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參數資料
型號: W741E201
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 MHz, MICROCONTROLLER, PDIP18
封裝: 0.300 INCH, PLASTIC, DIP-18
文件頁數: 58/84頁
文件大?。?/td> 541K
代理商: W741E201
Preliminary W741E20X
- 58 -
Instruction Set Table 2, continued
MOV PM3, #I
Set/Reset Port Mode 3 register
Machine Code:
Machine Cycle:
Operation:
Description:
0
1
0
1
0
1
1
0
0
0
0
0
I2
I1
I0
I3
1
Set/Reset Port mode 3 register
I0 is reserved.
I1 = 0: The port RE is used as the output of the internal parallel port RT.
I1 = 1: The port RE works as the serial input/output port.
I2 is reserved.
I3 = 0: Serial Tx rate = F
OSC
/2
I3 = 1: Serial Tx rate = F
OSC
/256
MOV PM4, #I
RC port independent Input/Output control
Machine Code:
Machine Cycle:
Operation:
Description:
0
0
1
1
0
1
1
1
0
0
0
0
I3
I2
I1
I0
1
RC port 4 pins input/output control is independent.
I0 = 0: RC.0 is output pin; I0 = 1: RC.0 is input pin.
I1 = 0: RC.1 is output pin; I1 = 1: RC.1 is input pin.
I2 = 0: RC.2 is output pin; I2 = 1: RC.2 is input pin.
I3 = 0: RC.3 is output pin; I3 = 1: RC.3 is input pin.
Default condition RC port is input mode (PM4 = 1111B).
MOV PM5, #I
RD port independent Input/Output control
Machine Code:
Machine Cycle:
Operation:
Description:
0
0
1
1
0
1
1
1
1
0
0
0
I3
I2
I1
I0
1
RD port 4 pins input/output control is independent.
I0 = 0: RD.0 is output pin; I0 = 1: RD.0 is input pin.
I1 = 0: RD.1 is output pin; I1 = 1: RD.1 is input pin.
I2 = 0: RD.2 is output pin; I2 = 1: RD.2 is input pin.
I3 = 0: RD.3 is output pin; I3 = 1: RD.3 is input pin.
Default condition RD port is input mode (PM5 = 1111B).
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