參數(shù)資料
型號(hào): S1C60N09D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC70
封裝: DIE-70
文件頁(yè)數(shù): 27/62頁(yè)
文件大?。?/td> 476K
代理商: S1C60N09D
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
S1C60N09 TECHNICAL MANUAL
EPSON
27
4.6.2 Switching between dynamic and static drive
The S1C60N09 Series provides software setting of the LCD static drive.
This function enables easy adjustment (cadence adjustment) of the oscillation frequency of the oscillation
circuit (crystal oscillation circuit).
The procedure for executing static drive of the LCD is as follows:
(1) Write "1" to register CSDC at address 078HD3.
(2) Write the same value to all registers corresponding to COM0–COM3 of the display memory.
Notes: Even when 1/3 duty is selected, COM3 is valid for static drive. However, the output frequency is
the same as for the frame frequency.
For cadence adjustment, set the display data corresponding to COM0–COM3, so that all the
LCDs light.
Figure 4.6.2.1 shows the drive waveform for static drive.
SEG
0–37
COM
0–3
Frame frequency
LCD lighting status
COM0
COM1
COM2
COM3
SEG0–37
-VDD
-VL1
-VL2
-VL3
-VDD
-VL1
-VL2
-VL3
-VDD
-VL1
-VL2
-VL3
Off
On
Fig. 4.6.2.1 LCD static drive waveform
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