB Mask 1 End Position.
[27:26] Unused Set unused bits to 0.
0xA [12:0] X VD CLPOBMASKSTART2 CLPOB Mask 2 Start Position.
[25:13] X CLOBMASKEND2 CLPOB Mask 2 End Position.
[27:26] X Unused Set unused bits to 0.
0xB [12:0] X VD CLPOBMASKSTART3 CLPOB Mask 3 Start Position.
[25:13] X CLOBMASKEND3 CLPOB Mask 3 End Position.
[27:26] X Unused Set unused bits to 0.
0xC [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_TOG registers are used.
1 = PBLK1_TOG registers are used.
[27:18] X Unused Set unused bits to 0
0xD [12:0] X VD PBLKMASKSTART1 PBLK Mask Region 1 Start Position.
[25:13] X PBLKMASKEND1 PBLK Mask Region 1 End Position.
[27:26] X Unused Set unused bits to 0.
0xE [12:0] X VD PBLKMASKSTART2 PBLK Mask Region 2 Start Position.
[25:13] X PBLKMASKEND2 PBLK Mask Region 2 End Position.
[27:26] X Unused Set unused bits to 0.
0xF [12:0] X VD PBLKMASKSTART3 PBLK Mask Region 3 Start Position.
[25:13] X PBLKMASKEND3 PBLK Mask Region 3 End Position.
[27:26] X Unused Set unused bits to 0.