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參數資料
型號: W741C260
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT Microcontroller(多次可編程4位的微控制器)
中文描述: 4-BIT, MROM, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 68/92頁
文件大小: 488K
代理商: W741C260
W741C260
- 68 -
Instruction set table 2, continued
MOV PM2, #I
RB port independent Input/Output control
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
0
1
1
1
1
0
0
0
I3
I2
I1
I0
1
Input/output control of 4 RB port pins is independent.
I0 = 0: RB.0 is output pin; I0 = 1: RB.0 is input pin.
I1 = 0: RB.1 is output pin; I1 = 1: RB.1 is input pin.
I2 = 0: RB.2 is output pin; I2 = 1: RB.2 is input pin.
I3 = 0: RB.3 is output pin; I3 = 1: RB.3 is input pin.
Default condition RB port is input mode (PM2 = 1111B).
MOV R, ACC
Move ACC contents to R
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
1
0
0
1
1
R6
R5
R4
R3
R2
R1
R0
1
R
(ACC)
The contents of the ACC are loaded to the data memory location
addressed by R6 to R0.
MOVA R, RA
Input RA port data to ACC & R
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
1
0
1
1
0
1
1
0
R6
R5
R4
R3
R2
R1
R0
1
ACC , R
[RA]
The data on port RA are loaded into the data memory location addressed
by R6 to R0 and the ACC.
ZF
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