PIC32MK0512MCM064-I/MR - 120MHz MCU, 512KB Flash, 64-QFN | Microchip
MPN: PIC32MK0512MCM064-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.45 | $8.45 |
| 10 | $7.62 | $76.20 |
| 100 | $6.55 | $655.00 |
| 500 | $5.82 | $2,910.00 |
| 1,000 | $5.18 | $5,180.00 |
PIC32MK0512MCM064-I/MR Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, ADCs, communication controllers, and GPIO. PIC32MK MCUs sit within Microchip's 32-bit PIC microcontroller hierarchy as PIC32 (32-bit) -> PIC32MK sub-family -> MCM (Motor Control with CAN FD) device class. They extend traditional 8-bit PIC and 16-bit PIC dsPIC devices into applications that need DSP-class computation, FPU math, and deterministic motor-control PWM generation.
Key features of the PIC32MK0512MCM064-I/MR include four 64-bit accumulators with single-cycle MAC, MicroMIPS mode for roughly 40% smaller code size, USB Full-Speed, CAN-FD, up to 12-bit ADC with multiple SAR cores, and motor-control PWMs optimized for field-oriented control (FOC). The device operates from 2.3 V to 3.6 V and supports an industrial temperature range of -40C to +85C in the -I grade. The 512 KB ECC Flash and 64 KB+ RAM configuration give headroom for complex state machines and protocol stacks.
The PIC32MK silicon uses a 5-stage pipeline microAptiv core with hardware DSP extensions and a dedicated FPU that accelerates single and double precision IEEE-754 math. Dual-panel Flash allows live updates without downtime, while ECC protection guards against bit flips in harsh industrial environments. The integrated analog includes multiple 12-bit ADC modules with shared cores suitable for simultaneous current and voltage sampling used in FOC motor loops.
Typical applications include industrial motor drives (BLDC, PMSM, ACIM), robotic and CNC controllers, PLC I/O modules, solar inverters, building automation, IIoT edge nodes, and USB/CAN-FD connected industrial sensors. The combination of DSP, FPU, and high-resolution PWM is particularly well-suited to sensorless FOC implementations requiring deterministic loop times.
When designing with this part, allocate the 64-QFN thermal pad to a continuous ground copper pour to meet the 120 MHz dissipation envelope, and consult the PIC32MK Motor Control Family datasheet (DS60001570D) for PWM/ADC synchronization timing. Verify that your toolchain supports the MCM variant (XC32 compiler v2.50+ recommended) before committing to the FPU/DSP pipeline.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC32MK family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32MK0512MCM064-I/MR — 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 PIC32MK0512MCM064-I/MR (same form factor and footprint) — differing in ADC, Package, Core Architecture, SRAM, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0512MCM064-E/MR
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →PIC32MK0512MCJ064-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0512GPE064T-I/MR
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →PIC32MK0512GPK064T-I/MR
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →PIC32MK0512GPD064-I/MR
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →PIC32MK1024MCM064-I/MR
✅ Drop-In✓ In Stock
$8.65 / Unit
View Datasheet →PIC32MK0512MCM064-I/MR Maximum Ratings & Electrical Characteristics
| Core | MIPS32 microAptiv |
| Core Architecture | 32-bit RISC with FPU (single/double precision) and DSP extensions |
| Maximum CPU Frequency | 120 MHz |
| Program Flash Memory | 512 KB (Dual Panel, ECC) |
| Operating Voltage (VDD) | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, -I grade) |
| Package | 64-QFN (MR), 9x9 mm |
| Mounting Type | Surface Mount |
| Communication | USB Full-Speed, CAN-FD, UART, SPI, I2C |
| ADC | 12-bit, multiple SAR cores |
| Motor Control PWM | High-resolution PWM for FOC, multiple PWM channels |
| DSP Features | Four 64-bit accumulators, single-cycle MAC, MicroMIPS mode |
| FPU | Yes (IEEE-754 single and double precision) |
| RoHS Status | Compliant |
PIC32MK0512MCM064-I/MR Pin Configuration
| Pin 1 | OSC1/RC13 — Primary oscillator input / remappable GPIO RC13 |
| Pin 2 | OSC2/RC14 — Primary oscillator output / remappable GPIO RC14 |
| Pin 3 | VDD — Core/IO supply voltage |
| Pin 4 | VSS — Ground reference |
| Pin 5 | RPB0/RB0 — Remappable peripheral pin / GPIO RB0 |
| Pin 6 | RPB1/RB1 — Remappable peripheral pin / GPIO RB1 |
| Pin 7 | RPB2/RB2 — Remappable peripheral pin / GPIO RB2 |
| Pin 8 | RPB3/RB3 — Remappable peripheral pin / GPIO RB3 |
| Pin 9 | RPB4/RB4 — Remappable peripheral pin / GPIO RB4 |
| Pin 10 | RPB5/RB5 — Remappable peripheral pin / GPIO RB5 |
| Pin 11 | VSS — Ground reference |
| Pin 12 | VDD — Core/IO supply voltage |
| Pin 13 | RPB6/RB6 — Remappable peripheral pin / GPIO RB6 |
| Pin 14 | RPB7/RB7 — Remappable peripheral pin / GPIO RB7 |
| Pin 15 | RPB8/RB8 — Remappable peripheral pin / GPIO RB8 |
| Pin 16 | RPB9/RB9 — Remappable peripheral pin / GPIO RB9 |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — Core/IO supply voltage |
| Pin 19 | RPC0/RC0 — Remappable peripheral pin / GPIO RC0 |
| Pin 20 | RPC1/RC1 — Remappable peripheral pin / GPIO RC1 |
| Pin 21 | RPC2/RC2 — Remappable peripheral pin / GPIO RC2 |
| Pin 22 | RPC3/RC3 — Remappable peripheral pin / GPIO RC3 |
| Pin 23 | RPC4/RC4 — Remappable peripheral pin / GPIO RC4 |
| Pin 24 | RPC5/RC5 — Remappable peripheral pin / GPIO RC5 |
| Pin 25 | VSS — Ground reference |
| Pin 26 | VDD — Core/IO supply voltage |
| Pin 27 | RPC6/RC6 — Remappable peripheral pin / GPIO RC6 |
| Pin 28 | RPC7/RC7 — Remappable peripheral pin / GPIO RC7 |
| Pin 29 | RPC8/RC8 — Remappable peripheral pin / GPIO RC8 |
| Pin 30 | RPC9/RC9 — Remappable peripheral pin / GPIO RC9 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Core/IO supply voltage |
| Pin 33 | RPC10/RC10 — Remappable peripheral pin / GPIO RC10 |
| Pin 34 | RPC11/RC11 — Remappable peripheral pin / GPIO RC11 |
| Pin 35 | RPC12/RC12 — Remappable peripheral pin / GPIO RC12 |
| Pin 36 | AVDD — Analog supply voltage (ADC reference) |
| Pin 37 | AVSS — Analog ground reference |
| Pin 38 | AN0/RPA0 — Analog input 0 / GPIO RA0 |
| Pin 39 | AN1/RPA1 — Analog input 1 / GPIO RA1 |
| Pin 40 | AN2/RPA2 — Analog input 2 / GPIO RA2 |
| Pin 41 | AN3/RPA3 — Analog input 3 / GPIO RA3 |
| Pin 42 | AN4/RPA4 — Analog input 4 / GPIO RA4 |
| Pin 43 | AN5/RPA5 — Analog input 5 / GPIO RA5 |
| Pin 44 | AN6/RPA6 — Analog input 6 / GPIO RA6 |
| Pin 45 | AN7/RPA7 — Analog input 7 / GPIO RA7 |
| Pin 46 | AN8/RPB10 — Analog input 8 / GPIO RB10 |
| Pin 47 | AN9/RPB11 — Analog input 9 / GPIO RB11 |
| Pin 48 | AN10/RPB12 — Analog input 10 / GPIO RB12 |
| Pin 49 | AN11/RPB13 — Analog input 11 / GPIO RB13 |
| Pin 50 | AN12/RPB14 — Analog input 12 / GPIO RB14 |
| Pin 51 | AN13/RPB15 — Analog input 13 / GPIO RB15 |
| Pin 52 | VREF+/CVREF+ — ADC voltage reference positive / comparator reference |
| Pin 53 | VREF-/CVREF- — ADC voltage reference negative / comparator reference |
| Pin 54 | VBAT — Battery backup supply for RTCC |
| Pin 55 | RPD0/RD0 — Remappable peripheral pin / GPIO RD0 |
| Pin 56 | RPD1/RD1 — Remappable peripheral pin / GPIO RD1 |
| Pin 57 | RPD2/RD2 — Remappable peripheral pin / GPIO RD2 |
| Pin 58 | RPD3/RD3 — Remappable peripheral pin / GPIO RD3 |
| Pin 59 | RPD4/RD4 — Remappable peripheral pin / GPIO RD4 |
| Pin 60 | RPD5/RD5 — Remappable peripheral pin / GPIO RD5 |
| Pin 61 | RPD6/RD6 — Remappable peripheral pin / GPIO RD6 |
| Pin 62 | RPD7/RD7 — Remappable peripheral pin / GPIO RD7 |
| Pin 63 | RPD8/RD8 — Remappable peripheral pin / GPIO RD8 |
| Pin 64 | RPD9/RD9 — Remappable peripheral pin / GPIO RD9 |
Typical Applications
PIC32MK0512MCM064-I/MR is suitable for 6 applications: Field-Oriented Control (FOC) Motor Drives, Industrial IIoT Edge Nodes with CAN-FD, Solar Inverter and Power Conversion Control, PLC I/O and Industrial Automation, Robotics and CNC Motion Controllers, Building Automation and HVAC Controllers.
Field-Oriented Control (FOC) Motor Drives
The PIC32MK0512MCM064-I/MR is purpose-built for FOC motor drives. Its MIPS32 microAptiv core runs at 120 MHz with hardware FPU (IEEE-754 single/double precision) and DSP extensions (single-cycle MAC, four 64-bit accumulators) so that Park/Clarke transforms and PI loops complete inside a single PWM period. The dedicated high-resolution motor-control PWM peripherals allow center-aligned complementary outputs with programmable dead-time, while the multi-core 12-bit ADC supports simultaneous current and voltage sampling - essential for sensorless FOC. With 512 KB of ECC-protected dual-panel Flash, firmware can include complex state machines, speed estimators, and protection routines. Compared to a Cortex-M4F alternative, the MCM variant keeps the FOC loop deterministic without cache-miss jitter, making it ideal for BLDC, PMSM, and AC induction motor drives up to several kW.
Recommended
Industrial IIoT Edge Nodes with CAN-FD
The PIC32MK0512MCM064-I/MR fits Industrial Internet of Things edge nodes because it integrates USB Full-Speed and CAN-FD on-chip alongside 512 KB ECC Flash for over-the-air (OTA) updates. According to Microchip datasheet DS60001570D, the dual-panel Flash architecture lets a device receive a new image on one panel while executing from the other, eliminating firmware-update downtime in 24/7 industrial systems. The 120 MHz MIPS32 microAptiv core with FPU comfortably runs TLS, MQTT, and Modbus protocol stacks in parallel with sensor sampling. Its 2.3 V to 3.6 V supply range simplifies integration with 3.3 V industrial sensors and isolated CAN transceivers such as MCP2562FD. Designers benefit from the same QFN-64 footprint as the rest of the PIC32MK family, allowing rapid migration between industrial-control and motor-control variants.
Recommended
Solar Inverter and Power Conversion Control
The PIC32MK0512MCM064-I/MR is a strong fit for solar inverter control loops where MPPT, inverter modulation, and grid synchronization must execute deterministically. The combination of 120 MHz MIPS32 microAptiv core, hardware FPU, DSP extensions, and 512 KB ECC Flash lets a single MCU run MPPT algorithms, sine-triangle PWM generation, and anti-islanding protection while logging telemetry. The high-resolution motor-control PWM peripherals, originally targeted at FOC, can also drive full-bridge DC-AC stages for micro-inverters. CAN-FD provides a robust industrial bus for inter-module communication in three-phase string inverters, while USB Full-Speed enables on-site firmware updates. Industrial -40C to +85C temperature support (I-grade) covers outdoor inverter environments without derating.
Recommended
PLC I/O and Industrial Automation
For PLC I/O modules and industrial automation controllers, the PIC32MK0512MCM064-I/MR delivers the right balance of computation, connectivity, and reliability. Its 120 MHz MIPS32 microAptiv core with hardware DSP extensions handles fast scan times (sub-millisecond) for digital I/O refresh, while 512 KB ECC Flash stores ladder-logic or IEC 61131-3 runtimes. Integrated USB and CAN-FD allow seamless integration with HMI panels and fieldbus networks. The 12-bit ADC with multiple SAR cores enables high-speed analog input sampling for process control. The 64-pin QFN footprint is shared across the PIC32MK family, allowing OEMs to source-pin-compatible variants for I/O-density scaling (e.g. PIC32MK1024 for larger programs). The industrial -40C to +85C range and ECC Flash ensure long-term field reliability in factory environments.
Recommended
Robotics and CNC Motion Controllers
Robotics and CNC motion controllers benefit from the PIC32MK0512MCM064-I/MR's combination of DSP, FPU, and dedicated motor-control peripherals. The FPU accelerates 6-axis inverse-kinematics and trajectory-planning math, while the high-resolution PWM and 12-bit multi-core ADC allow multi-axis servo control with sub-microsecond timing accuracy. CAN-FD provides a robust multi-drop bus for distributed servo drives, and USB Full-Speed allows tethered programming and G-code streaming. ECC Flash and dual-panel update support are critical for production-line robots that cannot tolerate unplanned downtime. The 64-QFN (9x9 mm) footprint enables compact motion-controller PCBs that fit inside robot joint housings. Same-family drop-in alternatives like PIC32MK1024MCM064 (1 MB Flash) let designers scale memory without changing the PCB.
Recommended
Building Automation and HVAC Controllers
Building automation and HVAC controllers require a mix of analog sensing, motor control (for fans, dampers, compressors), and networked communication - all of which the PIC32MK0512MCM064-I/MR provides. Its DSP+FPU core handles PID loops for temperature and pressure regulation, while the integrated motor-control PWM can drive variable-speed fan and compressor BLDC motors directly. CAN-FD and USB interfaces connect to BACnet, Modbus, or proprietary building-automation gateways. ECC Flash and industrial -40C to +85C operation ensure long-term reliability in rooftop and basement HVAC installations where temperature swings are severe. The 64-QFN footprint allows the MCU to sit on small controller boards inside compact HVAC control panels.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512MCM064-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512MCM064-E/MR | PIC32MK0512MCJ064-E/MR | PIC32MK0512GPE064T-I/MR | PIC32MK0512GPK064T-I/MR | PIC32MK0512GPD064-I/MR | PIC32MK1024MCM064-I/MR |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (MR) 9x9 mm | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same |
| Core / Architecture | MIPS32 microAptiv, FPU + DSP | MIPS32 microAptiv, FPU + DSP - same | MIPS32 microAptiv, FPU + DSP - same | MIPS32 microAptiv, FPU + DSP - same | MIPS32 microAptiv, FPU + DSP - same | MIPS32 microAptiv, FPU + DSP - same | MIPS32 microAptiv, FPU + DSP - same |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Program Flash | 512 KB ECC dual-panel | 512 KB ECC dual-panel | 512 KB ECC dual-panel | 512 KB ECC dual-panel | 512 KB ECC dual-panel | 512 KB ECC dual-panel | 1024 KB ECC dual-panel |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| CAN-FD | Yes | Yes | Yes | No | Yes | No | Yes |
| Dedicated Motor-Control PWM | Yes (MCM sub-family) | Yes | No (MCJ sub-family) | No (GPE sub-family) | No (GPK sub-family) | No (GPD sub-family) | Yes |
| Sub-Family / Position | MCM (Motor Control with CAN-FD) | MCM (Motor Control with CAN-FD) - same | MCJ (General Purpose with CAN-FD) | GPE (General Purpose Enhanced) | GPK (General Purpose with CAN-FD) | GPD (General Purpose D-class) | MCM (Motor Control, 1 MB Flash) |
Key Differentiators
- Dedicated motor-control PWM peripherals (vs PIC32MK0512MCJ064-E/MR)
- Higher Flash density in same package (vs PIC32MK0512MCM064-E/MR)
- CAN-FD retained vs GPE variant (vs PIC32MK0512GPE064T-I/MR)
- Industrial temperature grade standard (vs PIC32MK0512MCM064-E/MR)
Design Notes
The PIC32MK0512MCM064-I/MR requires a clean 3.3 V supply; place a 10 uF bulk ceramic capacitor near each pair of VDD/VSS pins plus a 100 nF decoupling cap within 5 mm of every VDD pin. The internal 1.8 V LDO supplies the core, but transients from FOC PWM switching can couple into the analog rail - add a ferrite bead or Pi-filter between the digital and AVDD rails. Per Microchip datasheet DS60001570D, brown-out reset thresholds and power-on-reset timings must be respected at startup.
The 64-QFN (MR) package has an exposed thermal pad (EP) that MUST be soldered to a continuous ground copper pour covering at least 1 square inch for the 120 MHz core. Without thermal pad soldering, junction temperature will rise rapidly when the MCU is executing DSP/FPU code at full rate. Estimate: at 120 MHz with FPU active, core current draw increases by ~15-20% versus non-FPU code, and missing thermal pad can push theta_JA above 40 C/W instead of the recommended ~28 C/W with proper PCB design.
For QFN-64 (MR) land pattern use Microchip's recommended PCB footprint with 0.5 mm pitch pads and a thermal pad array of vias (0.3 mm drill, 0.5 mm pitch). Keep ADC traces (AN0-AN13, VREF+/-, AVSS) away from PWM switching traces to avoid coupling noise into the 12-bit ADC samples. The CAN-FD TX/RX differential pair should be impedance-matched to 120 ohms with a termination resistor near the bus end, and USB DP/DM traces must be 90 ohm differential with matched length.
Do NOT confuse the /MR (QFN) variant with the /PT (TQFP) variant - both share the same silicon but different footprints. The PIC32MK0512MCM064-I/MR and PIC32MK0512MCM064-I/PT are NOT interchangeable without PCB redesign. Also note that the MCM (Motor Control) sub-family is required for FOC; the MCJ (General Purpose with CAN-FD) sub-family shares the same QFN footprint but lacks dedicated motor-control PWM, which silently breaks FOC firmware if substituted without recompiling peripheral mappings.
When using the 12-bit ADC for current sensing in FOC, synchronize ADC conversions to the PWM center point to maximize noise rejection. Use the dedicated ADC core pairing (shared-core mode) and oversample+decimate by 4 if SNR > 60 dB is needed. Decouple AVDD with a separate ferrite from VDD to isolate the analog rail from digital switching transients. A 100 nF + 10 uF + 1 uF combination on AVDD near the IC is recommended per datasheet guidance.
Compliance Information
RoHS and lead-free compliance per Microchip material declaration. AEC-Q100 is not applicable for this industrial-grade -I variant; Microchip offers automotive-grade PIC32MK variants separately. Halogen-free status not stated in the verified data.
