;1 Setting of multi-function port of Hetai MCU
;2 Learning to control the output port operation of Hetai MCU
#INCLUDE HT66F50.INC
;=======================================================================================
ORG 0000H
JMP A1
ORG 0020H
A1:
MOV A,08H ;
MOV CP1C,A ;Set PC port as I/0 port instead of interrupt port
CLR PCC ;Set PC port as output port
A2: SET PC ;PC port outputs high level to light up LED
CALL M001 ;Delay
CLR PC ;PC port outputs low level to turn off LED
CALL M001 ;Delay
JMP A2 ;Return and execute repeatedly
;*********************************************
; Delay subroutine
;*****************************************
M001: MOV A,4
MOV [85H],A
M002: MOV A,200
MOV [86H],A
M003: MOV A,250
MOV [87H],A
M004: SDZ [87H]
JMP M004
SDZ [86H]
JMP M003
SDZ [85H]
JMP M002
RET
END
Readers can also refer to Hetai's Thunderbolt Light Program: http://www.51hei.com/mcu/1348.html There are also several HOLTEK MCU programs that have passed the test.
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Design paper of dot matrix electronic display screen
*** *** *** *** *** *** ***** ** Two wire/I2C Bus READ/WRITE Sample Routines of Microchip s ** 2
CLC412A8L-2A
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Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
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