PIC18F4550 Pinguino

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Contents

Features

This version of the pinguino board is built with a Microchip PIC18F4550 chip. It works with a 20 MHz crystal and is USB 2.0 compatible.

The characteristics of this board are:

  • 29 digital input/output with 8 shared analog inputs,
  • UART for serial communications,
  • 2 fast PWM output ( 3000 Hz ),
  • 8 analog inputs.

Board overview

Image:PIC18F4550 diagram.png

Building Instructions

Bill Of Components

[TODO]

Construction

[TODO]

Pins

Pin name PCB Label Digital I/O up to 5.5V tolerant Analog input Other Pin on Chip Microchip name
0 D0YesYes SDA / SDI33RB0/AN12/INT0/FLT0/SDI/SDA
1 D1YesYes SCL / SCK34RB1/AN10/INT1/SCK/SCL
2 D2YesYes 35RB2/AN8/INT2/VMO
3 D3YesYes36RB3/AN9/CCP2(1)/VPO
4 D4YesYes37RB4/AN11/KBI0/CSSPP
5 D5YesYes38RB5/KBI1/PGM
6 D6YesYesICSP PGC 39RB6/KBI2/PGC
7 D7YesYesISCP PGD 40RB7/KBI3/PGD
8 D8YesYesSerial TX25RC6/TX/CK
9 D9YesYesSerial RX / SDO26RC7/RX/DT/SDO
10 D10YesYes15RC0/T1OSO/T13CKI
11 D11YesYesPWM16RC1/T1OSI/CCP2(1)/UOE
12 D12YesYesPWM17RC2/CCP1/P1A
13 D13 / A0YesYesYes2RA0/AN0
14 D14 / A1YesYesYes3RA1/AN1
15 D15 / A2YesYesYes4RA2/AN2/VREF-/CVREF
16 D16 / A3YesYesYes5RA3/AN3/VREF+
17 D17 / A4YesYesYes7RA5/AN4/SS/HLVDIN/C2OUT
18 D18 / A5YesYesYes8RE0/AN5/CK1SPP
19 D19 / A6YesYesYes9RE1/AN6/CK2SPP
20 D20 / A7YesYesYes10RE2/AN7/OESPP
21 D21YesYes19RD0/SPP0
22 D22YesYes20RD1/SPP1
23 D23YesYes21RD2/SPP2
24 D24YesYes22RD3/SPP3
25 D25YesYes27RD4/SPP4
26 D26YesYes28RD5/SPP5/P1B
27 D27YesYes29RD6/SPP6/P1C
28 D28YesYes30RD7/SPP7/P1D
29 D29YesYesRUN LED / USERLED6RA4/T0CKI/C1OUT/RCV
OSC1 13OSC1/CLKI
OSC2 14OSC2/CLKO/RA6
RESET RSTReset switch / ICSP MCLR 1MCLR/VPP/RE3
USB- USB23RC4/D-/VM
USB+ USB24RC5/D+/VP
Vusb USB18VUSB
VDD (up to 5.5V) 11VDD
VDD (up to 5.5V) 32VDD
VSS (Gnd) 12VSS
VSS (Gnd) 31VSS
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