參數(shù)資料
型號: W741C250
英文描述: 4-Bit Microcontroller
中文描述: 4位微控制器
文件頁數(shù): 80/88頁
文件大小: 449K
代理商: W741C250
W741C250
- 80 -
Instruction Set Table 2, continued
SET PMF, #I
Set ParaMeter Flag
Machine Code:
Machine Cycle:
Operation:
Description:
0
0
0
1
0
1
1
0
0
0
0
0
I3
I2
I1
I0
1
Set Parameter Flag
Description of each flag:
I0, I1, I2 : Reserved
I3 = 1 : The input clock of the watchdog timer is Fosc/16384.
SHLC R
SHift Left R with CF and LSB = 0
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
1
0
0
1
1
0
0
0
R6
R5
R4
R3
R2
R1
R0
1
ACC.n, R.n
R.n-1; ACC.0, R.0
0; CF
R.3
The contents of the ACC and the data memory location addressed by R6 to
R0 are shifted left one bit, but bit 3 is shifted into CF, and bit 0 (LSB) is
replaced with "0." The same contents are loaded into the ACC.
CF & ZF
SHRC R
SHift Right R with CF and MSB = 0
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
1
0
0
1
1
0
1
0
R6
R5
R4
R3
R2
R1
R0
1
ACC.n, R.n
R.n+1; ACC.3, R.3
0; CF
R.0
The contents of the ACC and the data memory location addressed by R6 to
R0 are shifted right one bit, but bit 0 is shifted into CF, and bit 3 (MSB) is
replaced with "0." The same contents are loaded into the ACC.
CF & ZF
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