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AD9942 データシート(PDF) 25 Page - Analog Devices |
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AD9942 データシート(HTML) 25 Page - Analog Devices |
25 / 36 page AD9942 Rev. A | Page 25 of 36 Table 20. Channel A and Channel B HBLK Individual Sequence Parameters Parameter Length (Bit) Range Description HBLKMASK 1 High/low Masking polarity for H1 for Sequences 0 to 3 (0 = low; 1 = high). Toggle Position 1 12 0 to 4095 pixel locations First toggle position within the line for Sequences 0 to 3. Toggle Position 2 12 0 to 4095 pixel locations Second toggle position within the line for Sequences 0 to 3. Toggle Position 3 12 0 to 4095 pixel locations Third toggle position within the line for Sequences 0 to 3. Toggle Position 4 12 0 to 4095 pixel locations Fourth toggle position within the line for Sequences 0 to 3. Toggle Position 5 12 0 to 4095 pixel locations Fifth toggle position within the line for Sequences 0 to 3. Toggle Position 6 12 0 to 4095 pixel locations Sixth toggle position within the line for Sequences 0 to 3. Table 21. Channel A and Channel B Horizontal Sequence Control Registers for CLPOB, PBLK, and HBLK Register Length (Bit) Range Description SCP 12 0 to 4095 line numbers CLPOB/PBLK/HBLK SCP to define Horizontal Regions 0 to 3. SPTR 2 0 to 3 sequence numbers Sequence pointer for Horizontal Regions 0 to 3. Table 22. Channel A and Channel B External HBLK Register Parameters Register Length (Bit) Range Description HBLKDIR 1 High/low Specifies HBLK internally generated or externally supplied. 0 = internal; 1 = external. HBLKPOL 1 High/low External HBLK active polarity. 0 = active low; 1 = active high. HBLKEXTMASK 1 High/low External HBLK masking polarity. 0 = mask H1 low; 1 = mask H1 high. H-COUNTER SYNCHRONIZATION The H-counter reset occurs seven CLI cycles after the HD falling edge. 0123 4567 89 10 11 12 14 15 012 3 H-COUNTER RESET VD_X NOTES 1. INTERNAL H COUNTER IS RESET SEVEN CLI_X CYCLES AFTER THE HD_X FALLING EDGE (WHEN USING VDHDEDGE = 0). 2. TYPICAL TIMING RELATIONSHIP: CLI_X RISING EDGE IS COINCIDENT WITH HD_X FALLING EDGE. HD_X CLI_X XX XX X X X H COUNTER (PIXEL COUNTER) XX X Figure 26. H-Counter Synchronization |
同様の部品番号 - AD9942 |
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同様の説明 - AD9942 |
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