參數資料
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: 68/89頁
文件大?。?/td> 323K
代理商: S3C1850XX-SM
S3C1840/C1850/C1860/P1860
REMOTE CONTROL TX. APPLICATION NOTE
7-19
A
RESET
Port 0 = #0FH
N_INP0
Port 0
N_INP1
#0FH
L
N_INP0
Port 1 = #0FH
A
A + #1
Overflow?
A
A - #1
N_INP0
A
N_OUTP
O_OUTP
N_OUTP = O_INP0
N_INP0
O_INP0
N_INP0 = O_INP0
N_INP1
O_INP1
N_INP1 = O_INP1
DEBOCNT
#2
CONKEY
#0
KFLG
#1
Port 1 = #0FH
N_INP0
#0FH
N_INP1
Port 1
L
N_INP1
A
A + #1
Overflow?
A
A - #1
N_INP1
A
a
NORMAL
RESET
Key In:
Port 0:
; Double Key
DBCOMP:
;Key input setting
SETKEY:
;New key &
debounce time
setting
;Compare old data to new data
; Double Key
; NO KEY
Port 1:
; Check the end
of debounce time
INCS N_OUTP
a
N_OUTP = #8
KFLG = #1
P3.3
High
DECS DEBOCNT
DEBOCNT = #0
RET
RESET
MAIN
STROBE
Normal:
No Key
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Keycheck
Yes
FSTKEY:
Figure 7-12. Program Flowchart 3
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