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ST7036 Datasheet(PDF) 40 Page - Sitronix Technology Co., Ltd.

Part # ST7036
Description  Dot Matrix LCD Controller/Driver
PDF  70 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7036 Datasheet(HTML) 40 Page - Sitronix Technology Co., Ltd.

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ST7036
V1.7a
2007/10/17
40/70
Initial Program Code Example For 8051 MPU(4 Bit Interface):
;-------------------------------------------------------------------
INITIAL_START:
CALL
DELAY40mS
MOV
A,#30H
; FUNCTION SET
CALL
WRINS_ONCE ; 8 bit, DL = 1
CALL
DELAY2mS
MOV
A,#30H
; FUNCTION SET
CALL
WRINS_ONCE ; 8 bit, DL = 1
CALL
DELAY30uS
MOV
A,#30H
; FUNCTION SET
CALL
WRINS_ONCE ; 8 bit, DL = 1
CALL
DELAY30uS
CALL
CHK_BUSY
MOV
A,#20H
; FUNCTION SET
CALL
WRINS_ONCE ; 4 bit, DL = 0
CALL
DELAY30uS
MOV
A,#29H
; FUNCTION SET
CALL
WRINS_CHK
; 4 bit, DL = 0, N = 1,
CALL
DELAY30uS
; IS2 = 0, IS1 = 1
MOV
A,#14H
;bias
CALL
WRINS_CHK
CALL
DELAY30uS
MOV
A,#78H
;Contrast set
CALL
WRINS_CHK
CALL
DELAY30uS
MOV
A,#5EH
;Power/ICON/Contrast
CALL
WRINS_CHK
CALL
DELAY30uS
MOV
A,#6AH
;Follower control
CALL
WRINS_CHK
CALL
DELAY30uS
MOV
A,#0CH
;DISPLAY ON
CALL
WRINS_CHK
CALL
DELAY30uS
MOV
A,#01H
;CLEAR DISPLAY
CALL
WRINS_CHK
CALL
DELAY2mS
MOV
A,#06H
;ENTRY MODE SET
CALL
WRINS_CHK
CALL
DELAY30uS
;-------------------------------------------------------------------
MAIN_START:
XXXX
XXXX
XXXX
XXXX
;-------------------------------------------------------------------
WRINS_CHK:
CALL
CHK_BUSY
WRINS_NOCHK:
PUSH
A
ANL
A,#F0H
CLR
RS
;EX: Port 3.0
CLR
RW
;EX: Port 3.1
SETB
E
;EX: Port 3.2
MOV
P1,A
;EX:Port1=Data Bus
CLR
E
POP
A
SWAP
A
WRINS_ONCE:
ANL
A,#F0H
CLR
RS
CLR
RW
SETB
E
MOV
P1,A
CLR
E
MOV
P1,#FFH
;For Check Bus Flag
RET
;-------------------------------------------------------------------
CHK_BUSY:
;Check Busy Flag
PUSH
A
MOV
P1,#FFH
$1
CLR
RS
SETB
RW
SETB
E
MOV
A,P1
CLR
E
MOV
P1,#FFH
CLR
RS
SETB
RW
SETB
E
NOP
CLR
E
JB
A.7,$1
POP
A
RET



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