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參數(shù)資料
| 型號： | S1C6N3B0D0A0100 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, UUC54 |
| 封裝： | DIE-54 |
| 文件頁數(shù)： | 36/79頁 |
| 文件大?。?/td> | 606K |
| 代理商： | S1C6N3B0D0A0100 |
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S1C6N3B0 TECHNICAL MANUAL
EPSON
33
CHAPTER 4: PERIPHERAL CIARCUITS AND OPERATION (LCD Driver)
4.6.2 Switching between dynamic and static drive
The S1C6N3B0 Series allows software setting of the LCD static drive.
The procedure for executing of the LCD static drive is as follows:
Write "1" to the CSDC register at address "0FBH D3".
Write the same value to the display memory corresponding to COM0–COM3.
Note: Even when l/3 duty is selected, the display data corresponding to COM3 is valid for static drive.
Hence, for static drive, set the same value to all display memory corresponding COM0–COM3.
Figure 4.6.2.1 shows the drive waveform for static drive.
SEG
0–25
(19)
COM
0–3
Frame frequency
LCD status
COM0
COM1
COM2
COM3
SEG0–25(19)
–V
Off
On
C3
C2
C1
SS
–V
C3
C2
C1
SS
–V
C3
C2
C1
SS
Fig. 4.6.2.1 LCD static drive waveform
4.6.3 Display control
The ALLOFF register is provided to turn all the LCD dots off. At initial reset, the ALLOFF register is set
to "1" and the LCD display goes off because the contents of the display memory are undefined. To start
display, write "0" to the ALLOFF register after writing display data to the display memory. In the LCD all-
off status, the OFF waveform shown in Figure 4.6.2.1 is output.
Similarly, the ALLON register is also provided to turn all the LCD dots on. This register allows the
software to control blinking in the display. In the LCD all-on status, the ON waveform shown in Figure
4.6.2.1 is output.
These controls do not affect display memory data.
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