PIC16F54-E(2004) View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16F54-E Datasheet PDF : 90 Pages
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PIC16F5X
TABLE 2-1: PIC16F54 PINOUT DESCRIPTION
Name
Function
Input
Type
Output
Type
Description
RA0
RA1
RA2
RA3
RB0
RB1
RB2
RB3
RB4
RB5
RB6/ICSPCLK
RB7/ICSPDAT
T0CKI
RA0
TTL CMOS Bidirectional I/O pin
RA1
TTL CMOS Bidirectional I/O pin
RA2
TTL CMOS Bidirectional I/O pin
RA3
TTL CMOS Bidirectional I/O pin
RB0
TTL CMOS Bidirectional I/O pin
RB1
TTL CMOS Bidirectional I/O pin
RB2
TTL CMOS Bidirectional I/O pin
RB3
TTL CMOS Bidirectional I/O pin
RB4
TTL CMOS Bidirectional I/O pin
RB5
TTL CMOS Bidirectional I/O pin
RB6
TTL CMOS Bidirectional I/O pin
ICSPCLK ST
— Serial Programming Clock
RB7
TTL CMOS Bidirectional I/O pin
ICSPDAT ST CMOS Serial Programming I/O
T0CKI
ST
— Clock input to Timer0. Must be tied to VSS or VDD, if not in use, to
reduce current consumption.
MCLR/VPP
MCLR
ST
OSC1/CLKIN
OSC2/CLKOUT
VPP
OSC1
CLKIN
OSC2
HV
XTAL
ST
—
CLKOUT —
VDD
VDD Power
VSS
VSS
Power
Legend: I = input
O = output
ST = Schmitt Trigger input
— Active-low Reset to device. Voltage on the MCLR/VPP pin must
not exceed VDD to avoid unintended entering of Programming
mode.
— Programming voltage input
— Oscillator crystal input
— External clock source input
XTAL Oscillator crystal output. Connects to crystal or resonator in
Crystal Oscillator mode.
CMOS In RC mode, OSC2 pin can output CLKOUT, which has 1/4 the
frequency of OSC1.
— Positive supply for logic and I/O pins
— Ground reference for logic and I/O pins
I/O = input/output
— = Not Used
TTL = TTL input
CMOS = CMOS output
XTAL = Crystal input/output
HV = High Voltage
2004 Microchip Technology Inc.
DS41213C-page 9
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