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PS0801ARS-F Datasheet(PDF) 47 Page - Powertip Technology

Part # PS0801ARS-F
Description  OUTLINE DIMENSION & BLOCK DIAGRAM
PDF  65 Pages
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Manufacturer  POWERTIP [Powertip Technology]
Direct Link  http://www.powertip.com.tw
Logo POWERTIP - Powertip Technology

PS0801ARS-F Datasheet(HTML) 47 Page - Powertip Technology

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ST7066U
V2.0
2001/03/01
24/42
$" Initial Program Code Example For 8051 MPU(8 Bit Interface):
;---------------------------------------------------------------------------------
INITIAL_START:
CALL
DELAY40mS
MOV
A,#38H
;FUNCTION SET
CALL
WRINS_NOCHK ;8 bit,N=1,5*7dot
CALL
DELAY37uS
MOV
A,#38H
;FUNCTION SET
CALL
WRINS_NOCHK ;8 bit,N=1,5*7dot
CALL
DELAY37uS
MOV
A,#0FH
;DISPLAY ON
CALL
WRINS_CHK
CALL
DELAY37uS
MOV
A,#01H
;CLEAR DISPLAY
CALL
WRINS_CHK
CALL
DELAY1.52mS
MOV
A,#06H
;ENTRY MODE SET
CALL
WRINS_CHK
;CURSOR MOVES TO RIGHT
CALL
DELAY37uS
;---------------------------------------------------------------------------------
MAIN_START:
XXXX
XXXX
XXXX
XXXX
.
.
.
.
;---------------------------------------------------------------------------------
WRINS_CHK:
CALL
CHK_BUSY
WRINS_NOCHK:
CLR
RS
;EX:Port 3.0
CLR
RW
;EX:Port 3.1
SETB
E
;EX:Port 3.2
MOV
P1,A
;EX:Port 1=Data Bus
CLR
E
MOV
P1,#FFH
;For Check Busy Flag
RET
;---------------------------------------------------------------------------------
CHK_BUSY:
;Check Busy Flag
CLR
RS
SETB
RW
SETB
E
JB
P1.7,$
CLR
E
RET



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