DSPIC33EV256GM002-I/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 advanced features
• Packaging/Quantity: Single package

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 - 3.6V
• Operating Temperature: -40°C to +85°C
• Communication Interfaces: UART, SPI, I2C, CAN
• Analog-to-Digital Converter (ADC): 10-bit, up to 24 channels
• Pulse Width Modulation (PWM): Up to 8 channels
• Timers: Multiple timers/counters
• Clock Speed: Up to 70 MHz

Pin Configuration

The DSPIC33EV256GM002-I/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. RA0/AN0 - General-purpose I/O/Analog input
6. RA1/AN1 - General-purpose I/O/Analog input
7. RA2/AN2 - General-purpose I/O/Analog input
8. RA3/AN3 - General-purpose I/O/Analog input
9. RA4/AN4 - General-purpose I/O/Analog input
10. RA5/AN5 - General-purpose I/O/Analog input
11. RA6/AN6 - General-purpose I/O/Analog input
12. RA7/AN7 - General-purpose I/O/Analog input
13. RB0/INT0 - General-purpose I/O/External interrupt input
14. RB1/INT1 - General-purpose I/O/External interrupt input
15. RB2/INT2 - General-purpose I/O/External interrupt input
16. RB3/INT3 - General-purpose I/O/External interrupt input
17. RB4/INT4 - General-purpose I/O/External interrupt input
18. RB5/INT5 - General-purpose I/O/External interrupt input
19. RB6/INT6 - General-purpose I/O/External interrupt input
20. RB7/INT7 - General-purpose I/O/External interrupt input
21. VCAP - External capacitor connection for internal voltage regulator
22. AVDD - Analog power supply voltage
23. AVSS - Analog ground
24. PGD - Programming/Data pin
25. PGC - Programming/Clock pin
26. MCLR - Master Clear (Reset) pin
27. VUSB - USB power supply voltage
28. VUSB3V3 - USB 3.3V output

Functional Features

• High-performance digital signal processing capabilities
• Integrated peripherals for enhanced functionality
• Low power consumption for energy-efficient applications
• Wide operating voltage and temperature range for versatility
• Multiple communication interfaces for connectivity options
• Flexible analog-to-digital conversion and pulse width modulation capabilities
• Abundant memory resources for data storage and program execution
• Extensive timer/counters for precise timing control

Advantages and Disadvantages

Advantages: - High performance for demanding applications - Integrated peripherals reduce external component count - Low power consumption extends battery life - Wide operating range allows for various environments - Abundant memory resources enable complex programs - Flexible communication interfaces enhance connectivity

Disadvantages: - Limited number of I/O pins (28 in this case) - Higher cost compared to simpler microcontrollers - Steeper learning curve due to advanced features

Working Principles

The DSPIC33EV256GM002-I/SP operates based on a modified Harvard architecture, which separates program and data memory. It utilizes a central processing unit (CPU) that can execute up to 70 million instructions per second (MIPS). The microcontroller incorporates integrated peripherals such as UART, SPI, I2C, and CAN for communication purposes. It also features an analog-to-digital converter (ADC) for precise analog signal measurements and pulse width modulation (PWM) for controlling output signals. The microcontroller's working principle involves executing instructions stored in its flash memory, interacting with external devices through its I/O pins, and utilizing its integrated peripherals to perform specific tasks.

Detailed Application Field Plans

The DSPIC33EV256GM002-I/SP microcontroller finds applications in various fields, including but