DSPIC33EV32GM104T-I/P8 - 16-bit 5V DSC 32KB Flash 70MIPS | Microchip
MPN: DSPIC33EV32GM104T-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.71 | $371.00 |
| 500 | $3.32 | $1,660.00 |
| 1,000 | $2.95 | $2,950.00 |
DSPIC33EV32GM104T-I/P8 Overview
A digital signal controller combines the compute capability of a digital signal processor with the peripheral integration and control logic of a microcontroller, sitting within the broader hierarchy of DSC -> microcontroller -> embedded processor -> semiconductor. The dsPIC33EV family targets harsh-environment embedded control where a 5V I/O rail directly interfaces with sensors, actuators, and automotive/industrial networks without level shifting.
Key features include a 5V-tolerant operating range of 4.5V to 5.5V, an on-chip CAN 2.0B module for industrial and automotive networking, six motor-control PWM channels for inverter and BLDC control, and three integrated operational amplifiers that reduce external BOM in current-sense chains. The CTMU (Charge Time Measurement Unit) supports capacitive touch and precise time measurement, and a SENT peripheral targets automotive sensor interfaces.
Technically, the dsPIC33E core uses a modified Harvard architecture with a barrel shifter, DSP multiply-accumulate instructions, and ECC Flash protection that improves functional safety coverage. Dual internal bus architectures allow simultaneous instruction fetch and data access, sustaining deterministic execution for control loops at full 70 MIPS throughput. Operating temperature for the -I suffix spans -40C to +85C.
Typical applications include automotive sensor nodes, touch and control units, appliance motor drives, industrial CNC control, and 5V CAN-based field devices. Integrated op amps plus the 12-bit ADC make the part especially well matched to motor-control feedback loops.
Design consideration: the controller must be clocked with attention to the 60 MHz internal bus speed versus the 70 MIPS core figure; always decouple all VDD/VDDCORE pins with 0.1 uF ceramics placed within 2 mm of the package.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV32GM104T-I/P8 — 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 DSPIC33EV32GM104T-I/P8 (same form factor and footprint) — differing in Operating Temperature, Core, CTMU, CAN Module, Motor Control PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM104-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.15 / Unit
View Datasheet →DSPIC33EV32GM104-E/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33EV64GM104-I/P8
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM104-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EV32GM104T-E/P8
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM104T-I/P8 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| Max Core Speed | 70 MIPS |
| Internal Bus Clock | 60 MHz |
| Program Memory (Flash) | 32KB (11K x 24) with ECC |
| RAM | 4KB (4K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Supply Class | 5V DSC |
| Operating Temperature | -40C to +85C (I suffix) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| CAN Module | Yes, CAN 2.0B |
| Motor Control PWM | 6 channels |
| Integrated Op Amps | 3 |
| CTMU | Yes (charge time measurement / touch) |
| SENT Interface | Yes |
| Digital I/O | 35 I/O |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
DSPIC33EV32GM104T-I/P8 Pin Configuration
| Pin 1 | PGED3/EMUD3/RP28/CN72/RB12 — General purpose I/O / Programming data 3 |
| Pin 2 | PGEC3/EMUC3/RP29/CN73/RB13 — General purpose I/O / Programming clock 3 |
| Pin 3 | AN12/RP30/CN74/RB14 — Analog input 12 / General purpose I/O |
| Pin 4 | AN11/RP31/CN75/RB15 — Analog input 11 / General purpose I/O |
| Pin 5 | VSS — Ground reference |
| Pin 6 | VDD — Positive supply (4.5V to 5.5V) |
| Pin 7 | MCLR — Master clear (reset) input, programming voltage pin |
| Pin 8 | RA0 — General purpose I/O |
| Pin 9 | RA1 — General purpose I/O |
| Pin 10 | PGD/EMUD/RP2/CN33/RA2 — Primary programming data / General purpose I/O |
| Pin 11 | PGC/EMUC/RP3/CN34/RA3 — Primary programming clock / General purpose I/O |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RA4 — General purpose I/O (open drain capable) |
| Pin 14 | VDD — Positive supply |
| Pin 15 | OSC1/CLKI/RC12 — Oscillator crystal input / external clock input |
| Pin 16 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Pin 17 | RC1/T2CK — General purpose I/O / Timer2 external clock |
| Pin 18 | RC0/T1CK — General purpose I/O / Timer1 external clock |
| Pin 19 | RG8 — General purpose I/O |
| Pin 20 | RG7 — General purpose I/O |
| Pin 21 | RG6 — General purpose I/O |
| Pin 22 | VSS — Ground reference |
| Pin 23 | VDD — Positive supply |
| Pin 24 | AN0/RP15/CN39/RB0 — Analog input 0 / General purpose I/O |
| Pin 25 | AN1/RP14/CN38/RB1 — Analog input 1 / General purpose I/O |
| Pin 26 | AN2/RP13/CN37/RB2 — Analog input 2 / General purpose I/O |
| Pin 27 | AN3/RP12/CN36/RB3 — Analog input 3 / General purpose I/O |
| Pin 28 | AN4/C1IN-/RP11/CN35/RB4 — Analog input 4 / Comparator 1 inverting input / General purpose I/O |
| Pin 29 | AN5/C1IN+/RP10/CN16/RB5 — Analog input 5 / Comparator 1 non-inverting input / General purpose I/O |
| Pin 30 | AN6/C2IN-/RP9/CN15/RB6 — Analog input 6 / Comparator 2 inverting input / General purpose I/O |
| Pin 31 | AN7/C2IN+/RP8/CN14/RB7 — Analog input 7 / Comparator 2 non-inverting input / General purpose I/O |
| Pin 32 | OA2OUT/AN8/RP7/CN13/RB8 — Op amp 2 output / Analog input 8 / General purpose I/O |
| Pin 33 | OA3OUT/AN9/RP6/CN12/RB9 — Op amp 3 output / Analog input 9 / General purpose I/O |
| Pin 34 | OA1OUT/AN10/RP5/CN11/RB10 — Op amp 1 output / Analog input 10 / General purpose I/O |
| Pin 35 | AVSS — Analog ground reference |
| Pin 36 | AVDD — Analog positive supply |
| Pin 37 | VREF-/CVREF/RA9 — ADC voltage reference low / comparator reference / General purpose I/O |
| Pin 38 | VREF+/CVREF+/RA10 — ADC voltage reference high / comparator reference / General purpose I/O |
| Pin 39 | RP4/CN71/RB11 — General purpose I/O (remappable) |
| Pin 40 | RC13 — General purpose I/O |
| Pin 41 | RC14 — General purpose I/O (secondary oscillator capable) |
| Pin 42 | RC13/VSS — Ground reference |
| Pin 43 | VDD — Positive supply |
| Pin 44 | RG9 — General purpose I/O |
| Pin 45 | VSS — Ground reference |
| Pin 46 | VDD — Positive supply |
| Pin 47 | RB5/AN5 — General purpose I/O / Analog input 5 |
| Pin 48 | RB4/AN4 — General purpose I/O / Analog input 4 |
Typical Applications
DSPIC33EV32GM104T-I/P8 is suitable for 6 applications: Automotive Sensor Nodes, Industrial Motor Control (BLDC/PMSM Drives), CAN-Based Industrial Field Devices, Capacitive Touch and Control Units, Appliance Control Boards, Instrumentation and Measurement Front Ends.
Automotive Sensor Nodes
The dsPIC33EV32GM104T-I/P8 is purpose-built for automotive sensor nodes: its 5V (4.5V to 5.5V) supply matches legacy automotive sensor signaling, the integrated SENT peripheral directly transmits sensor data in the SENT/SAE format, and the -40C to +85C I-grade covers most under-hood zone requirements. The CTMU supports precise capacitive and time-domain measurements, while the 12-bit ADC plus 3 on-chip op amps allow direct connection of ratiometric current-sense and pressure-sensor bridges without external amplifiers. Placed as the sensor host controller with the CAN 2.0B module bridging to the vehicle network, it eliminates level-shifting circuitry that a 3.3V MCU would require, reducing BOM count and improving noise immunity in the electrically noisy automotive environment.
Recommended
Industrial Motor Control (BLDC/PMSM Drives)
Motor-control applications fit this DSC well: the six motor-control PWM channels generate complementary or independent drive waveforms for three-phase BLDC and PMSM inverters, while the three integrated operational amplifiers buffer shunt-resistor current feedback directly into the ADC, shortening the control loop and cutting external component count. At 70 MIPS with DSP MAC instructions, the dsPIC33E core executes field-oriented control inner loops deterministically. In a typical topology, the DSC reads three phase currents through the on-chip op amps, runs FOC in firmware, and outputs center-aligned PWM at kHz-range carrier frequencies. The 5V I/O rail drives gate-driver inputs directly, and ECC Flash protects the control firmware against memory upsets in high-noise inverter environments.
Recommended
CAN-Based Industrial Field Devices
The on-chip CAN 2.0B controller with hardware message filtering makes this DSC an efficient single-chip host for industrial field nodes on 5V CAN buses, such as CNC machinery controls, factory automation I/O modules, and sensor gateways. Because the 5V device interfaces directly with common 5V CAN transceivers, designs avoid dual-rail complexity. Per Microchip, the dsPIC33EV family is explicitly targeted at harsh industrial environments including CNC machinery, where noise and vibration resilience matter; the ECC Flash and 5V noise immunity support that goal. Typical usage: CAN module handles network traffic via interrupt-driven buffers while the 70 MIPS core runs application logic, scaling, and diagnostics, with 35 I/O lines available for relays, indicators, and local sensing.
Recommended
Capacitive Touch and Control Units
The CTMU (Charge Time Measurement Unit) enables capacitive touch sensing and precise time-interval measurement using firmware-driven charge ramps, allowing a single-chip touch control unit without a dedicated touch controller. The dsPIC33EV GM family is marketed by Microchip for automotive and industrial touch and control units, and the 5V I/O provides strong EMI margin for long touch-button wiring in appliance panels. In practice, the CTMU charges the touch electrode, firmware measures the charge time through the ADC or comparator, and software filtering derives a stable baseline; 35 I/O accommodate many button channels plus LEDs and relays for control outputs. The 70 MIPS headroom supports sophisticated debounce, drift compensation, and multi-touch-gesture algorithms concurrently with control logic.
Recommended
Appliance Control Boards
Household appliance controllers combine motor drive, user interface, and communication - exactly the peripheral mix of this DSC. Six MC PWM channels drive BLDC fans, pumps, and drum motors; the three on-chip op amps handle AC-line or shunt current sensing; the CTMU serves capacitive touch buttons; and CAN or UART links to display boards. Operating on a 5V supply derived from the appliance's linear or flyback rail, the dsPIC33EV32GM104 eliminates level shifters between the controller and 5V inputs such as door switches, NTC thermistor dividers, and hall sensors. ECC Flash retains firmware integrity across the appliance lifetime. Typical design: center-aligned PWM at 16-20 kHz for audible-noise-free motor operation, with ADC-driven FOC or sensored trapezoidal control in the 70 MIPS core.
Recommended
Instrumentation and Measurement Front Ends
The combination of a 12-bit ADC, three operational amplifiers, and the CTMU time-measurement engine makes this DSC suitable for compact instrumentation: ultrasonic time-of-flight meters use the CTMU for sub-nanosecond charge measurement, sensor-bridge front ends use the op amps for gain before digitization, and the DSP MAC instructions implement digital filtering on the sampled stream. The 5V analog rail maximizes ADC input swing, improving usable SNR versus 3.3V systems for ratiometric measurements referenced to the supply. Typical topology: bridge or probe signal amplified by the on-chip op amp, sampled by the ADC at DMA-paced rates, and processed with IIR/FIR filters in firmware at 70 MIPS; results stream out over UART or CAN for logging or network integration without an external MCU.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM104T-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM104-I/P8 | DSPIC33EV32GM104-E/P8 | DSPIC33EV64GM104-I/P8 | DSPIC33EV128GM104-I/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32KB (11K x 24) ECC | 32KB (11K x 24) ECC | 32KB (11K x 24) ECC | 64KB (22K x 24) ECC | 128KB (43K x 24) ECC |
| RAM | 4KB | 4KB | 4KB | 8KB | 16KB |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| CAN / PWM / Op Amps | CAN, 6 MC PWM, 3 op amps | CAN, 6 MC PWM, 3 op amps | CAN, 6 MC PWM, 3 op amps | CAN, 6 MC PWM, 3 op amps | CAN, 6 MC PWM, 3 op amps |
Key Differentiators
- Native 5V operation eliminates level shifters (vs 3.3V MCU alternatives)
- Three integrated op amps reduce BOM (vs DSPIC33EV32GM002-I/SS)
- ECC Flash for functional-safety headroom (vs Legacy PIC18 devices)
Design Notes
Supply the 4.5V to 5.5V rail with individual 0.1 uF ceramic decoupling capacitors at every VDD pin pair, placed within 2 mm of the package pins, plus one 4.7 uF to 10 uF bulk capacitor per supply rail. AVDD should be filtered through an RC network (e.g., 10 ohm + 1 uF) or ferrite bead from the digital rail to protect ADC accuracy. Estimated: at 70 MIPS with typical dsPIC33EV core current, dynamic current scales with clock frequency, so dropping the clock for battery-free but thermally constrained enclosures reduces both power and regulator headroom requirements.
Keep the oscillator crystal (if used on OSC1/OSC2) within 10 mm of the pins with short guarded traces, and keep analog routing (AN0-AN12, VREF+/VREF-, AVDD/AVSS) away from PWM and CAN switching traces. The 48-TQFP 7x7 footprint leaves the center of the package free - use it for a local VSS pour tied to multiple ground vias. Route the PGD/PGC programming pins (RA2/RA3) to a 5-pin header for in-circuit programming with MPLAB ICD or PICkit tools before final board release.
Three common pitfalls with this device family: (1) forgetting to reconfigure the peripheral pin-select (PPS) remapping after reset - RPn assignments do not persist through POR and must be set in initialization code; (2) exceeding the 5.5V absolute maximum on VDD when powered from an unregulated automotive rail - use a 5V LDO or transorb-protected regulator; (3) assuming the same Flash size across family members - 32KB is 11K x 24 instruction words, not 32K instructions. Always verify the linker memory map in MPLAB X against the specific MPN before code freeze.
Compliance Information
RoHS compliance explicitly marked in distributor listings (PCBElectronics). Automotive-qualified status not stated in provided data - the dsPIC33EV family targets automotive applications per Microchip, but AEC-Q100 qualification for this specific MPN is not documented in the provided sources.
