PIC12F510/16F506
TABLE 3-3:
Name
RB0/AN0/C1IN+/ICSPDAT
PIN DESCRIPTIONS – PIC16F506
Function
RB0
Input Type
TTL
Output
Type
CMOS
Description
Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
ADC channel input.
Comparator 1 input.
In-Circuit Serial Programming data pin.
Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
ADC channel input.
Comparator 1 input.
In-Circuit Serial Programming clock pin.
Bidirectional I/O port.
ADC channel input.
Comparator 1 output.
Standard TTL input. Can be software programmed
for internal weak pull-up and wake-up from Sleep
on pin change.
MCLR input – weak pull-up always enabled in this
mode.
Programming voltage input.
Bidirectional I/O port. Can be software pro-
grammed for internal weak pull-up and wake-up
from Sleep on pin change.
XTAL oscillator output pin.
EXTRC/INTOSC CLKOUT pin (F
OSC
/4).
Bidirectional I/O port.
XTAL oscillator input pin.
EXTRC/EC Schmitt Trigger input.
Bidirectional I/O port.
Comparator 2 input.
Bidirectional I/O port.
Comparator 2 input.
Bidirectional I/O port.
Programmable Voltage Reference output.
Bidirectional I/O port.
Bidirectional I/O port.
Comparator 2 output.
Bidirectional I/O port.
Timer0 clock input.
Positive supply for logic and I/O pins.
Ground reference for logic and I/O pins.
AN0
C1IN+
ICSPDAT
RB1/AN1/C1IN-/ICSPCLK
RB1
AN
AN
ST
TTL
—
—
CMOS
CMOS
AN1
C1IN-
ICSPCLK
RB2/AN2/C1OUT
RB2
AN2
C1OUT
RB3/MCLR/V
PP
RB3
AN
AN
ST
TTL
AN
—
TTL
—
—
—
CMOS
—
CMOS
—
MCLR
V
PP
RB4/OSC2/CLKOUT
RB4
ST
HV
TTL
—
—
CMOS
OSC2
CLKOUT
RB5/OSC1/CLKIN
RB5
OSC1
CLKIN
RC0/C2IN+
RC1/C2IN-
RC2/CV
REF
RC3
RC4/C2OUT
RC5/T0CKI
V
DD
V
SS
RC0
C2IN+
RC1
C2IN-
RC2
CV
REF
RC3
RC4
C2OUT
RC5
T0CKI
V
DD
V
SS
—
—
TTL
XTAL
ST
TTL
AN
TTL
AN
TTL
—
TTL
TTL
—
TTL
ST
P
P
XTAL
CMOS
CMOS
—
—
CMOS
—
CMOS
—
CMOS
AN
CMOS
CMOS
CMOS
CMOS
—
—
—
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.
Preliminary
DS41268C-page 13
MICROCHIP [ MICROCHIP TECHNOLOGY ]
