ST7920 - Topwaydisplay.com
ST7920 - Topwaydisplay.com
ST7920 - Topwaydisplay.com
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<strong>ST7920</strong><br />
8- 位 元 介 面 時 序 圖<br />
• MPU 寫 資 料 到 <strong>ST7920</strong><br />
RS<br />
VIH1<br />
VIL1<br />
TAS<br />
TAH<br />
R/W<br />
TPW<br />
TAH<br />
E<br />
DB0-DB7<br />
TR<br />
TDSW<br />
Valid data<br />
TH<br />
TC<br />
• MPU 從 <strong>ST7920</strong> 讀 出 資 料<br />
RS<br />
R/W<br />
E<br />
DB0-DB7<br />
VIH1<br />
VIL1<br />
TR<br />
TAS<br />
TDDR<br />
TPW<br />
Valid data<br />
TAH<br />
TAH<br />
TH<br />
TC<br />
C3.0 36/47 2002/10/11
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