Datasheet

Table Of Contents
© 2008 Microchip Technology Inc. DS41319B-page 11
PIC12F519
TABLE 3-2: PIC12F519 PINOUT DESCRIPTION
Name Function Type Input Type Output Type Description
GP0/ICSPDAT GP0 I/O TTL CMOS Bidirectional I/O port with weak pull-up
ICSPDAT I/O ST CMOS ICSP™ mode Schmitt Trigger
GP1/ICSPCLK GP1 I/O TTL CMOS Bidirectional I/O port with weak pull-up
ICSPCLK I ST ICSP™ mode Schmitt Trigger
GP2/T0CKI GP2 I/O TTL CMOS Bidirectional I/O port
T0CKI I ST Timer0 clock input
GP3/MCLR
/VPP GP3 I TTL Standard TTL input with weak pull-up
MCLR ISTMCLR input (Weak pull-up always enabled in
this mode)
V
PP I High Voltage Test mode high voltage pin
GP4/OSC2 GP4 I/O TTL CMOS Bidirectional I/O port
OSC2 O XTAL XTAL oscillator output pin
GP5/OSC1/
CLKIN
GP5 I/O TTL CMOS Bidirectional I/O port
OSC1 I XTAL XTAL oscillator input pin
CLKIN I ST EXTRC Schmitt Trigger input
V
DD 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