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STC12LE5616AD Datasheet(PDF) 46 Page - STCmicro Technology Co,.Ltd

Part # STC12LE5616AD
Description  Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard 8051.
PDF  377 Pages
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Manufacturer  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC12LE5616AD Datasheet(HTML) 46 Page - STCmicro Technology Co,.Ltd

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delay_loop:
DJNZ
R0,
delay_loop
DJNZ
R1,
delay_loop
DJNZ
R2,
delay_loop
RET
main:
MOV
R3,
#0
;P1 LED increment mode changed
;start to run program
main_loop:
MOV
A,
R3
CPL
A
MOV
P1,
A
ACALL delay
INC
R3
MOV
A,
R3
SUBB
A,
#18H
JC
main_loop
MOV
P1,
#0FFH
;close all LED, MCU go into power-down mode
CLR
IT0
;low electrical level trigger external interrupt 0
;
SETB
IT0
;negative edge trigger external interrupt 0
SETB
EX0
;enable external interrupt 0
CLR
IT1
;low electrical level trigger external interrupt 1
;
SETB
IT1
;negative edge trigger external interrupt 1
SETB
EX1
;enable external interrupt 1
SETB
EA
;set the global enable
;if don't so, power-down mode cannot be wake up
;MCU will go into idle mode or power-down mode after the following instructions
MOV
PCON, #00000010B
;Set PD bit, power-down mode (PD = PCON.1)
;
NOP
;
NOP
;
NOP
;
MOV
PCON, #00000001B
;Set IDL bit, idle mode (IDL = PCON.0)
MOV
P1,
#0DFH
;1101,1111
NOP
NOP
NOP
WAIT1:
SJMP
WAIT1
;dynamically stop
END
46



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