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ST7032 Datasheet(PDF) 32 Page - Sitronix Technology Co., Ltd.

Part # ST7032
Description  Dot Matrix LCD Controller/Driver
PDF  63 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7032 Datasheet(HTML) 32 Page - Sitronix Technology Co., Ltd.

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ST7032
V1.4
2008/08/18
32/61
Ø
Initial Program Code Example For 8051 MPU(4 Bit Interface):
;-------------------------------------------------------------------
INITIAL_START:
CALL
HARDWARE_RESET
CALL
DELAY40mS
MOV
A,#38H
;FUNCTION SET
CALL
WRINS_ONCE
;8 bit, 5*7 dot
CALL
DELAY2mS
MOV
A,#38H
;FUNCTION SET
CALL
WRINS_ONCE
;8 bit, 5*7 dot
CALL
DELAY30uS
MOV
A,#38H
;FUNCTION SET
CALL
WRINS_ONCE
;8 bit, 5*7 dot
CALL
DELAY30uS
CALL
CHK_BUSY
MOV
A,#28H
;FUNCTION SET
CALL
WRINS_ONCE
; 4 bit, 5*7 dot
CALL
DELAY30uS
MOV
A,#29H
;FUNCTION SET
CALL
WRINS_CHK
; 4 bit N = 1, 5*7 dot
CALL
DELAY30uS
; IS = 1
MOV
A,#14H
;Internal OSC
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
DELAY200mS
;For power stable
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
.
.
.
.
.
;-------------------------------------------------------------------
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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