Datasheet
AD9974
Rev. A | Page 21 of 52
Register Length (Bits) Range Description
HBLKTOGO1 13 0 to 8191 pixel location First HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGO2 13 0 to 8191 pixel location Second HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGO3 13 0 to 8191 pixel location Third HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGO4 13 0 to 8191 pixel location Fourth HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGO5 13 0 to 8191 pixel location Fifth HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGO6 13 0 to 8191 pixel location Sixth HBLK toggle position for odd lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE1 13 0 to 8191 pixel location First HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE2 13 0 to 8191 pixel location Second HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE3 13 0 to 8191 pixel location Third HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE4 13 0 to 8191 pixel location Fourth HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE5 13 0 to 8191 pixel location Fifth HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
HBLKTOGE6 13 0 to 8191 pixel location Sixth HBLK toggle position for even lines in HBLK Mode 0 and HBLK Mode 1.
RA0H1REPA/B/C 12
0 to 15 HCLK pulses
for each A, B, and C
HBLK Repeat Area 0. Number of H1 repetitions for HBLKSTARTA/B/C in
HBLK Mode 2 for even lines; odd lines are defined using HBLKALT_PAT.
[3:0] RA0H1REPA. Number of H1 pulses following HBLKSTARTA.
[7:4] RA0H1REPB. Number of H1 pulses following HBLKSTARTB.
[11:8] RA0H1REPC. Number of H1 pulses following HBLKSTARTC.
RA1H1REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 1. Number of H1 repetitions for HBLKSTARTA/B/C.
RA2H1REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 2. Number of H1 repetitions for HBLKSTARTA/B/C.
RA3H1REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 3. Number of H1 repetitions for HBLKSTARTA/B/C.
RA4H1REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 4. Number of H1 repetitions for HBLKSTARTA/B/C.
RA5H1REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 5. Number of H1 repetitions for HBLKSTARTA/B/C.
RA0H2REPA/B/C 12
0 to 15 HCLK pulses
for each A, B, and C
HBLK Repeat Area 0. Number of H2 repetitions for HBLKSTARTA/B/C in
HBLK Mode 2 for even lines; odd lines are defined using HBLKALT_PAT.
[3:0] RA0H2REPA. Number of H2 pulses following HBLKSTARTA.
[7:4] RA0H2REPB. Number of H2 pulses following HBLKSTARTB.
[11:8] RA0H2REPC. Number of H2 pulses following HBLKSTARTC.
RA1H2REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 1. Number of H2 repetitions for HBLKSTARTA/B/C.
RA2H2REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 2. Number of H2 repetitions for HBLKSTARTA/B/C.
RA3H2REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 3. Number of H2 repetitions for HBLKSTARTA/B/C.
RA4H2REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 4. Number of H2 repetitions for HBLKSTARTA/B/C.
RA5H2REPA/B/C 12 0 to 15 HCLK pulses HBLK Repeat Area 5. Number of H2 repetitions for HBLKSTARTA/B/C.
HBLKSTARTA 13 0 to 8191 pixel location HBLK Repeat Area Start Position A for HBLK Mode 2.
HBLKSTARTB 13 0 to 8191 pixel location HBLK Repeat Area Start Position B for HBLK Mode 2.
HBLKSTARTC 13 0 to 8191 pixel location HBLK Repeat Area Start Position C for HBLK Mode 2.
HBLKALT_PAT1 3 0 to 5 even repeat area
HBLK Mode 2, Odd Field Repeat Area 0 pattern, selected from even field.
Repeat areas previously defined.
HBLKALT_PAT2 3 0 to 5 even repeat area HBLK Mode 2, Odd Field Repeat Area 1 pattern.
HBLKALT_PAT3 3 0 to 5 even repeat area HBLK Mode 2, Odd Field Repeat Area 2 pattern.
HBLKALT_PAT4 3 0 to 5 even repeat area HBLK Mode 2, Odd Field Repeat Area 3 pattern.
HBLKALT_PAT5 3 0 to 5 even repeat area HBLK Mode 2, Odd Field Repeat Area 4 pattern.
HBLKALT_PAT6 3 0 to 5 even repeat area HBLK Mode 2, Odd Field Repeat Area 5 pattern.