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PIC12F629-I/SNVAO 参数 Datasheet PDF下载

PIC12F629-I/SNVAO图片预览
型号: PIC12F629-I/SNVAO
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 8-Bit, FLASH, 20MHz, CMOS, PDSO8]
分类和应用: 闪存微控制器
文件页数/大小: 136 页 / 1422 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC12F629/675  
FIGURE 3-1:  
BLOCK DIAGRAM OF GP0  
AND GP1 PINS  
Analog  
Input Mode  
3.3  
Pin Descriptions and Diagrams  
Each GPIO pin is multiplexed with other functions. The  
pins and their combined functions are briefly described  
here. For specific information about individual functions  
such as the comparator or the A/D, refer to the  
appropriate section in this Data Sheet.  
Data Bus  
D
Q
Q
VDD  
WR  
WPU  
CK  
Weak  
3.3.1  
GP0/AN0/CIN+  
GPPU  
RD  
WPU  
Figure 3-1 shows the diagram for this pin. The GP0 pin  
is configurable to function as one of the following:  
VDD  
• a general purpose I/O  
D
Q
Q
• an analog input for the A/D (PIC12F675 only)  
• an analog input to the comparator  
WR  
PORT  
CK  
I/O pin  
3.3.2  
GP1/AN1/CIN-/VREF  
D
Q
Q
Figure 3-1 shows the diagram for this pin. The GP1 pin  
is configurable to function as one of the following:  
WR  
TRISIO  
CK  
VSS  
Analog  
Input Mode  
• as a general purpose I/O  
RD  
TRISIO  
• an analog input for the A/D (PIC12F675 only)  
• an analog input to the comparator  
RD  
PORT  
• a voltage reference input for the A/D (PIC12F675  
only)  
D
Q
Q
Q
Q
D
CK  
WR  
IOC  
EN  
RD  
IOC  
D
EN  
Interrupt-on-Change  
RD PORT  
To Comparator  
To A/D Converter  
DS41190G-page 24  
2010 Microchip Technology Inc.