参数资料
型号: RFPIC12F675K-E/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数: 39/123页
文件大小: 5438K
代理商: RFPIC12F675K-E/SS
rfPIC12F675
DS70091A-page 20
Preliminary
2003 Microchip Technology Inc.
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.
3.3.1
GP0/AN0/CIN+
Figure 3-1 shows the diagram for this pin. The GP0 pin
is configurable to function as one of the following:
a general purpose I/O
an analog input for the A/D
an analog input to the comparator
3.3.2
GP1/AN1/CIN-/VREF
Figure 3-1 shows the diagram for this pin. The GP1 pin
is configurable to function as one of the following:
as a general purpose I/O
an analog input for the A/D
an analog input to the comparator
a voltage reference input for the A/D
FIGURE 3-1:
BLOCK DIAGRAM OF GP0
AND GP1 PINS
I/O pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
V
DD
D
EN
Q
D
EN
Q
Weak
Data Bus
WR
WPU
RD
WPU
RD PORT
RD
PORT
WR
PORT
WR
TRISIO
RD
TRISIO
WR
IOC
RD
IOC
Interrupt-on-Change
To Comparator
To A/D Converter
Analog
Input Mode
GPPU
Analog
Input Mode
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