參數(shù)資料
型號: S3C1850XX-SM
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO24
封裝: 0.375 INCH, SOP-24
文件頁數(shù): 84/89頁
文件大?。?/td> 323K
代理商: S3C1850XX-SM
REMOTE CONTROL TX. APPLICATION NOTE
S3C1840/C1850/C1860/P1860
7-34
;*********************************************
ORG
0500H
JPL
RESET
;*********************************************
TX
MOV
L,#9
; select farrier frequency
CLRB
P2.(L)
; 37.9 kHz, 1/3 duty
MOV
L,#0AH
; clear P2.9 & 2.10
CLRB
P2.(L)
SIGOUT
MOV
L,#CUS4
; custom code (c8-c11)
← #0
MOB
@HL+,#0
; if device is KS51910, c8
← #1
;;; output head pulse --------------------------------------------------
MOV
L,#0
; high for delay time 4.5 msec
SETB
P2.(L)
CALLL
D4_5
MOV
L,#0
CLRB
P2.(L)
; low for delay time 4.5 msec
CALLL
D4_5D
;;; output custom code (c0-c11) & data code (d0-d7)
MOV
L,#CUS0
; custom code (c0-c3)
CALLL
DATGEN
MOV
L,#CUS1
; custom code (c4-c7)
CALLL
DATGEN
MOV
L,#CUS4
; custom code (c8-c11)
CALLL
DATGEN
MOV
L,#DAT0
; data code (d0-d3)
CALLL
DATGEN
MOV
L,#DAT1_0
; data code (d4-d7)
CALLL
DATGEN
MOV
L,#1
DECS
L
JP
.-1
MOV
L,#0
; EOB (end of bit)
SETB
P2.(L)
; high for .56msec
CALLL
D_560F
MOV
L,#0
CLRB
P2.(L)
JPL
LOWCHEK
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