PIC12F510_13 Datasheet, PDF (15/124 Pages) Microchip Technology – 8/14-Pin, 8-Bit Flash Microcontrollers

PIC12F510/16F506
TABLE 3-3: PIN DESCRIPTIONS – PIC16F506
Name
Function Input Type
Output
Type
Description
RB0/AN0/C1IN+/ICSPDAT RB0
TTL
CMOS Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
AN0
AN
— ADC channel input.
C1IN+
AN
— Comparator 1 input.
ICSPDAT
ST
CMOS In-Circuit Serial Programming data pin.
RB1/AN1/C1IN-/ICSPCLK RB1
TTL
CMOS Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
AN1
AN
— ADC channel input.
C1IN-
AN
— Comparator 1 input.
ICSPCLK
ST
— In-Circuit Serial Programming clock pin.
RB2/AN2/C1OUT
RB2
TTL
CMOS Bidirectional I/O port.
AN2
AN
— ADC channel input.
C1OUT
—
CMOS Comparator 1 output.
RB3/MCLR/VPP
RB3
TTL
— Standard TTL input. Can be software programmed
for internal weak pull-up and wake-up from Sleep
on pin change.
MCLR
ST
— MCLR input – weak pull-up always enabled in this
mode.
VPP
HV
— Programming voltage input.
RB4/OSC2/CLKOUT
RB4
TTL
CMOS Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
OSC2
—
XTAL XTAL oscillator output pin.
CLKOUT
—
CMOS EXTRC/INTOSC CLKOUT pin (FOSC/4).
RB5/OSC1/CLKIN
RB5
TTL
CMOS Bidirectional I/O port.
OSC1
XTAL
— XTAL oscillator input pin.
CLKIN
ST
— EXTRC/EC Schmitt Trigger input.
RC0/C2IN+
RC0
TTL
CMOS Bidirectional I/O port.
C2IN+
AN
— Comparator 2 input.
RC1/C2IN-
RC1
TTL
CMOS Bidirectional I/O port.
C2IN-
AN
— Comparator 2 input.
RC2/CVREF
RC2
TTL
CMOS Bidirectional I/O port.
CVREF
—
AN Programmable Voltage Reference output.
RC3
RC3
TTL
CMOS Bidirectional I/O port.
RC4/C2OUT
RC4
TTL
CMOS Bidirectional I/O port.
C2OUT
—
CMOS Comparator 2 output.
RC5/T0CKI
RC5
TTL
CMOS Bidirectional I/O port.
T0CKI
ST
— Timer0 clock input.
VDD
VDD
P
— Positive supply for logic and I/O pins.
VSS
VSS
P
— Ground reference for logic and I/O pins.
Legend: I = input, O = output, I/O = input/output, P = power, — = Not Used, TTL = TTL input, ST = Schmitt Trigger
input, AN = Analog Voltage, HV = High Voltage
© 2007 Microchip Technology Inc.
DS41268D-page 13