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SH79F166AP044PR Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part # SH79F166AP044PR
Description  Enhanced 8051 microcontroller with 10-bit ADC
PDF  113 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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SH79F166AP044PR Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

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SH79F166A
6
5.
引脚描述
引脚命名
类型
说明
I/O端口
P0.0 - P0.7
I/O
8位双向I/O端口
P1.0 - P1.7
I/O
8位双向I/O端口
P2.0 - P2.7
I/O
8位双向I/O端口
P3.0 - P3.7
I/O
8位双向I/O端口
P4.0 - P4.4
I/O
5位双向I/O端口
P5.0 - P5.3
I/O
4位双向I/O端口
定时器
T2
I/O
定时器2外部输入/波特率时钟输出
T3
I
定时器3外部输入
T4
I/O
定时器4外部输入/比较输出
T2EX
I
定时器2重载/捕捉/方向控制
PWM控制器
PWM0
O
12位PWM定时器输出引脚
PWM01
O
与PWM0有固定相位关系的12位PWM定时器输出引脚
FLT
I
PWM故障检测输入引脚
EUART
RXD
I
EUART0数据输入引脚
TXD
O
EUART0数据输出引脚
ADC
AN0 - AN7
I
ADC输入通道
AVREF
I
ADC外部参考电压引脚
LCD控制器
COM1 - COM8
O
LCD显示COM信号输出引脚
SEG1 - SEG19
O
LCD显示Segment信号输出引脚
LED驱动器
LED_C1 - LED_C8
O
LED显示COM信号输出引脚
LED_S1 - LED_S8
O
LED显示Segment信号输出引脚
中断&复位&时钟&电源
INT0 - INT3
I
外部中断0 - 3
INT40 - INT43
I
外部中断40 - 43
RST
————
I
该引脚上保持10µs以上的低电平，CPU将复位。由于有内建3
0kΩ上拉电阻
连接到VDD，所以仅接一个外部电容即可实现上电复位。
XTAL1
I
谐振器输入
XTAL2
O
谐振器输出
XTALX1
I
谐振器X输入
XTALX2
O
谐振器X输出
VSS
P
接地
VDD
P
电源（2.0 - 5.5V）



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