Overview
DPSIC33EP128GP506T-I/PT is a 16-bit high-performance digital signal controller ( DSC ) launched by Microchip, which combines DPSIC-level signal processing capabilities with the programmability of microcontrollers and is designed for embedded control, power conversion, motor control, industrial automation and other fields. Based on the enhanced DPSIC33E architecture, the device has a processing performance of up to 70 MIPS, rich analog and digital peripheral integration, and powerful communication capabilities to meet the real-time, precision and reliability requirements of complex embedded systems.
Core parameters
parameter | value |
Kernel architecture | DPSIC33E (16-bit, Harvard architecture) |
Main frequency performance | Up to 70 MIPS |
Flash program memory | 128 KB (Erase and Write supported) |
SRAM Data Memory | 16 KB |
EEPROM emulation | 1024 bytes |
Operation unit | Single-cycle multiplier, 16×16 hardware multiply-accumulate unit (MAC) |
ADC | 12-bit ADC, 28 channels, with sample-and-hold |
Comparator/Operational Amplifier | Built-in 3 analog comparators |
PWM Module | Advanced 6-channel PWM with dead-band control |
Communication interface | 3 × UART, 2 × SPI, 2 × I²C, 1 × CAN |
Timer | Multiple 16-bit/32-bit timers |
I/O pins | Up to 85 (programmable multiplexing) |
Package Type | TQFP-64 (PT package) |
Operating temperature range | –40°C to +85°C (Industrial Grade I) |
Comply with standards | RoHS, lead-free, in compliance with environmental regulations |
Features
Powerful DPScomputing capability
It supports single-cycle multiplication and 16×16-bit MAC operations , and can efficiently perform digital signal processing tasks such as filtering, PID control, and FFT.
Rich communication interfaces, suitable for networked control systems
Provides multiple UART, SPI, I²C, and CAN interfaces to easily connect to sensors, actuators, human-machine interfaces, and communication modules.
High-performance analog peripheral integration
Includes multi-channel 12-bit ADC, comparator and programmable gain amplifier for precision analog signal acquisition and conditioning.
Flexible PWM control and motor support
The 6-channel PWM with dead-band control is suitable for BLDC, stepper motor and inverter systems, and supports advanced vector control algorithms.
High reliability and real-time response
Built-in watchdog, undervoltage detection and multi-level interrupt mechanism ensure the stable operation of the system in complex environments.
Highly integrated, saving space and cost
The multi-functional module is integrated into one, reducing the need for external chips and is suitable for small-volume, cost-effective product design.
Typical application scenarios
Industrial Motor Control Systems
Includes closed-loop control of permanent magnet synchronous motors (PMSM), brushless DC motors (BLDC), and induction motors.
Digital Power Supplies and Voltage Converters
Such as digital control in DC-DC controllers, PFC circuits, and solar inverters.
High-precision sensor acquisition platform
Integrated ADC and digital filter for analog signal processing such as pressure, temperature, humidity, flow, etc.
Communication interface gateway and control node
Used for CAN and Modbus nodes in industrial automation, smart grid and building control.
Medical and portable equipment
Realize low power consumption, high precision data acquisition and front-end control functions.
Comparative advantage analysis
characteristic | DPSIC33EP128GP506T-I/PT | Traditional PIC16 MCUs |
Architecture Performance | 16-bit, Harvard architecture | 8-bit, von Neumann architecture |
Computing power | 70 MIPS + DSP instruction set | < 5 MIPS, lacks MAC |
Simulation function | Multi-channel 12-bit ADC, comparator | 10-bit ADC, simple analog module |
Communication interface | UART/SPI/I2C/CAN full support | Usually only 1~2 communication interfaces |
Motor control function | Advanced PWM + Dead-band Control | Basic PWM, no advanced control |
Application Areas | Industrial, medical, power control | Basic control and logic processing |
Manufacturer Profile: Microchip Technology
Microchip is a leading global supplier of embedded control solutions. Its DPSIC series combines the high-speed computing of DPSIC with the control logic of MCU, and is widely used in industrial and power applications that require real-time response and high-precision control. As the main model, DPSIC33EP128GP506T balances performance, peripherals, power consumption and price.
Why choose DPSIC33EP128GP506T-I/PT?
● 70 MIPS high-speed core, meeting the dual needs of control + signal processing
● Built-in 128KB Flash and 16KB RAM, sufficient program capacity
● Support multi-protocol communication, adapt to complex embedded network applications
● With high-precision ADC and rich PWM channels, it is a powerful tool for motor control applications
● Industrial-grade reliability, adapting to harsh operating environments
● RoHS compliance, long-term supply, suitable for mass production
Frequently Asked Questions (FAQ)
Q1: Does the chip support floating-point operations?
It does not support hardware floating-point units (FPUs). The chip is a microcontroller based on a fixed-point architecture and does not integrate a dedicated floating-point hardware accelerator, but can implement floating-point operations by calling software libraries through the compiler. It should be noted that software floating-point calculations are relatively inefficient in terms of resource usage and calculation speed, which may affect real-time or power consumption performance. Therefore, for performance-sensitive applications, it is recommended to use fixed-point algorithms such as Q15 and Q31 to replace floating-point operations as much as possible to optimize execution efficiency and resource utilization.
Q2: Can I use MPLAB X IDE for development?
Yes. This chip is fully compatible with Microchip’s MPLAB X IDE development environment. It is recommended to use the XC16 compiler (for 16-bit MCUs) for code writing, compiling and debugging. MPLAB X provides graphical configuration tools (such as MCC), integrated debuggers and rich library support , which are suitable for the entire process of embedded system development, including code development, peripheral configuration, simulation debugging and performance analysis. It is also compatible with programmers such as ICD 4 and PICkit 4, suitable for prototype design and mass production development.
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