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MTV212MN64 bảng dữ liệu(PDF) 11 Page - List of Unclassifed Manufacturers |
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MTV212MN64 bảng dữ liệu(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 26 page MYSON TECHNOLOGY MTV212M64i (Rev 0.9) Revision 0.9 - 11 - 2000/11/17 6.4 H/V Polarity Detect The polarity functions detect the input HSYNC/VSYNC high and low pulse duty cycle. If the high pulse duration is longer than that of the low pulse, the negative polarity is asserted; otherwise, positive polarity is asserted. The HPLchg interrupt is set when the Hpol value changes. The VPLchg interrupt is set when the Vpol value changes. 6.5 Output HBLANK/VBLANK Control and Polarity Adjust The HBLANK is the mux output of HSYNC, composite Hpulse and self-test horizontal pattern. The VBLANK is the mux output of VSYNC, CVSYNC and self-test vertical pattern. The mux selection and output polarity are S/W controllable. The VBLANK output is cut off when VSYNC frequency is over 200Hz. The HBLANK/VBLANK shares the output pin with P4.1/ P4.0. 6.6 Self-Test Pattern Generator For testing purposes, this generator can generate 4 display patterns, which are positive cross-hatch, negative cross-hatch, full white, and full black (showed as following figure). The HBLANK output frequency of the pattern can be chosen to 95.2KHz, 63.5KHz, 47.6KHz and 31.75KHz. The VBLANK output frequency of the pattern is 72Hz or 60Hz. It is originally designed to support monitor manufacturers to do burn-in test, or offer end-users a reference to check the monitor. The output STOUT of the generator shares the output pin with P4.2. Display Region Positive cross-hatch Negative cross-hatch Full white Full black |
Số phần tương tự - MTV212MN64 |
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Mô tả tương tự - MTV212MN64 |
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