參數(shù)資料
型號(hào): ML87V3104
廠(chǎng)商: OKI ELECTRIC INDUSTRY CO LTD
元件分類(lèi): 顯示控制器
英文描述: 2048 X 1024 DOTS DOT MAT LCD DSPL CTLR, PQFP100
封裝: PLASTIC, TQFP-100
文件頁(yè)數(shù): 13/69頁(yè)
文件大小: 474K
代理商: ML87V3104
FEDL87V3104-02
OKI Semiconductor
ML87V3104
20/69
3.1.6 Calculation of the frame rate
The frame rate (the frame frequency) is determined by the periods of the LCD panel driving signals LCP and FRP,
the clock frequency, and the LCD driving mode.
Frame rate = FXOSC/{(FRPCYC)
× (LCPCYC) × (TPX)}
Where,
FXOSC : External input clock frequency,
FRPCYC : Period (in units of a line) of the FRP (frame pulse) signal,
LCPCYC : Period (in units of a pixel) of the LCP (line pulse) signal,
TPX : TPX = 3/4 in the case of a color STN type LCD and TPX = 1 in all other cases.
Example:
What is the input clock frequency for making the frame rate equal to 150 Hz in the case
of a color STN QVGA (320
× 240) type LCD panel?
FRPCYC = 240 + 2 = 242
LCPCYC = 320 + 40 = 360
FXOSC = 150
× 242 × 352 × 3/4 = 9.8 MHz
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