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參數資料
型號: W741E260
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT FLASH MICROCONTROLLER
中文描述: 4-BIT, FLASH, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 75/94頁
文件大小: 554K
代理商: W741E260
W741E260
Publication Release Date: March 1998
- 75 -
Revision A2
Instruction Set Table 2, continued
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. This command is just for the W741C260 body.
SCR bits decription:
Bit 0
Bit 1
Bit 2
= 0, Fosc=Fm
= 1, Fosc=Fs
Reserved
= 0, main oscillator is enabled
= 1, main oscillator is disabled
Bit 3
= 0, divider 1 is 14-stage
= 1, divider 1 is 13-stage
Set/Reset STOP mode waked-up Enable Flag for port RC
MOV SEF, #I
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
0
0
1
0
0
0
0
0
I3
I2
I1
I0
1
Set/reset STOP mode wake-up enable flag for port RC
The data specified by I cause a wake-up from the STOP mode. The falling-
edge signal on port RC can be specified independently.
I0~I7
I0 = 1
I1 = 1
I2 = 1
I3 = 1
Falling edge signal at port RC
RC0
RC1
RC2
RC3
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