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參數(shù)資料
| 型號(hào)： | HD407A4384 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
| 中文描述： | 低電壓如同在微機(jī)芯片的A / D轉(zhuǎn)換器（帶片上的A / D轉(zhuǎn)換器的低壓微計(jì)算機(jī)） |
| 文件頁(yè)數(shù)： | 60/162頁(yè) |
| 文件大?。?/td> | 482K |
| 代理商： | HD407A4384 |
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HD404374/HD404384/HD404389/HD404082/HD404084 Series
60
Input/Output
The MCU has 20 input/output pins (D
0
to D
9
, R0, R1
0
, R1
3
, R2
0
to
R2
2
, R7
0
to R7
3
). The features of these
pins are described below.
The four pins D
0
to D
3
are source large-current (10 mA max.) I/O pins.
The four pins D
4
to D
7
are sink large-current (15 mA max.) I/O pins.
I/O pins comprise pins (D
0
, R0
0
, R1
0
, R1
3
,
R2
0
to R2
2
, R7
0
to R7
3
) that also have a peripheral function
(timer, serial interface, etc.). With these pins, the peripheral function setting has priority over the D port
or R port pin setting. When a peripheral function setting has been made for a pin, the pin function and
input/output mode will be switched automatically in accordance with that setting.
Selection of input or output for I/O pins, or selection of the port or peripheral function for pins
multiplexed as peripheral function pins, is performed by the program.
All output of the peripheral function pins are CMOS outputs. The SO pin and R2
2
port pin can be
designated as NMOS open-drain output by the program.
A reset clears peripheral function selection. And since the data control registers (DCD, DCR) are also
reset, input/output pins go to the high-impedance state.
Each I/O pin has a built-in pull-up MOS that can be turned on and off individually by the program.
Figure 24 shows the I/O buffer configuration, and table 22 shows I/O pin circuit configuration control by
the program.
Table 23 shows the circuit configuration of each I/O pin.
Pull-up
MOS
Pull-up control signal
Buffer control signal
Output data
Input data
V
CC
PMOS
NMOS
Input control signal
MIS3
DCD, DCR
PDR
V
CC
Figure 24 I/O Pin Circuit Configuration
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD407A4389 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
| HD407C4374 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
| HD407C4384 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
| HD407C4389 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
| HD40A4082 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD407A4384FT | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD407A4384S | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD407A4389FT | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD407A4639R | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
| HD407A4639RF | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
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