PIC12F1822 MICROCHIP [Microchip Technology], PIC12F1822 Datasheet - Page 120
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PIC12F1822
Manufacturer Part Number
PIC12F1822
Description
8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC12F1822.pdf
(398 pages)
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PIC12F/LF1822/16F/LF1823
12.2.2
Each PORTA pin is multiplexed with other functions. The
pins, their combined functions and their output priorities
are briefly described here. For additional information,
refer to the appropriate section in this data sheet.
When multiple outputs are enabled, the actual pin
control goes to the peripheral with the lowest number in
the following lists.
Analog input functions, such as ADC, comparator and
CapSense inputs, are not shown in the priority lists.
These inputs are active when the I/O pin is set for
Analog mode using the ANSELx registers. Digital
output functions may control the pin when it is in Analog
mode with the priority shown below.
RA0
1.
2.
3.
4.
5.
6.
7.
RA1
1.
2.
3.
4.
5.
RA2
1.
2.
3.
4.
DS41413A-page 120
ICSPDAT
ICDDAT
DACOUT (DAC)
MDOUT (PIC12F/LF1822 only)
TX/CK (EUSART)
SDO (PIC12F/LF1822 only)
P1B (PIC12F/LF1822 only)
ICSPCLK
ICDCLK
SCL (PIC12F/LF1822 only)
RX/DT (EUSART)
SCK (PIC12F/LF1822 only)
SRQ
C1OUT (Comparator)
SDA (PIC12F/LF1822 only)
CCP1/P1A (PIC12F/LF1822 only)
PORTA FUNCTIONS AND OUTPUT
PRIORITIES
Preliminary
RA3
No output priorities. Input only pin.
RA4
1.
2.
3.
4.
5.
6.
7.
RA5
1.
2.
3.
4.
5.
OSC2
CLKOUT
T1OSO
CLKR
TX/CK (PIC12F/LF1822 only)
SDO
P1B (PIC12F/LF1822 only)
OSC1
T1OSI (Timer1 Oscillator)
SRNQ (PIC12F/LF1822 only)
RX/DT (PIC12F/LF1822 only)
CCP1/P1A (PIC12F/LF1822 only)
2010 Microchip Technology Inc.
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