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ADE3800 bảng dữ liệu(PDF) 132 Page - STMicroelectronics

tên linh kiện ADE3800
Giải thích chi tiết về linh kiện  Analog LCD Display Engine for XGA and SXGA Resolutions with Embedded LVDS and RSDS Transmitters
PDF  138 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ADE3800 bảng dữ liệu(HTML) 132 Page - STMicroelectronics

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Scaler Equations
ADE3800
132/138
7
Scaler Equations
fSclk = 140 MHz, and Sclk_PR = 18AF
SCL_TRIGGER_DLY = InitTrigDelay;// wait 3 frames
wPtrMinPost = SCL_PTR_POST;
// feedback loop to tune trigger delay:
while ( !(8 < wPtrMinPost < 16) ) {// landing zone is (8, 16) & mid point is 12
wDiff = wPtrMinPost > (512 + 12) ? wPtrMinPost – (1024 + 12): wPtrMinPost - 12;
dwTriggerDelay = dwTriggerDelay + ((((xclk_freq / inclk_freq) * 3) * wDiff) / 2);
SCL_TRIGGER_DLY = max (dwTriggerDelay, 1);
// wait 2 frames for new trigger delay to take effect
wPtrMinPost = SCL_PTR_POST;
}
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