DSPIC33EP256GP502-E/SP

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High performance, low power consumption, extensive peripheral set
• Package: 28-pin SPDIP (Shrink Dual Inline Package)
• Essence: Digital Signal Controller (DSC) with enhanced CPU performance and integrated peripherals
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Architecture: Modified Harvard architecture
• CPU Speed: Up to 70 MIPS (Million Instructions per Second)
• Flash Memory: 256 KB
• RAM: 16 KB
• Operating Voltage: 2.5V to 3.6V
• Operating Temperature: -40°C to +85°C
• Digital I/O Pins: 24
• Analog Input Channels: 12
• UART Modules: 4
• SPI Modules: 3
• I2C Modules: 2
• PWM Outputs: 9
• Timers: 5
• Comparators: 4
• ADC Resolution: 10-bit
• Package Dimensions: 0.600" x 0.300" (15.24mm x 7.62mm)

Detailed Pin Configuration

The DSPIC33EP256GP502-E/SP microcontroller has a total of 28 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. OSC1/CLKI - Oscillator input/Clock input
4. OSC2/CLKO - Oscillator output/Clock output
5. AN0 - Analog input channel 0
6. AN1 - Analog input channel 1
7. AN2 - Analog input channel 2
8. AN3 - Analog input channel 3
9. AN4 - Analog input channel 4
10. AN5 - Analog input channel 5
11. AN6 - Analog input channel 6
12. AN7 - Analog input channel 7
13. AN8 - Analog input channel 8
14. AN9 - Analog input channel 9
15. AN10 - Analog input channel 10
16. AN11 - Analog input channel 11
17. VREF- - Reference voltage negative terminal
18. VREF+ - Reference voltage positive terminal
19. AVSS - Analog ground
20. AVDD - Analog power supply voltage
21. RP0 - Remappable pin 0
22. RP1 - Remappable pin 1
23. RP2 - Remappable pin 2
24. RP3 - Remappable pin 3
25. RP4 - Remappable pin 4
26. RP5 - Remappable pin 5
27. RP6 - Remappable pin 6
28. RP7 - Remappable pin 7

Functional Features

• High-performance CPU with DSP capabilities
• Enhanced control peripherals for real-time applications
• Advanced analog features for precise measurements
• Flexible and extensive digital I/O capabilities
• Multiple communication interfaces (UART, SPI, I2C)
• PWM outputs for motor control and power regulation
• Timers and comparators for accurate timing and signal conditioning
• Integrated development tools and software libraries for ease of use

Advantages and Disadvantages

Advantages: - High processing power for demanding applications - Low power consumption for energy-efficient designs - Extensive peripheral set reduces external component count - Flexible pin remapping for easy PCB layout - Wide operating temperature range for harsh environments

Disadvantages: - Limited number of I/O pins compared to larger packages - Higher cost compared to lower-end microcontrollers - Steeper learning curve for beginners due to advanced features

Working Principles

The DSPIC33EP256GP502-E/SP operates on a modified Harvard architecture, combining the benefits of both Harvard and Von Neumann architectures. It features a high-performance CPU with Digital Signal Processing (DSP) capabilities, allowing efficient execution of complex algorithms.

The microcontroller integrates various peripherals such as UART, SPI, I2C, PWM, timers, and comparators, enabling it to handle a wide range of control and communication tasks. The advanced analog features, including 12-bit ADCs and reference voltage sources, ensure accurate measurements and precise control.

The DSPIC33EP256GP502-E/SP can be programmed using various development tools and software libraries provided by the manufacturer, facilitating the development process and reducing time-to-market.

Detailed Application Field Plans

The DSPIC33EP256GP502-E/SP is suitable for a wide range of applications, including but not limited to:

1. Industrial automation and control systems