Open16F877A is a PIC development board that features a PIC16F877A device as the microcontroller. It supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with PIC microcontroller.
What's On Board
PIC16F877A-I/P: the high performance PIC MCU which features:
Core: PIC 8-bit RISC
Operating Frequency: 20MHz Max
Operating Voltage: 2-5.5V
Memories: 14kB Flash, 368B RAM, 256B EEPROM
Communication Interfaces: 1 x MSSP(SPI/I2C), 1 x A/E/UART, 2 x PWM, 8 x ADC
Debugging/Programming: ICSP interfaces
AMS1117-3.3: 3.3V voltage regulator
LEDs: convenient for indicating I/O status and/or program running state
User keys: for I/O input test and/or program control
Joystick: five positions
4M crystal oscillator
16 I/Os interface | 8-bit AD interface
for connecting accessory boards which using I/O control, such as FT245 USB FIFO, 8 SEG LED, etc.
there's also 8-bit AD interface can be used for AD testing
8 I/Os interface: for connecting accessory boards which using I/O control, such as 8 Push Buttons, Motor, etc.
SPI interface: for connecting SPI peripherals, such as DataFlash (AT45DBxx), SD card, MP3, etc.
I2C interface: for connecting I2C peripherals, such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.
1-WIRE interface: for connecting 1-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
UART interface: for connecting UART peripherals, such as RS232, RS485, USB TO UART, etc.
PS/2 interface: for connecting PS/2 keyboard and/or mouse
Graphic multi-color LCD interface: for connecting 2.2 inch multi-color touch screen LCD which using SPI control
Character LCD interface: for connecting character LCD, such as LCD1602 (3.3V blue backlight)
5V DC jack
Custom crystal socket
VCC power input/output: usually used for power supply output, and/or common ground with other application board
MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion
ICSP interface: for debugging/programming
User keys jumper
VCC selection jumper
Crystal selection jumper
RA4 pull-up jumper
For jumper 26-32:
short the jumper to connect to I/Os used in example code;
open the jumper to connect to other custom pins via jumper wires.