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DSPIC33EV256GM102-I/SP

MCHPDSPIC33EV256GM102-I/SP

Microchip Technology
dsPIC dsPIC™ 33EV, Functional Safety (FuSa) Microcontroller IC 16-Bit 70 MIPs 256KB (85.5K x 24) FLASH 28-SPDIP
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Overview

The DSPIC33EV256GM102-I/SP is a 16-bit Digital Signal Controller (DSC) from Microchip's dsPIC33EV family, designed for high-reliability industrial and automotive applications. It operates at 70 MIPS and features functional safety (FuSa) hardware support with a 5V operating voltage for improved noise immunity. This part integrates 256KB of Flash memory and specialized peripherals like Motor Control PWM and CAN interfaces in a breadboard-friendly 28-pin SPDIP package.

Why Choose This Part

This controller combines the processing power of a DSP with the peripheral set of a microcontroller, making it ideal for math-intensive control loops. Its 5V operation provides significantly better signal-to-noise ratios in electrically noisy environments compared to 3.3V alternatives. The inclusion of DMA and a 10/12-bit ADC allows for high-speed data acquisition without taxing the core processor.

Applications

Brushless DC (BLDC) Motor Control
Utilizes the 6-channel motor control PWMs and 70 MIPS performance for advanced sensorless or sensored control algorithms.
Automotive Sensor Interfacing
Leverages the 5V operation, CAN bus, and SENT interface for robust communication with vehicle sensors and actuators.
Functional Safety (ISO 26262 / IEC 61508)
Designed for safety-critical systems using built-in features like Deadman Timer, RAM BIST, and hardware error correction.
Power Conversion
Suitable for digital power applications such as DC/DC converters and battery chargers requiring high-speed math and precise PWM control.

Key Specifications

Speed 70 MIPs
RAM Size 16K x 8
Core Size 16-Bit
Peripherals Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Mounting Type Through Hole
Number of I/O 21
Core Processor dsPIC
Package / Case 28-DIP (0.300", 7.62mm)
Data Converters A/D 11x10/12b
Oscillator Type Internal
Program Memory Size 256KB (85.5K x 24)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 28-SPDIP
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V

Getting Started

Develop using the MPLAB X IDE and the XC16 compiler, with hardware debugging supported by the MPLAB PICkit 4 or ICD 4. For rapid prototyping, use the dsPIC33EV 5V CAN-LIN Starter Kit (DM330018). The through-hole SPDIP package makes it compatible with standard breadboards for initial firmware validation.

DSPIC33EV256GM102-I/ Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
DSPIC33EV256GM102-I/SP (this part) DIP-28 185
DSPIC33EV256GM102-I/SO SOIC-28 2,244
DSPIC33EV256GM102-I/MM — 351

Also Consider

PIC18F26K83-I/SP MCHPMicrochip Technology - An 8-bit alternative in the same 28-pin SPDIP package with CAN support for simpler, cost-sensitive 5V applications.