參數(shù)資料
型號(hào): S3P1860-DK
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, DIP-20
文件頁(yè)數(shù): 36/95頁(yè)
文件大?。?/td> 339K
代理商: S3P1860-DK
S3C1840/C1850/C1860/P1860
INSTRUCTION SET
5-13
SETB
P2.(L)
Binary Code:
0 0 0 0
1 1 0 1
Description:
This instruction sets the Port 2 bit addressed by register L without affecting any other bits in
the destination.
Operation:
P2.(L)
← 1
Flags:
SF : Set to one
SL : Unaffected
Example:
MOV
L,#0H
SETB
P2.(L)
; Set P2.0 to 1
CLRB
P2.(L)
Binary Code:
0 0 0 0
1 1 0 0
Description:
This instruction clears the Port 2 bit addressed by register L without affecting any other bits
in the destination.
Operation:
P2.(L)
← 0
Flags:
SF : Set to one
SL : Unaffected
Example:
MOV
L,#0H
CLRB
P2.(L)
; Clear P2.0 to 0
IN A,P0
Binary Code:
0 0 0 0
1 0 0 0
Description:
Data present on Port n is transferred (read) to the accumulator.
Operation:
(A)
← (Pn) (n = 0,1)
Flags:
SF : Set to one
SL : Unaffected
Example:
IN
A,P0
; Input port 0 data to Acc
MOV
L,A
CPNE
L,#3H
JP
OX
; Jump to OX if port 0 data
≠ 3H
JP
QP
; Jump to QP if port 0 data = 3H
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