DSPIC33EV256GM106-I/PT - 16-bit 70 MIPS DSC, 256KB Flash | Microchip
MPN: DSPIC33EV256GM106-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $5.14 | $514.00 |
| 500 | $4.63 | $2,315.00 |
| 1,000 | $4.17 | $4,170.00 |
DSPIC33EV256GM106-I/PT Overview
A digital signal controller combines the computational capability of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the semiconductor hierarchy, the dsPIC33EV sits under the DSC category, which itself belongs to the broader microcontroller and embedded processor family. DSCs are used where real-time mathematical processing such as PID loops, transforms, and filtering must run alongside general-purpose control tasks.
Key features of this device include its robust 5V operation, which simplifies designs in electrically noisy environments where 3.3V MCUs require level shifting; integrated CAN, LIN, and SENT connectivity for automotive and industrial networks; hardware ECC Flash for functional-safety oriented designs; and advanced motor-control PWM peripherals with on-chip op amps for current sensing.
Architecturally, the dsPIC33EV core uses a modified Harvard architecture with a barrel shifter, DSP engine, and multiple internal buses, sustaining single-cycle MAC operations. The Microchip USA listing further identifies 4 DMA channels and 9 timers, offloading data movement and timing tasks from the CPU. Clock operation reaches 40 MHz internal (70 MIPS equivalent via PLL-based operation per family specifications).
Typical applications include automotive sensor and touch-control units, industrial motor control drives, appliance control boards, and CAN/LIN networked nodes - environments Microchip explicitly targets with the 5V dsPIC33EV family for noise and vibration robustness.
A key design consideration: the -I suffix denotes an industrial temperature range of -40C to +85C; for extended -40C to +125C operation, the DSPIC33EV256GM106-E/PT variant should be selected instead.
This page synthesizes distributor availability, drop-in same-package alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM106-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33EV256GM106-I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core, RAM Size, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM106-E/PT
✅ Drop-In✓ In Stock
$5.75 / Unit
View Datasheet →DSPIC33EV128GM106T-I/PT
✅ Drop-In✓ In Stock
$3.86 / Unit
View Datasheet →DSPIC33EP256GP506-I/PT
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →DSPIC33EP256MC506-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.65 / Unit
View Datasheet →DSPIC33EV256GM106-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 256KB (85.5K x 24) with ECC |
| RAM | 16KB |
| Supply Voltage | 5V |
| DMA Channels | 4 |
| Timers | 9 |
| Communication Interfaces | CAN, LIN, SENT, UART, SPI, I2C |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Functionality | Functional Safety (FuSa) capable |
| Technology | CMOS |
| Debug/Programming | ICSP (multiple PGECx/PGEDx pairs) |
| RoHS Status | Compliant |
| Target Applications | Automotive, industrial, appliances, motor control |
DSPIC33EV256GM106-I/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/CN3/RB0 — Analog input 0 / change notification / port B |
| Pin 3 | AN1/CN2/RB1 — Analog input 1 / change notification / port B |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B |
| Pin 5 | AN3/CTED2/CN5/RB3 — Analog input 3 / comparator event / port B |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — 5V power supply |
| Pin 8 | PGED3/AN4/C1IN-/CN6/RB4 — Programming data 3 / analog input 4 / comparator input / port B |
| Pin 9 | PGEC3/AN5/C1IN+/CN7/RB5 — Programming clock 3 / analog input 5 / comparator input / port B |
| Pin 10 | PGED2/AN6/C2IN-/CN8/RB6 — Programming data 2 / analog input 6 / port B |
| Pin 11 | PGEC2/AN7/C2IN+/CN9/RB7 — Programming clock 2 / analog input 7 / port B |
| Pin 12 | AN8/C1OUT/CN10/RB8 — Analog input 8 / comparator 1 output / port B |
| Pin 13 | AN9/C2OUT/CN11/RB9 — Analog input 9 / comparator 2 output / port B |
| Pin 14 | TMS/AN10/CN12/RB10 — Test mode select / analog input 10 / port B |
| Pin 15 | TCK/AN11/CN13/RB11 — Test clock / analog input 11 / port B |
| Pin 16 | PGED1/AN12/CN14/RB12 — Programming data 1 / analog input 12 / port B |
| Pin 17 | PGEC1/AN13/CN15/RB13 — Programming clock 1 / analog input 13 / port B |
| Pin 18 | AN14/CTED1/CN16/RB14 — Analog input 14 / comparator event / port B |
| Pin 19 | AN15/CVREF/CN17/RB15 — Analog input 15 / comparator voltage reference / port B |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — 5V power supply |
| Pin 22 | RA0/OSC1/CLKI — Oscillator input / external clock input |
| Pin 23 | RA1/OSC2/CLKO — Oscillator output / clock output |
| Pin 24 | SOSCI/CN1/RA2 — Secondary oscillator input / port A |
| Pin 25 | SOSCO/T1CK/CN0/RA3 — Secondary oscillator output / Timer1 clock / port A |
| Pin 26 | VDD — 5V power supply |
| Pin 27 | VSS — Ground reference |
| Pin 28 | RA4/T2CK/SDA1 — Timer2 clock / I2C data 1 / port A |
| Pin 29 | RA3/SCL1 — I2C clock 1 / port A |
| Pin 30 | RF0/UTX1 — UART1 transmit / port F |
| Pin 31 | RF1/URX1 — UART1 receive / port F |
| Pin 32 | RF2/U1CTS/SDA2 — UART1 clear-to-send / I2C data 2 / port F |
| Pin 33 | RF3/U1RTS/SCL2 — UART1 request-to-send / I2C clock 2 / port F |
| Pin 34 | RF4/SDI1 — SPI data in 1 / port F |
| Pin 35 | RF5/SDO1 — SPI data out 1 / port F |
| Pin 36 | RF6/SCK1 — SPI clock 1 / port F |
| Pin 37 | RC1/T3CK/U2TX/RF7 — Timer3 clock / UART2 transmit / port F |
| Pin 38 | RC2/U2RX/RF8 — UART2 receive / port F |
| Pin 39 | RC3/U2CTS/RF9 — UART2 clear-to-send / port F |
| Pin 40 | RC4/U2RTS/RF10 — UART2 request-to-send / port F |
| Pin 41 | RF11/SDI2 — SPI data in 2 / port F |
| Pin 42 | RF12/SDO2 — SPI data out 2 / port F |
| Pin 43 | RF13/SCK2 — SPI clock 2 / port F |
| Pin 44 | VDD — 5V power supply |
| Pin 45 | VSS — Ground reference |
| Pin 46 | RD8/RTCC/RG0 — RTCC output / port G |
| Pin 47 | C1TX/RG1 — CAN1 transmit / port G |
| Pin 48 | C1RX/RG2 — CAN1 receive / port G |
| Pin 49 | SCK3/RG3 — SPI clock 3 / port G |
| Pin 50 | SDI3/RG4 — SPI data in 3 / port G |
| Pin 51 | SDO3/RG5 — SPI data out 3 / port G |
| Pin 52 | SS3/RG6 — SPI slave select 3 / port G |
| Pin 53 | RD0/RG7 — PWM output / port G |
| Pin 54 | RD1/RG8 — PWM output / port G |
| Pin 55 | RD2/RG9 — PWM output / port G |
| Pin 56 | VSS — Ground reference |
| Pin 57 | VDD — 5V power supply |
| Pin 58 | RD3 — PWM output / port D |
| Pin 59 | RD4 — PWM output / port D |
| Pin 60 | RD5 — PWM output / port D |
| Pin 61 | RD6 — PWM output / port D |
| Pin 62 | RD7 — PWM output / port D |
| Pin 63 | RA6/VREF- — ADC voltage reference negative / port A |
| Pin 64 | RA7/VREF+ — ADC voltage reference positive / port A |
Typical Applications
DSPIC33EV256GM106-I/PT is suitable for 6 applications: Automotive Sensor and Control Units, Industrial Motor Control Drives, Appliance Control Boards, CAN/LIN/SENT Networked Nodes, Functional-Safety Oriented Embedded Control, Development and Prototyping (CAN-LIN Starter Kit).
Automotive Sensor and Control Units
The DSPIC33EV256GM106-I/PT is purpose-built for automotive nodes operating in electrically hostile conditions. Its 5V I/O directly drives sensor interfaces without level shifting, its SENT peripheral decodes single-wire nibble-encoded sensor data, and its CAN module connects to vehicle networks. The ECC Flash protects program memory against single-bit upsets relevant to functional-safety (FuSa) designs. Deployed in touch and control units, the DSC sustains 70 MIPS for real-time filtering, while the industrial -40C to +85C rating covers under-dash and body-electronics ambient conditions.
Recommended
Industrial Motor Control Drives
For PMSM, BLDC, and ACIM drives, the DSPIC33EV256GM106-I/PT pairs advanced motor-control PWM outputs with on-chip operational amplifiers that condition shunt-resistor current feedback, reducing external component count. The DSP engine executes single-cycle MAC operations for field-oriented control loops at 70 MIPS, while 4 DMA channels move ADC results without CPU intervention. The robust 5V domain interfaces directly with gate-driver logic, and the CAN interface links the drive to factory automation networks, making the DSC a single-chip control solution for industrial drives.
Recommended
Appliance Control Boards
Home and commercial appliances combine noisy motor loads, mains-generated transients, and cost pressure - exactly the harsh environment Microchip targets with the 5V dsPIC33EV family. The DSPIC33EV256GM106-I/PT's robust 5V I/O tolerates the noise floor typical of refrigerator, washer, and HVAC boards, while integrated PWM drives compressor and fan motors. The 256KB ECC Flash holds feature-rich firmware, and UART/SPI/I2C peripherals connect displays, user interfaces, and connectivity modules, consolidating appliance control into one 64-TQFP device.
Recommended
CAN/LIN/SENT Networked Nodes
Designs bridging multiple vehicle and industrial protocols benefit from this DSC's native CAN, LIN, and SENT support on one chip. The CAN module handles 1 Mbps classical CAN frames via an external transceiver; UART-based LIN handles slave or master nodes; SENT decodes sensor data from compatible suppliers. With 70 MIPS of headroom, the DSPIC33EV256GM106-I/PT can run protocol gateways, translating CAN frames to LIN segments while performing application logic, all within a single 64-TQFP package - eliminating a separate protocol bridge IC.
Recommended
Functional-Safety Oriented Embedded Control
DigiKey classifies the DSPIC33EV256GM106-I/PT as a Functional Safety (FuSa) capable microcontroller IC, reflecting its ECC-protected Flash, robust 5V noise immunity, and documentation support for safety analyses. In safety-relevant industrial and automotive systems, error-correcting program memory mitigates single-bit fault consequences, while multiple PGEC/PGED pairs support in-system verification. Engineers developing ISO 26262-adjacent or machinery-safety applications should combine the hardware features with Microchip's FuSa collateral and the DM330018 starter kit for validation workflows.
Recommended
Development and Prototyping (CAN-LIN Starter Kit)
Microchip's DM330018 dsPIC33EV 5V CAN-LIN Starter Kit features the dsPIC33EV256GM106 and provides serial CAN, LIN, and SENT ports plus a self-contained USB programming/debug interface with an expansion footprint. This makes the DSPIC33EV256GM106-I/PT an excellent prototyping target: firmware developed on the kit runs unmodified on production boards using the same 64-TQFP device. Third-party tools (NSDSP programmers) and MPLAB X with the XC16 compiler complete the toolchain, allowing rapid iteration on automotive and motor-control application code.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM106-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM106-E/PT | DSPIC33EV128GM106T-I/PT | DSPIC33EP256GP506-I/PT | DSPIC33EP256MC506-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33EV 16-bit, 70 MIPS | dsPIC33EV 16-bit, 70 MIPS | dsPIC33EV 16-bit, 70 MIPS | dsPIC33EP 16-bit, 70 MIPS | dsPIC33EP 16-bit, 70 MIPS |
| Flash Memory | 256KB ECC | 256KB ECC | 128KB ECC | 256KB | 256KB |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| 5V-Robust Peripherals (SENT, Op Amps, FuSa) | Yes | Yes | Yes | No (EP family) | No (EP family) |
Key Differentiators
- Extended temperature option in identical footprint (vs DSPIC33EV256GM106-E/PT)
- Full 256KB ECC Flash vs halved memory (vs DSPIC33EV128GM106T-I/PT)
- 5V-robust EV peripherals (SENT, op amps, FuSa classification) (vs DSPIC33EP256GP506-I/PT)
Design Notes
All VDD/VSS pin pairs must be connected and decoupled. Per Microchip programming guidance (northernsoftware.com dsPIC33EV support notes), every VDD pin requires a local 100 nF ceramic capacitor placed within 2-3 mm of the pin, with one bulk 10 uF capacitor per supply domain. Because the device operates at 5V with 70 MIPS switching activity, keep the supply impedance low to prevent brownout during simultaneous PWM and CAN bus activity. Verify brown-out reset settings in configuration words for noisy 24V industrial backplanes.
For ICSP programming, connect a 6-pin header to one PGECx/PGEDx pair - any pair works, but ICSPCLK and ICSPDAT must come from the same numbered pair (e.g., PGEC2 with PGED2). Leave the MCLR pin with a 10 kOhm pull-up to VDD and a series 100-470 Ohm resistor for programming-voltage protection. Avoid routing fast PWM edges (motor control outputs on port D) directly under the CAN or crystal traces on the 10x10 mm TQFP breakout region.
Do not confuse the -I and -E temperature grades in procurement: the DSPIC33EV256GM106-I/PT is rated only to +85C ambient; sealed enclosures near heat-generating drivers often exceed this. Also, engineers migrating from dsPIC33EP parts frequently assume peripheral register compatibility - the EV family remaps SENT, op-amp, and comparator registers, so recompile and re-verify firmware rather than reusing EP-family code unchanged. Finally, secondary oscillator pins (SOSCI/SOSCO) conflict with port functions; configure them explicitly in configuration bits.
Compliance Information
DigiKey lists the part as RoHS-compliant with same-day shipping. Formal AEC-Q100 qualification status is not stated in the provided data, though Microchip markets the dsPIC33EV family for automotive applications.
