PS12001ARN-0 POWERTIP [Powertip Technology], PS12001ARN-0 Datasheet - Page 49

• Manufacturer Part Number: PS12001ARN-0
• Description: OUTLINE DIMENSION & BLOCK DIAGRAM
• Manufacturer: POWERTIP [Powertip Technology]

ST7066U
$" Initial Program Code Example For 8051 MPU(4 Bit Interface):
;-------------------------------------------------------------------
INITIAL_START:
;-------------------------------------------------------------------
MAIN_START:
V2.0
CALL
MOV
CALL
CALL
MOV
CALL
CALL
MOV
CALL
CALL
MOV
CALL
CALL
MOV
CALL
CALL
MOV
CALL
CALL
XXXX
XXXX
XXXX
XXXX
.
.
.
.
.
.
.
.
.
.
.
.
A,#06H
DELAY40mS
WRINS_ONCE
DELAY37uS
WRINS_NOCHK ;4 bit,N=1,5*7dot
DELAY37uS
WRINS_NOCHK ;4 bit,N=1,5*7dot
DELAY37uS
WRINS_CHK
DELAY37uS
WRINS_CHK
DELAY1.52mS
WRINS_CHK
DELAY37uS
A,#38H
A,#28H
A,#28H
A,#0FH
A,#01H
;ENTRY MODE SET
;8 bit,N=1,5*7dot
;FUNCTION SET
;FUNCTION SET
;FUNCTION SET
;CLEAR DISPLAY
;DISPLAY ON
26/42
;-------------------------------------------------------------------
WRINS_CHK:
WRINS_NOCHK:
WRINS_ONCE:
;-------------------------------------------------------------------
CHK_BUSY:
$1
RET
CALL
PUSH
ANL
CLR
CLR
SETB
MOV
CLR
POP
SWAP
ANL
CLR
CLR
SETB
MOV
CLR
MOV
RET
PUSH
MOV
CLR
SETB
SETB
MOV
CLR
MOV
CLR
SETB
SETB
NOP
CLR
JB
POP
A.7,$1
A,#F0H
A,#F0H
RS
RW
E
RS
RW
E
RS
E
RS
E
A
A
CHK_BUSY
P1,A
P1,A
P1,#FFH
P1,#FFH
A,P1
P1,#FFH
E
E
RW
E
RW
E
A
A
A
;EX:Port 3.0
;EX:Port 3.1
;EX:Port 3.2
;EX:Port1=Data Bus
;For Check Bus Flag
;Check Busy Flag
2001/03/01