參數(shù)資料
型號: HD66717A03TA0
廠商: Hitachi,Ltd.
元件分類: 晶體
英文描述: (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)
中文描述: (低功耗點(diǎn)陣液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 33/90頁
文件大小: 716K
代理商: HD66717A03TA0
HD66717
485
Scroll Control
The scroll control instruction (Figure 16) includes the SN and SL bits.
SN1, SN0:
Combined with the SN2 bit described in the Contrast Control section to select the top line to
be displayed (display-start line) through the data output from the COM1 pin (Table 13). After first five
lines are displayed from the top line, the cycle is repeated and scrolling continues.
Table 12
CT Bits and Variable Resistor Value of Contrast Adjuster
CT3
CT2
CT1
CT0
Variable Resistor Value (VR)
0
0
0
0
6.4 x R
0
0
0
1
6.0 x R
0
0
1
0
5.6 x R
0
0
1
1
5.2 x R
0
1
0
0
4.8 x R
0
1
0
1
4.4 x R
0
1
1
0
4.0 x R
0
1
1
1
3.6 x R
1
0
0
0
3.2 x R
1
0
0
1
2.8 x R
1
0
1
0
2.4 x R
1
0
1
1
2.0 x R
1
1
0
0
1.6 x R
1
1
0
1
1.2 x R
1
1
1
0
0.8 x R
1
1
1
1
0.4 x R
0
0
0
1
1
SN1 SN0 SL2 SL1 SL0
RS R/W DB7
DB0
Figure 16 Scroll Control Instruction
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