40 Pin PIC Development Board
This prototype board serves as a versatile platform for developing and testing applications based on 40-pin PIC microcontrollers. The inclusion of a power supply circuit ensures stable operation, allowing the microcontroller to function effectively across various voltage levels, typically from 5V to 15V. This flexibility is crucial for prototyping, as it accommodates different configurations and requirements.
The 20MHz crystal oscillator circuit is integrated into the design to provide a precise clock signal, essential for the microcontroller's timing operations. The frequency of 20MHz is suitable for a wide range of applications, providing a balance between performance and power consumption.
An RS232 port is included for serial communication, allowing the microcontroller to interface with other devices, such as computers or other microcontrollers. This port facilitates data exchange and programming, making it easier to debug and monitor the system's performance during development.
The ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugging) programming ports are critical features that enable developers to program and debug the microcontroller without removing it from the circuit. This capability significantly enhances the development process, allowing for real-time updates and modifications to the firmware.
Overall, this prototype board is a comprehensive solution for engineers and developers looking to leverage the capabilities of 40-pin PIC microcontrollers in various applications, providing ample resources for analog-to-digital conversions and programming space for complex code implementations.If you need lots of Analog to Digital channels, or plenty of program space (up to 32K!), this one is for you! Prototype board for 40 pin PIC microcontrollers with power supply circuit, 20MHz crystal oscillator circuit, RS232 port, ICSP/ICD programming port.
🔗 External reference
Related Circuits
A flash memory schematic can be created using various reset sources, including power-on reset, external reset, software reset, watchdog timer reset, and brownout reset. The accompanying figure illustrates a recommended external reset circuit for the MSC1210, which includes a...
Finally I was able to control an LCD Hitachi display and a 12-key matrix keypad with only one 16F84 or 16F628. In a near future, I will be able to control a full QUERTY-type keyboard and a LCD display....
Each of these ways have their own advantages and disadvantages. The multiple transformer way is easy to start small and work up to only as many power supplies as you need. It does, however, get more expensive as the...
A 100 MHz frequency and period counter is constructed using the Intersil ICM7226B in a 40-pin DIP package. This circuit incorporates a CD4016 analog multiplexer to route the digital outputs back to the function input. The CD4016 operates as...
PIC18F4550 communication with a PC using USB HID class, Visual Basic communication. The PIC18F4550 microcontroller is designed to facilitate communication between embedded systems and personal computers through the USB Human Interface Device (HID) class. This microcontroller is equipped with a...
The following is one of the rare and significant documents at DigiBarn, the only known copy of the complete schematic specification for the 512K Macintosh Logic Board. Co-authored by Daniel Kottke, this design served as the foundation for the...