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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9925BBCZRL датащи(PDF) 25 Page - Analog Devices |
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AD9925BBCZRL датащи(HTML) 25 Page - Analog Devices |
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25 / 96 page  AD9925 Rev. A | Page 25 of 96 ed . . RESUME register is reached, at which point the signals will ontinue with any remaining toggle positions. Two sets of FREEZE/RESUME registers are provided, allowing the vertical utputs to be interrupted twice in the same line. The FREEZE nd RESUME positions are programmed in the vertical pattern roup registers, but are enabled separately using the VMASK gisters. The VMASK registers are described in the Vertical Sequences (VSEQ) section. Masking Using FREEZE/RESUME Registers As shown in Figure 33, the FREEZE/RESUME registers are us to temporarily mask the XV outputs. The pixel locations to begin the masking (FREEZE) and end the masking (RESUME) create an area in which the vertical toggle positions are ignored At the pixel location specified in the FREEZE register, the XV outputs will be held static at their current dc state, high or low The XV outputs are held until the pixel location specified by the c o a g re XV1 HD XV8 NO MASKING AREA Figure 32. No Vertical Masking XV1 XV8 HD NOTES 1. ALL TOGGLE POSITIONS WITHIN THE FREEZE/RESUME MASKING AREA ARE IGNORED. H-COUNTER CONTINUES TO COUNT DURING MASKING. 2. TWO SEPARATE MASKING AREAS ARE AVAILABLE FOR EACH VPAT GROUP, USING FREEZE1/RESUME1 AND FREEZE2/RESUME2 REGISTERS. MASKING AREA FOR XV1 TO XV8 FREEZE RESUME Figure 33. Vertical Masking Using the FREEZE/RESUME Registers |
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