DSPIC33EP256MC502-E/SP

Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High performance, low power consumption, integrated peripherals
• Package: 28-pin SPDIP (Shrink Plastic Dual Inline Package)
• Essence: Digital Signal Controller (DSC) with enhanced features
• Packaging/Quantity: Single unit

Specifications

• Processor Core: dsPIC33E
• CPU Speed: Up to 70 MIPS
• Flash Memory: 256 KB
• RAM: 16 KB
• Operating Voltage Range: 2.5V to 3.6V
• Temperature Range: -40°C to +85°C
• Number of I/O Pins: 21
• Analog-to-Digital Converter (ADC): 10-bit, 16 channels
• Digital-to-Analog Converter (DAC): 12-bit, 4 channels
• Communication Interfaces: UART, SPI, I2C, CAN
• Timers: 16-bit and 32-bit timers
• PWM Channels: Up to 8
• Interrupt Sources: Multiple sources with configurable priority levels

Pin Configuration

The DSPIC33EP256MC502-E/SP microcontroller has a total of 28 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. AN0 - Analog input channel 0
4. AN1 - Analog input channel 1
5. AN2 - Analog input channel 2
6. AN3 - Analog input channel 3
7. AN4 - Analog input channel 4
8. AN5 - Analog input channel 5
9. AN6 - Analog input channel 6
10. AN7 - Analog input channel 7
11. AN8 - Analog input channel 8
12. AN9 - Analog input channel 9
13. AN10 - Analog input channel 10
14. AN11 - Analog input channel 11
15. AN12 - Analog input channel 12
16. AN13 - Analog input channel 13
17. AN14 - Analog input channel 14
18. AN15 - Analog input channel 15
19. VREF+ - Positive voltage reference for ADC
20. VREF- - Negative voltage reference for ADC
21. AVDD - Analog power supply voltage
22. AVSS - Analog ground
23. OSC1/CLKI - Oscillator input/Clock input
24. OSC2/CLKO - Oscillator output/Clock output
25. RP0/RB0 - Remappable pin 0/Port B, Pin 0
26. RP1/RB1 - Remappable pin 1/Port B, Pin 1
27. RP2/RB2 - Remappable pin 2/Port B, Pin 2
28. RP3/RB3 - Remappable pin 3/Port B, Pin 3

Functional Features

• High-performance digital signal processing capabilities
• Enhanced control features for real-time applications
• Integrated peripherals for easy interfacing with external devices
• Efficient power management for low power consumption
• Flexible communication interfaces for data exchange
• Rich set of timers and PWM channels for precise timing and control
• Multiple interrupt sources for handling time-critical events

Advantages and Disadvantages

Advantages: - High processing speed and performance - Low power consumption - Integrated peripherals reduce external component count - Wide operating voltage range allows flexibility in power supply - Extensive analog and digital I/O capabilities

Disadvantages: - Limited number of I/O pins compared to larger packages - Higher cost compared to lower-end microcontrollers - Requires knowledge of digital signal processing techniques for optimal utilization

Working Principles

The DSPIC33EP256MC502-E/SP is based on the dsPIC33E core, which combines a high-performance 16-bit microcontroller with a powerful digital signal processor (DSP). It executes instructions at up to 70 million instructions per second (MIPS) and provides advanced control features for real-time applications.

The microcontroller operates on a supply voltage range of 2.5V to 3.6V and incorporates various integrated peripherals such as ADC, DAC, UART, SPI, I2C, and CAN interfaces. These peripherals enable seamless communication with external devices and sensors.

The DSPIC33EP256MC502-E/SP also features a rich set of timers and PWM channels, allowing precise timing and control of connected devices. Multiple interrupt sources with configurable priority levels ensure efficient handling of time-critical events.

Detailed Application Field Plans

The DSPIC33EP256MC502-E/SP microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems for machinery, robotics, and process automation.
2. Automotive