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参数资料
| 型号： | MSM6665-XX |
| 厂商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分类： | 显示控制器 |
| 英文描述： | 17 X 80 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC117 |
| 封装： | 6.05 X 4.98 MM, ALUMINIUM PAD, DIE-117 |
| 文件页数： | 8/32页 |
| 文件大小： | 364K |
| 代理商： | MSM6665-XX |
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OKI Semiconductor
MSM6665-xx
FEDL6665-04
Method of Calculating Various Types of Frequencies
Original Clock Frequency and Blink Frequency
Blink cycle calculation
([Original clock cycle] x 5) x 214 = Blink cycle ............................................. Formula 1
From formula 1, the blink frequency can be calculated.
Example) When the original clock is 80kHz:
Clock cycle Ts=12.5 [
s]
From formula 1,
Blink cycle Tb=(12.5 x 10-6 x 5) x 214 = 1.024 [s]
Thus,
Blink frequency = 1 [Hz]
Original Clock Frequency and Frame Frequency
Frame cycle calculation
1/9 DUTY: (Original clock cycle) x 1152 = Frame cycle ............................. Formula 2
1/17 DUTY: (Original clock cycle) x 1088 = Frame cycle ........................... Formula 3
From formulas 2 and 3, the frame frequency can be calculated.
Example) In the original clock 80kHz and 1/17 DUTY specifications:
Clock cycle Ts=12.5 [
s]
From formula 3,
Frame cycle Tf=12.5 x 10-6 x 1088 = 13.6 [ms]
Thus,
Frame frequency = 73.5 [Hz]
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