PIC32MK0256MCJ064T-I/PT - 120MHz MCU, 256KB Flash, CAN-FD | Microchip
MPN: PIC32MK0256MCJ064T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.95 | $69.50 |
| 100 | $6.2 | $620.00 |
| 500 | $5.55 | $2,775.00 |
| 1,000 | $5.1 | $5,100.00 |
PIC32MK0256MCJ064T-I/PT Overview
A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program and data memory, and a rich peripheral set on a single die. Within the broader semiconductor taxonomy, an MCU sits inside the microcontroller > microcontroller family > integrated circuit hierarchy. The 32-bit class targets applications that need higher computational throughput, larger address spaces, and richer peripherals than 8-bit or 16-bit MCUs can deliver. The PIC32MK0256MCJ064T-I/PT specifically belongs to the PIC32MK sub-family designed for motor control, digital power, and industrial IoT.
Key features of the PIC32MK0256MCJ064T-I/PT include a 120 MHz MIPS32 microAptiv core with DSP extensions, hardware single/double-precision FPU, four 64-bit accumulators for high-dynamic-range signal processing, up to 256 KB of ECC-protected Flash, 64 KB of SRAM, and dual CAN-FD controllers. The device integrates multiple high-speed analog blocks, motor-control PWMs with fault inputs, and quadrature encoder interfaces that simplify BLDC, PMSM, and AC-induction drive designs.
Technically, the part uses a 5V-tolerant I/O structure with selectable internal pull-ups, pull-downs, and open-drain modes. An integrated cache and prefetch engine accelerate execution from Flash. The 120 MHz core, combined with hardware DSP and FPU, makes it well-suited for closed-loop field-oriented control (FOC) running at multi-kHz rates on a single MCU.
Typical applications include industrial motor drives (BLDC/PMSM), digital power conversion, CAN-FD industrial nodes, PLCs, factory automation controllers, and IIoT edge devices. It also fits EV battery management subsystems that require CAN-FD communications and safety-grade firmware.
When designing with the PIC32MK0256MCJ064T-I/PT, ensure the PCB layout keeps the high-current motor traces isolated from the analog ground and that decoupling capacitors follow Microchip's recommended placement near each VDD/VSS pair. Programming is supported by MPLAB X IDE and the MPLAB Harmony ecosystem, which shortens time-to-prototype for motor-control firmware stacks.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes that go beyond the manufacturer datasheet, giving engineers a single source for procurement and engineering decisions.
Drop-in alternatives for PIC32MK0256MCJ064T-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 PIC32MK0256MCJ064T-I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Maximum CPU Frequency, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0256MCJ064-I/PT
✅ Drop-In✓ In Stock
$2.47 / Unit
View Datasheet →PIC32MK0256MCJ064-E/PT
✅ Drop-In✓ In Stock
$2.85 / Unit
View Datasheet →PIC32MK0256MCJ064T-E/R4X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.74 / Unit
View Datasheet →PIC32MK0256GPG064-I/R4X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.71 / Unit
View Datasheet →PIC32MK0256GPG064T-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.95 / Unit
View Datasheet →PIC32MK0256MCJ064T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (32-bit) with DSP extensions |
| Maximum CPU Frequency | 120 MHz |
| FPU | Yes, single and double precision |
| Program Flash Memory | 256 KB (256K x 8) with ECC |
| Data SRAM | 64 KB |
| 64-bit Accumulators | 4 |
| MAC Operations | Single-cycle, saturating and fractional |
| Operating Temperature | -40C to +85C (Industrial, -I grade) |
| I/O Voltage Tolerance | 5V-tolerant I/O pins |
| I/O Source/Sink | Up to 22 mA per pin |
| Package | 64-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| CAN-FD Controllers | Integrated (CAN-FD capable) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MK0256MCJ064T-I/PT 64-pin tqfp (pt), 10x10 mm Pin Configuration Guide
Pin configuration for PIC32MK0256MCJ064T-I/PT (64-pin tqfp (pt), 10x10 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MK0256MCJ064T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MK0256MCJ064T-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Industrial CAN-FD Nodes, Digital Power Conversion, Industrial IoT (IIoT) Edge Devices, Programmable Logic Controllers (PLC), EV Battery Management Subsystems.
BLDC / PMSM Motor Control
The PIC32MK0256MCJ064T-I/PT is engineered for brushless DC and permanent-magnet synchronous motor drives, where its 120 MHz MIPS32 microAptiv core with hardware FPU and four 64-bit accumulators execute field-oriented control (FOC) loops at multi-kHz rates. The integrated motor-control PWM module with fault inputs and the quadrature encoder interface eliminate the need for an external motor-control IC, while the 256 KB ECC Flash stores the full state-machine, sensorless-FOC, and PI-tuning libraries. Its 5V-tolerant I/O and 22 mA source/sink capability drive opto-isolators or gate-driver inputs directly. Designers gain deterministic control-loop latency from the hardware MAC and single-cycle accumulators, which is critical for high-dynamic-range torque response in servo and robotic drives.
Recommended
Industrial CAN-FD Nodes
The PIC32MK0256MCJ064T-I/PT's integrated CAN-FD controllers make it a strong fit for industrial automation nodes that need high-bandwidth, deterministic communication on factory floors. CAN-FD supports payloads larger than classic CAN 2.0B, which is required for transmitting motor telemetry, multi-axis synchronization data, and diagnostic logs. The 120 MHz core and 64 KB SRAM can buffer multiple CAN-FD frames while simultaneously handling the application control loop, reducing the need for an external communication MCU. The 256 KB Flash accommodates the CANopen or DeviceNet protocol stack alongside application firmware. Industrial-grade temperature rating (-40C to +85C) and 5V-tolerant I/O ensure robust operation in noisy 24V factory environments.
Recommended
Digital Power Conversion
In digital power conversion applications such as AC/DC, DC/DC, and PFC stages, the PIC32MK0256MCJ064T-I/PT executes high-resolution control loops using its 64-bit accumulators and hardware MAC. Its single-cycle MAC and 120 MHz throughput allow control-loop update rates well above 100 kHz, supporting totem-pole PFC, LLC, and dual-active-bridge topologies. The 12-bit ADC with multiple channels samples input voltage, output voltage, and inductor current simultaneously, while the dedicated PWM outputs drive the power-stage switches with programmable dead-time and fault insertion. The 256 KB ECC Flash stores firmware for soft-start, MPPT (in solar converters), and adaptive dead-time algorithms. The hardware FPU accelerates the floating-point math used in digital-filter and observer design.
Recommended
Industrial IoT (IIoT) Edge Devices
The PIC32MK0256MCJ064T-I/PT serves as a compute-and-control hub for IIoT edge devices that aggregate sensor data and forward it over CAN-FD or UART links. The 120 MHz MIPS32 core plus hardware FPU handles on-device analytics such as vibration FFT, temperature trending, and predictive-maintenance scoring without offloading to a gateway. The 256 KB Flash stores the edge analytics library and TLS/DTLS communication stack, while 64 KB SRAM buffers sensor windows before transmission. Its 5V-tolerant I/O interfaces directly to industrial 4-20 mA loops, RTD sensors, and 24V digital inputs, reducing external signal-conditioning parts. ECC-protected Flash and parity-protected RAM increase reliability in 24/7 unattended deployments.
Recommended
Programmable Logic Controllers (PLC)
Within compact PLCs and modular I/O racks, the PIC32MK0256MCJ064T-I/PT combines motor-control PWM, CAN-FD, and rich digital I/O into a single chip, reducing BOM and PCB area. Its 120 MHz throughput and hardware FPU execute IEC 61131-3 runtime tasks such as ladder-logic interpretation, PID control, and high-speed counters. The 64 KB SRAM supports multi-axis servo-loop scheduling and task buffering, while the 256 KB Flash stores ladder-logic programs plus HMI/configuration data. CAN-FD backplane connectivity links the PLC to remote I/O slices, drives, and HMI panels, all using the same MCU peripheral set. ECC-protected memory and industrial temperature rating deliver the reliability required for factory automation.
Recommended
EV Battery Management Subsystems
In EV battery management and 12V/48V mild-hybrid subsystems, the PIC32MK0256MCJ064T-I/PT acts as a cell-monitoring and CAN-FD gateway MCU. The integrated CAN-FD controller streams cell-voltage, temperature, and state-of-charge data to the vehicle's main ECU at higher bandwidth than classic CAN, while the 120 MHz core and FPU execute SOC/SOH estimation algorithms in firmware. The 256 KB Flash stores the BMS state machine, lookup tables, and fault logs. The 64 KB SRAM holds cell-voltage snapshot buffers and Kalman-filter state variables. Hardware ECC on Flash and parity on RAM improve functional safety, while the 5V-tolerant I/O interfaces directly to analog front-end ICs that operate from 12V vehicle rails.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0256MCJ064T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0256MCJ064-I/PT | PIC32MK0256MCJ064-E/PT | PIC32MK0256MCJ064T-E/R4X | PIC32MK0256GPG064-I/R4X |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm |
| Core Architecture | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Program Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 256 KB ECC | 256 KB ECC |
| Data SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Sub-Family / Feature Set | MCJ (Motor Control + CAN-FD) | MCJ (Motor Control + CAN-FD) | MCJ (Motor Control + CAN-FD) | MCJ (Motor Control + CAN-FD) | GPG (General Purpose, no motor PWM / no CAN-FD) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Industrial (-40C to +85C) |
Key Differentiators
- Hardware FPU and 4x 64-bit accumulators (vs PIC32MK0256GPG064T-E/PT)
- Integrated CAN-FD controllers (vs PIC32MK0256GPG064-I/R4X)
- ECC-protected Flash for functional safety (vs PIC24HJ64GP510A-I/PT)
Design Notes
Estimated: a typical PIC32MK0256MCJ064T-I/PT design at 120 MHz with all peripherals enabled draws 60-80 mA core current from VDD. Provide at least four VDD/VSS pin pairs with 100 nF ceramic decoupling caps placed within 5 mm of each pin, plus a bulk 4.7 uF tantalum or ceramic on the main 3.3V rail. Use a ferrite bead between digital and analog VDD if the analog blocks (ADC) share the same regulator, to keep switching noise below the ADC's noise floor.
The 64-pin TQFP (PT) package has theta_JA around 50-55 C/W on a standard 2-layer FR-4 PCB without a thermal pad. Estimated: at 80 mA core plus 30 mA I/O, total power dissipation is approximately 0.4 W, yielding a junction temperature rise of 20-25 C above ambient at room temperature. For closed-enclosure designs at +85C ambient, verify with Microchip's thermal model that junction stays below +125C.
Isolate the high-current motor-drive traces (PWM outputs, gate-driver return paths) from the analog ground (AGND) used by the ADC. Use a star-ground topology that joins analog and digital grounds only at the MCU's ground pin. Place the CAN-FD transceiver close to the MCU's CAN pins, and keep the CAN differential traces matched-length (impedance 120 ohm differential) to maintain signal integrity at 1 Mbit/s and above.
Do not enable the ADC's CTMU charge-time measurement unit without first configuring the channel-scan order; misconfiguration can cause continuous ADC conversions that load the core. Also avoid driving the 5V-tolerant I/O pins above 5.5 V absolute maximum, even briefly, since the ESD diodes will clamp and inject current into the internal 3.3V rail, causing ADC reference errors.
Compliance Information
RoHS and lead-free status per Microchip product page; AEC-Q100 not claimed for this part. For automotive-grade equivalent, refer to Microchip's automotive PIC32MK variants (separate ordering codes).
