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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: 71/92頁
文件大小: 488K
代理商: W741C260
W741C260
Publication Release Date: March 1998
- 71 -
Revision A3
Instruction Set Table 2, continued
MOV RB, R
Output R contents to RB port
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
1
0
1
0
1
R6
R5
R4
R3
R2
R1
R0
1
[RB]
(R)
The contents of the data memory location addressed by R6 to R0 are
output to the port RB.
MOV RE, R
Output R contents to port RE
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
1
1
1
0
0
R6
R5
R4
R3
R2
R1
R0
1
[RE]
(R)
The contents of the data memory location addressed by R6 to R0 are
output to port RE.
MOV SCR, #I
System Clock Register control
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
0
1
0
0
0
0
0
0
I3
I2
I1
I0
1
System clock control
If the operation mode is the dual clock operation selected by the option
codes, the system clock and oscillator can be arranged by controlling the
system clock register.
SCR bits decription:
Bit 0
Bit 1
Bit 2
= 0, Fosc = Fm
= 1, Fosc = Fs
= 0, main oscillator is enabled
= 1, main oscillator is disabled
Reserved
Bit 3
= 0, divider 1 is 14-stage
= 1, divider 1 is 13-stage
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