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參數資料
| 型號： | W742C813 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4-BIT, MROM, 3.58 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, 2.75 MM HEIGHT, QFP-100 |
| 文件頁數： | 30/56頁 |
| 文件大小： | 455K |
| 代理商： | W742C813 |
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W742E/C813
- 30 -
Input/Output Pin of the P0
I/O PIN
P0.n
DATA
BUS
Buffer
Output
PM6.n
MOVA R,P0 instruction
MOV P0,R instruction
Enable
Enable
Figure 5-11 Architecture of P0 Input/Output pins
5.17.1 Port Mode 0 Register (PM0)
The port mode 0 register is organized as 4-bit binary register (PM0.0 to PM0.3). PM0 can be used to
determine the port structure; it is controlled by the
MOV PM0, #I
instruction. The bit description is as
follows:
PM0
w
w
w
0
1
2
w
3
Note: W means write only.
Bit 0 = 0 RA port is CMOS output type. Bit 0 = 1 RA port is NMOS open drain output type.
Bit 1 = 0 RB port is CMOS output type. Bit 1 = 1 RB port is NMOS open drain output type.
Bit 2 = 0 RC port pull-high resistor is disabled. Bit 2 = 1 RC port pull-high resistor is enabled.
Bit 3 = 0 RD port pull-high resistor is disabled. Bit 3 = 1 RD port pull-high resistor is enabled.
5.17.2 Port Mode 1 Register (PM1)
The port mode 1 register is organized as 4-bit binary register (PM1.0 to PM1.3). PM1 can be used to
control the input/output mode of port RA. PM1 is controlled by the
MOV PM1, #I
instruction. The bit
description is as follows:
PM1
w
w
w
0
1
2
w
3
Note: W means write only.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W742C814 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 BIT MICROCONTROLLER |
| W742C816 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| W742C818 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| W742C81A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
| W742CE811 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
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