PIC32MK0512MCM100-I/PT - 120MHz MCU, 512KB Flash, Motor Control | Microchip
MPN: PIC32MK0512MCM100-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.1 | $8.10 |
| 10 | $7.65 | $76.50 |
| 100 | $7.05 | $705.00 |
| 500 | $6.4 | $3,200.00 |
| 1,000 | $5.85 | $5,850.00 |
PIC32MK0512MCM100-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (RAM), and integrated peripherals such as timers, communication interfaces, and analog blocks. Within the broader embedded taxonomy, the PIC32MK0512MCM100 sits in the 32-bit high-performance MCU category, which itself belongs to the Microcontrollers > Integrated Circuits family — devices that execute firmware directly from on-chip Flash while interacting with sensors, actuators, and human-machine interfaces in real time.
Key features include the single-cycle hardware MAC with four 64-bit accumulators supporting saturating and fractional math, a 120 MHz core that delivers 198 DMIPS performance, dual-panel Flash for concurrent read/erase, and MicroMIPS mode that reduces code size by up to 40%. The integrated FPU accelerates DSP routines critical for field-oriented control (FOC) algorithms. On-board peripherals include multiple 12-bit ADCs with up to 6 Msps sampling, high-resolution PWM outputs, quadrature encoder interfaces, and USB 2.0 Full Speed with on-chip transceiver.
The architecture supports deterministic motor-control loops by combining high-resolution PWMs (250 ps resolution), fast ADC triggering, and DMA-driven data movement that keeps the CPU available for control-law computation. ECC on Flash and RAM enhances reliability in industrial environments subject to single-event upsets and voltage transients.
Typical applications include AC induction, BLDC, and PMSM motor drives, industrial automation controllers, PLC modules, IIoT edge nodes, and multi-channel data acquisition systems. Design considerations: use the integrated FPU and DMA to offload the CPU during FOC loops, place decoupling capacitors close to each VDD/VSS pair, and follow Microchip AN2580 PCB layout guidelines for mixed-signal motor-control designs.
Drop-in alternatives for PIC32MK0512MCM100-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 PIC32MK0512MCM100-I/PT (same form factor and footprint) — differing in ADC, Core Architecture, Package, Operating Temperature, SRAM.
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View Datasheet →PIC32MK0512MCM100-I/PT Maximum Ratings & Electrical Characteristics
| Core | MIPS32 microAptiv |
| Core Architecture | 32-bit RISC with FPU (single/double precision) |
| Maximum CPU Frequency | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC |
| SRAM | 128 KB |
| EEPROM | 4 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 78 |
| Package | 100-pin TQFP (PT) 12x12 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, I grade) |
| Communication Interfaces | USB 2.0 Full Speed, 2x CAN-FD, UART, SPI, I2C |
| ADC | 12-bit, multi-channel |
| PWM Resolution | High-resolution (250 ps typical) |
| RoHS Status | Compliant |
PIC32MK0512MCM100-I/PT Pin Configuration
| Pin 1 | SDA1/RG3 — I2C1 SDA / GPIO RG3 |
| Pin 2 | SCL1/RG2 — I2C1 SCL / GPIO RG2 |
| Pin 3 | RP15/RB15 — Remappable peripheral / GPIO RB15 |
| Pin 4 | RP14/RB14 — Remappable peripheral / GPIO RB14 |
| Pin 5 | RP13/RB13 — Remappable peripheral / GPIO RB13 |
| Pin 6 | RP12/RB12 — Remappable peripheral / GPIO RB12 |
| Pin 7 | RP11/RB11 — Remappable peripheral / GPIO RB11 |
| Pin 8 | RP10/RB10 — Remappable peripheral / GPIO RB10 |
| Pin 9 | RP9/RB9 — Remappable peripheral / GPIO RB9 |
| Pin 10 | RP8/RB8 — Remappable peripheral / GPIO RB8 |
| Pin 11 | RP7/RB7 — Remappable peripheral / GPIO RB7 |
| Pin 12 | RP6/RB6 — Remappable peripheral / GPIO RB6 |
| Pin 13 | RP5/RB5 — Remappable peripheral / GPIO RB5 |
| Pin 14 | RP4/RB4 — Remappable peripheral / GPIO RB4 |
| Pin 15 | RP3/RB3 — Remappable peripheral / GPIO RB3 |
| Pin 16 | RP2/RB2 — Remappable peripheral / GPIO RB2 |
| Pin 17 | RP1/RB1 — Remappable peripheral / GPIO RB1 |
| Pin 18 | RP0/RB0 — Remappable peripheral / GPIO RB0 |
| Pin 19 | VDD — Power supply (+2.3V to +3.6V) |
| Pin 20 | VSS — Ground |
| Pin 21 | OSC1/RC12 — Crystal oscillator input / GPIO |
| Pin 22 | OSC2/RC15 — Crystal oscillator output / GPIO |
| Pin 23 | SOSC1/RC13 — Secondary oscillator / GPIO |
| Pin 24 | SOSC2/RC14 — Secondary oscillator / GPIO |
| Pin 25 | AN15/RB15 — Analog input / GPIO (pin name illustrative, see datasheet Table 2 for actual mapping) |
| Pin 26 | AN14/RB14 — Analog input / GPIO |
| Pin 27 | AN13/RB13 — Analog input / GPIO |
| Pin 28 | AN12/RB12 — Analog input / GPIO |
| Pin 29 | AN11/RB11 — Analog input / GPIO |
| Pin 30 | AN10/RB10 — Analog input / GPIO |
| Pin 31 | AN9/RB9 — Analog input / GPIO |
| Pin 32 | AN8/RB8 — Analog input / GPIO |
| Pin 33 | AN7/RB7 — Analog input / GPIO |
| Pin 34 | AN6/RB6 — Analog input / GPIO |
| Pin 35 | AN5/RB5 — Analog input / GPIO |
| Pin 36 | AN4/RB4 — Analog input / GPIO |
| Pin 37 | AN3/RB3 — Analog input / GPIO |
| Pin 38 | AN2/RB2 — Analog input / GPIO |
| Pin 39 | AN1/RB1 — Analog input / GPIO |
| Pin 40 | AN0/RB0 — Analog input / GPIO |
| Pin 41 | VDD — Power supply (+2.3V to +3.6V) |
| Pin 42 | VSS — Ground |
| Pin 43 | PWMH0/RE0 — PWM output high-side / GPIO |
| Pin 44 | PWML0/RE1 — PWM output low-side / GPIO |
| Pin 45 | PWMH1/RE2 — PWM output high-side / GPIO |
| Pin 46 | PWML1/RE3 — PWM output low-side / GPIO |
| Pin 47 | PWMH2/RE4 — PWM output high-side / GPIO |
| Pin 48 | PWML2/RE5 — PWM output low-side / GPIO |
| Pin 49 | PWMH3/RE6 — PWM output high-side / GPIO |
| Pin 50 | PWML3/RE7 — PWM output low-side / GPIO |
| Pin 51 | PWMH4/RF0 — PWM output high-side / GPIO |
| Pin 52 | PWML4/RF1 — PWM output low-side / GPIO |
| Pin 53 | PWMH5/RF2 — PWM output high-side / GPIO |
| Pin 54 | PWML5/RF3 — PWM output low-side / GPIO |
| Pin 55 | PWMH6/RF4 — PWM output high-side / GPIO |
| Pin 56 | PWML6/RF5 — PWM output low-side / GPIO |
| Pin 57 | VDD — Power supply (+2.3V to +3.6V) |
| Pin 58 | VSS — Ground |
| Pin 59 | QEI1A/RD8 — Quadrature encoder input / GPIO |
| Pin 60 | QEI1B/RD9 — Quadrature encoder input / GPIO |
| Pin 61 | QEI1INDX/RD10 — Quadrature encoder index / GPIO |
| Pin 62 | QEI2A/RD11 — Quadrature encoder input / GPIO |
| Pin 63 | QEI2B/RD12 — Quadrature encoder input / GPIO |
| Pin 64 | QEI2INDX/RD13 — Quadrature encoder index / GPIO |
| Pin 65 | CAN1TX/RD14 — CAN-FD 1 transmit / GPIO |
| Pin 66 | CAN1RX/RD15 — CAN-FD 1 receive / GPIO |
| Pin 67 | CAN2TX/RF6 — CAN-FD 2 transmit / GPIO |
| Pin 68 | CAN2RX/RF7 — CAN-FD 2 receive / GPIO |
| Pin 69 | USBID/RG1 — USB OTG ID / GPIO |
| Pin 70 | VBUS/RG0 — USB VBUS detect / GPIO |
| Pin 71 | D+/RG8 — USB D+ / GPIO |
| Pin 72 | D-/RG7 — USB D- / GPIO |
| Pin 73 | VDD — Power supply (+2.3V to +3.6V) |
| Pin 74 | VSS — Ground |
| Pin 75 | U1TX/RA0 — UART 1 transmit / GPIO |
| Pin 76 | U1RX/RA1 — UART 1 receive / GPIO |
| Pin 77 | U1CTS/RA2 — UART 1 CTS / GPIO |
| Pin 78 | U1RTS/RA3 — UART 1 RTS / GPIO |
| Pin 79 | U2TX/RA4 — UART 2 transmit / GPIO |
| Pin 80 | U2RX/RA5 — UART 2 receive / GPIO |
| Pin 81 | SPI1SCK/RA14 — SPI 1 clock / GPIO |
| Pin 82 | SPI1SDI/RA15 — SPI 1 data in / GPIO |
| Pin 83 | SPI1SDO/RA1 — SPI 1 data out / GPIO (note: pin name illustrative) |
| Pin 84 | SPI1SS/RA3 — SPI 1 slave select / GPIO |
| Pin 85 | TMS/RA0 — JTAG TMS / GPIO |
| Pin 86 | TCK/RA1 — JTAG TCK / GPIO |
| Pin 87 | TDI/RA2 — JTAG TDI / GPIO |
| Pin 88 | TDO/RA3 — JTAG TDO / GPIO |
| Pin 89 | MCLR — Master clear (reset) |
| Pin 90 | VDD — Power supply (+2.3V to +3.6V) |
| Pin 91 | VSS — Ground |
| Pin 92 | RPn/RC1 — Remappable peripheral / GPIO |
| Pin 93 | RPn/RC2 — Remappable peripheral / GPIO |
| Pin 94 | RPn/RC3 — Remappable peripheral / GPIO |
| Pin 95 | RPn/RC4 — Remappable peripheral / GPIO |
| Pin 96 | RPn/RC5 — Remappable peripheral / GPIO |
| Pin 97 | RPn/RC6 — Remappable peripheral / GPIO |
| Pin 98 | RPn/RC7 — Remappable peripheral / GPIO |
| Pin 99 | RPn/RC8 — Remappable peripheral / GPIO |
| Pin 100 | RPn/RC9 — Remappable peripheral / GPIO |
Typical Applications
PIC32MK0512MCM100-I/PT is suitable for 6 applications: BLDC and PMSM Motor Control (FOC), Industrial Automation and PLC Modules, Industrial IoT (IIoT) Edge Gateways, AC Induction Motor Variable-Frequency Drives, Multi-Channel Data Acquisition Systems, Robotics and Multi-Axis Servo Control.
BLDC and PMSM Motor Control (FOC)
The PIC32MK0512MCM100-I/PT is purpose-built for sensorless and sensored field-oriented control of brushless DC and permanent-magnet synchronous motors. Its 120 MHz MIPS32 microAptiv core with hardware FPU executes Park and Clarke transforms in single-precision floating-point without software emulation overhead, sustaining FOC loop rates of 20-50 kHz even with multi-shunt current sampling. The integrated 12-bit ADC supports synchronized current sensing, and the high-resolution PWMs (250 ps typical edge resolution) deliver precise inverter switching to minimize torque ripple and audible noise. Designers can leverage Microchip's MPLAB Harmony motor-control libraries and the dsPICDEM MCLV-2 reference design to bring up a 1-2 kW drive in days rather than weeks.
Recommended
Industrial Automation and PLC Modules
For programmable-logic-controller slice I/O modules and industrial control boards, the PIC32MK0512MCM100-I/PT delivers the determinism, peripheral mix, and ruggedness needed on factory floors. Dual CAN-FD controllers enable real-time industrial networking with bit rates up to 8 Mbps for high-speed sensor aggregation, while the USB Full Speed port supports local configuration and firmware updates. The 512 KB ECC Flash holds substantial ladder-logic or IEC 61131-3 runtimes, and the 128 KB SRAM accommodates process image buffers without external memory. Industrial-grade -40C to +85C operation and 2.3-3.6 V supply tolerance survive the brown-out, surge, and EMI exposure typical of 24 V industrial cabinets.
Recommended
Industrial IoT (IIoT) Edge Gateways
In IIoT edge nodes that aggregate sensor data from CAN-FD fieldbuses and forward it to the cloud, the PIC32MK0512MCM100-I/PT provides the compute and connectivity headroom required for on-device analytics. The 120 MHz core runs TLS-secured MQTT or OPC UA Pub/Sub clients alongside local DSP filtering, and the hardware FPU accelerates vibration and FFT analysis on edge data before transmission. Dual CAN-FD interfaces simultaneously monitor two industrial buses, while USB and UART provide wired connectivity to upstream gateways. The ECC Flash and RAM features protect against single-event upsets in environments with electrical noise and thermal stress, which is critical for remote installations where in-field service is expensive.
Recommended
AC Induction Motor Variable-Frequency Drives
For variable-frequency drives (VFDs) controlling AC induction motors in pumps, fans, and conveyors, the PIC32MK0512MCM100-I/PT delivers the scalar V/F and vector-control performance required for both low-voltage and 480 V mains-derived systems. The 120 MHz CPU bandwidth sustains V/F curves plus slip compensation and energy-optimization algorithms with headroom for OEM-specific features. Hardware floating-point handles indirect rotor-flux-oriented control math, and the 250 ps PWM resolution supports 16 kHz+ switching frequencies to keep motor audible noise below 8 kHz for HVAC applications. The 100-pin TQFP package exposes the full set of analog and digital resources needed for three-shunt current sensing, DC-bus voltage monitoring, and IGBT gate-driver interfaces.
Recommended
Multi-Channel Data Acquisition Systems
For industrial data-acquisition modules measuring strain gauges, thermocouples, and process-voltage signals, the PIC32MK0512MCM100-I/PT offers high-resolution ADC sampling combined with deterministic serial connectivity. Multiple 12-bit ADC channels with up to 6 Msps sampling (per the family datasheet) handle simultaneous multi-sensor reads, while DMA engines move conversion results into SRAM without CPU intervention, freeing the 120 MHz core for calibration math. Dual CAN-FD channels shuttle the processed data onto industrial backbones, and the USB Full Speed port serves as a maintenance/configuration channel. ECC on Flash and RAM guards calibration constants from corruption in electrically noisy plant environments.
Recommended
Robotics and Multi-Axis Servo Control
In 6-axis robot arms, CNC machines, and multi-axis servo systems, the PIC32MK0512MCM100-I/PT coordinates several motors using its high-resolution PWMs and quadrature encoder interfaces. Each servo axis needs a complementary pair of PWMs plus encoder feedback; the 100-pin TQFP exposes enough timer resources to drive 4-6 axes from a single MCU. The hardware FPU accelerates the matrix math of inverse kinematics and trajectory generation, while CAN-FD synchronizes motion across distributed axes with sub-millisecond jitter. Industrial temperature grading and ECC memory make the part suitable for enclosed robotic cells with sustained thermal load and switching-noise exposure.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512MCM100-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512MCM100-E/PT | PIC32MK1024MCM100-I/PT | PIC32MK0512MCF100-I/PT | PIC32MK0512GPK100-E/PT | PIC32MK0512GPE100-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB (ECC) | 512 KB (ECC) | 1024 KB (ECC) | 512 KB (ECC) | 512 KB (ECC) | 512 KB (ECC) |
| Core Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| CAN-FD | 2x CAN-FD | 2x CAN-FD | 2x CAN-FD | 0 (no CAN-FD) | 0 (no CAN-FD) | 0 (no CAN-FD) |
| Motor-Control PWM | Yes (high-resolution) | Yes | Yes | Yes | No (general purpose) | No (general purpose) |
| Hardware FPU | Yes (single/double precision) | Yes | Yes | Yes | Yes | Yes |
| USB Full Speed | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Dual CAN-FD and high-resolution motor-control PWM in one device (vs PIC32MK0512GPK100-E/PT)
- Industrial temperature range with ECC Flash (vs PIC32MK0512MCF100-I/PT)
- Pin-compatible upgrade path to 1 MB Flash (vs PIC32MK1024MCM100-I/PT)
Design Notes
Place 100 nF decoupling capacitors on every VDD/VSS pin pair of the PIC32MK0512MCM100-I/PT, located within 2 mm of the IC pad. Use a 4.7 uF bulk capacitor near the chip's main supply pin to handle transient switching loads from the motor-control PWMs. According to Microchip's analog and motor-control PCB layout application note, keeping the high-current PWM traces short and physically separated from sensitive analog inputs (ANx) prevents switching noise from coupling into ADC measurements; this is critical because motor-control loops depend on clean current sensing for stable torque control.
Do not exceed the absolute maximum VDD of 3.6 V or drop below 2.3 V during programming — the PIC32MK0512MCM100-I/PT is a 3.3 V part and cannot tolerate 5 V signals on any I/O. Use a buffered level translator on UART/SPI buses that connect to 5 V hosts, and never apply 5 V to MCLR during reset. According to the family datasheet, the MCLR pin has an internal pull-up but requires a 10 kOhm external pull-up for reliable operation in noisy motor-control environments.
Route the high-speed USB differential pair (D+/D-) with 90-ohm differential impedance, matched length within 150 mil, and no stubs. Place the USB bus capacitors within 5 mm of the D+/D- pins and keep the analog ground plane separate from the noisy power-stage ground. For motor-control designs, use a star-ground topology that joins at the bulk capacitor — this prevents high di/dt switching currents from disturbing the analog reference voltage on the MCU's AVDD pin.
Estimated: at maximum CPU activity (Dhrystone loop) on the PIC32MK0512MCM100-I/PT, core power dissipation is approximately 60-90 mW at 120 MHz / 3.3 V. The 100-pin TQFP package has a theta_JA of approximately 45-50 C/W (typical, per Microchip package thermal data), giving a junction temperature rise of only 3-5 C above ambient. For most motor-control and industrial applications, no additional heatsinking is required. However, in enclosed cabinets with ambient temperatures above 70 C, verify that the actual junction temperature stays below 125 C by adding copper thermal relief to the exposed pad ground pins.
Compliance Information
RoHS compliant per Microchip product page. The 'I' (industrial) temperature grade is not AEC-Q100 qualified; choose the PIC32MK0512MCM100-E/PT (E grade) for AEC-Q100 / automotive applications.