HT9580 datasheet(61/63 Pages) HOLTEK

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The following subroutine will initiate the ²MC141803² LCD driver.

; ***************************

; * initial LCDM *

; ***************************

INI_LCDM:

LDA #01011001B

; MC141X series LCD driver

STA LCDCT

; enable LCD_CL, LCD_CL=32kHz

; LCD_CS0 (master) enable

LDA #76H

; normal operation

LCD_C

LDA #7BH

; set external clock

LCD_C

; feed clock in OSC2 from LCD_CL

LDA #7FH

; set oscillator enable

LCD_C

LDA #2BH

; set DC/DC converter on

LCD_C

LDA #2DH

; set internal regulator on

LCD_C

LDA #31H

; set internal contrast control on

LCD_C

LDA #2FH

; set internal voltage divider on

LCD_C

LDA #33H

; set 50kHz to get frame frequency

LCD_C

LDA #29H

; set display on

LCD_C

LDA #36H

; master clear GDDRAM

LCD_C

LDA #0H

; dummy write data

LCD_W

LDA #04H

; change to page 5 if want to clear icon line

LCD_C

LDA #37H

; master clear icons

LCD_C

LDA #0H

; dummy write data

LCD_W

LDA #3DH

; set display with icon line

HT9580

April 28, 2000

Preliminary

HT9580 데이터시트(PDF) 61 Page - Holtek Semiconductor Inc

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