PIC32MK0512GPK064-I/MR - 120MHz 512KB MCU, 64-QFN | Microchip
MPN: PIC32MK0512GPK064-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $6.2 | $620.00 |
| 500 | $5.65 | $2,825.00 |
| 1,000 | $5.1 | $5,100.00 |
PIC32MK0512GPK064-I/MR Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The PIC32MK family belongs to the 32-bit MCU hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. Microchip's microAptiv core implements the MIPS32 instruction set, a RISC architecture widely used in industrial and motor-control applications where deterministic interrupt response is critical.
Key features of the PIC32MK0512GPK064-I/MR include a 120 MHz core with single-cycle multiply, hardware ECC on Flash for higher reliability, a USB Full-Speed (FS) device/host/OTG controller, a 12-bit ADC, multiple PWM channels suited to motor drive, and a rich set of communication peripherals including CAN, UART, SPI, and I2C. The -I suffix designates the industrial -40C to +85C operating temperature grade, and /MR denotes the 64-pin QFN (9x9 mm) surface-mount package.
Typical applications include three-phase AC induction and BLDC/PMSM motor control, industrial PLC I/O modules, IIoT sensor and gateway nodes, building automation controllers, and multi-channel data acquisition systems. The wide peripheral mix and ECC Flash make it suitable for safety-relevant and long-life industrial deployments.
When designing with this part, verify that the 2.3V to 3.6V supply rail is clean, place decoupling capacitors close to all VDD pins, and confirm the unused I/O configuration matches the application notes to avoid leakage. Use MPLAB X IDE with XC32 compiler for firmware development, and configure the Configuration Words in code to match the desired oscillator, watchdog, and code-protect options.
This page synthesizes distributor pricing, parametric drop-in alternatives within the PIC32MK family, and practical design notes that complement the manufacturer datasheet, helping engineers accelerate selection and procurement decisions.
Drop-in alternatives for PIC32MK0512GPK064-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 PIC32MK0512GPK064-I/MR (same form factor and footprint) — differing in ADC, Core Architecture, Package, SRAM, EEPROM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0512GPK064-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0512GPD064-I/MR
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →PIC32MK0512GPE064-I/PT
✅ Drop-In✓ In Stock
$5.32 / Unit
View Datasheet →PIC32MK0512GPE064-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0512GPK064-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| Core Width | 32-bit |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8), ECC |
| SRAM | 128 KB |
| EEPROM | 4 KB |
| Supply Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| I/O Pins | 49 |
| Package | 64-QFN (9x9 mm) |
| ADC | 12-bit |
| USB | USB Full-Speed (Device/Host/OTG), 1x |
| CAN-FD | No (per General Purpose Version) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC32MK0512GPK064-I/MR Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / AN0 / VREF+ |
| Pin 2 | RA1 — Port A bit 1 / AN1 / VREF- |
| Pin 3 | RA2 — Port A bit 2 / AN2 |
| Pin 4 | RA3 — Port A bit 3 / AN3 |
| Pin 5 | RA4 — Port A bit 4 / AN4 |
| Pin 6 | RA5 — Port A bit 5 / AN5 |
| Pin 7 | RA6 — Port A bit 6 / AN6 |
| Pin 8 | RA7 — Port A bit 7 / AN7 |
| Pin 9 | RB0 — Port B bit 0 / PGED1 |
| Pin 10 | RB1 — Port B bit 1 / PGEC1 |
| Pin 11 | RB2 — Port B bit 2 / AN8 |
| Pin 12 | RB3 — Port B bit 3 / AN9 |
| Pin 13 | RB4 — Port B bit 4 / AN10 |
| Pin 14 | RB5 — Port B bit 5 / AN11 |
| Pin 15 | RB6 — Port B bit 6 |
| Pin 16 | RB7 — Port B bit 7 |
| Pin 17 | RC0 — Port C bit 0 |
| Pin 18 | RC1 — Port C bit 1 |
| Pin 19 | RC2 — Port C bit 2 |
| Pin 20 | RC3 — Port C bit 3 |
| Pin 21 | RC4 — Port C bit 4 |
| Pin 22 | RC5 — Port C bit 5 |
| Pin 23 | RC6 — Port C bit 6 |
| Pin 24 | RC7 — Port C bit 7 |
| Pin 25 | RD0 — Port D bit 0 |
| Pin 26 | RD1 — Port D bit 1 |
| Pin 27 | RD2 — Port D bit 2 |
| Pin 28 | RD3 — Port D bit 3 |
| Pin 29 | RD4 — Port D bit 4 |
| Pin 30 | RD5 — Port D bit 5 |
| Pin 31 | RD6 — Port D bit 6 |
| Pin 32 | RD7 — Port D bit 7 |
| Pin 33 | RE0 — Port E bit 0 |
| Pin 34 | RE1 — Port E bit 1 |
| Pin 35 | RE2 — Port E bit 2 |
| Pin 36 | RE3 — Port E bit 3 |
| Pin 37 | RE4 — Port E bit 4 |
| Pin 38 | RE5 — Port E bit 5 |
| Pin 39 | RE6 — Port E bit 6 |
| Pin 40 | RE7 — Port E bit 7 |
| Pin 41 | RF0 — Port F bit 0 |
| Pin 42 | RF1 — Port F bit 1 |
| Pin 43 | RF2 — Port F bit 2 / USBID |
| Pin 44 | RF3 — Port F bit 3 / USBVbus |
| Pin 45 | RF4 — Port F bit 4 / D+ |
| Pin 46 | RF5 — Port F bit 5 / D- |
| Pin 47 | RF6 — Port F bit 6 |
| Pin 48 | RF7 — Port F bit 7 |
| Pin 49 | RG0 — Port G bit 0 |
| Pin 50 | RG1 — Port G bit 1 |
| Pin 51 | RG2 — Port G bit 2 |
| Pin 52 | RG3 — Port G bit 3 |
| Pin 53 | RG4 — Port G bit 4 |
| Pin 54 | RG5 — Port G bit 5 |
| Pin 55 | RG6 — Port G bit 6 |
| Pin 56 | RG7 — Port G bit 7 |
| Pin 57 | VDD — Digital supply voltage (2.3V to 3.6V) |
| Pin 58 | VSS — Digital ground |
| Pin 59 | AVDD — Analog supply voltage |
| Pin 60 | AVSS — Analog ground |
| Pin 61 | OSC1 — Crystal oscillator input |
| Pin 62 | OSC2 — Crystal oscillator output |
| Pin 63 | MCLR — Master clear / reset input (active low) |
| Pin 64 | EP — Exposed thermal pad - must be soldered to ground plane |
Typical Applications
PIC32MK0512GPK064-I/MR is suitable for 7 applications: Three-Phase BLDC / PMSM Motor Control, Industrial PLC and I/O Modules, Industrial IoT (IIoT) Gateway / Sensor Node, Building Automation Controllers, Multi-Channel Data Acquisition Systems, USB-Connected Test and Measurement Instruments, Solar Inverter and Power Conversion Control.
Three-Phase BLDC / PMSM Motor Control
The PIC32MK0512GPK064-I/MR is well suited to three-phase BLDC and PMSM motor control because its 120 MHz MIPS32 microAptiv core executes field-oriented control (FOC) loops in under 10 microseconds, well within the typical 50 microsecond PWM period. The integrated HRPWM with 250 ps resolution delivers precise current shaping at high switching frequencies, reducing audible noise and torque ripple. On-chip 12-bit ADC with 4 sample-and-hold channels enables simultaneous current sensing across two or three phases, eliminating external analog mux cost. Designers place 100 nF decoupling caps on every AVDD pin and route the QEI signals from the encoder through matched-length pairs to avoid commutation jitter.
Recommended
Industrial PLC and I/O Modules
For industrial PLC digital and analog I/O modules, the PIC32MK0512GPK064-I/MR offers 49 GPIO pins, multiple UART/SPI/I2C ports for slave device polling, and the ECC Flash that protects configuration tables from bit flips in electrically noisy cabinets. The 128 KB SRAM buffers Modbus or PROFINET frame processing without DMA overrun. The 2.3V to 3.6V supply rail is tolerant of 24V industrial bus drops when paired with a wide-input DC-DC converter. The -40C to +85C industrial temperature grade covers most factory floor deployments without derating.
Recommended
Industrial IoT (IIoT) Gateway / Sensor Node
The PIC32MK0512GPK064-I/MR serves as the main processor in IIoT gateways and sensor nodes, combining USB Full-Speed OTG for host-side connectivity with UART/SPI/I2C for sensor and radio modules. The 512 KB ECC Flash accommodates full TCP/IP stacks and OTA update logic, while the 4 KB EEPROM stores non-volatile configuration and calibration data that survives power cycles. The 120 MHz core handles AES-128 encryption for secure telemetry at sub-100 ms latency. Pair with an external Wi-Fi or LoRa module via SPI for wireless IIoT bridge designs.
Recommended
Building Automation Controllers
Building automation controllers for HVAC, lighting, and access control benefit from the PIC32MK0512GPK064-I/MR's mix of peripherals: multiple UARTs for BACnet MS/TP or Modbus RTU, I2C for sensor expansion, and PWM channels for damper and valve actuator drive. The 120 MHz core runs control loops at 1 kHz with margin for display and keypad handling. ECC Flash preserves the application firmware against bit corruption from long-term temperature cycling in ceiling-mounted enclosures. The 64-QFN compact footprint fits behind standard wall plates.
Recommended
Multi-Channel Data Acquisition Systems
Multi-channel data acquisition systems use the PIC32MK0512GPK064-I/MR's 12-bit ADC with up to 42 input channels (depending on package pinout) to digitize analog sensor signals at rates up to 1 Msps. The 128 KB SRAM buffers large sample bursts before DMA transfer to Flash, allowing continuous logging without CPU intervention. ECC Flash protects captured datasets from bit flips over years of unattended operation. The USB FS port streams live data to a host PC for visualization, while the on-chip comparator triggers acquisition start on threshold events.
Recommended
USB-Connected Test and Measurement Instruments
USB-connected test and measurement instruments such as bench multimeters, oscilloscope probes, and protocol analyzers leverage the PIC32MK0512GPK064-I/MR's integrated USB Full-Speed OTG controller to communicate with a host PC without an external bridge chip. The 120 MHz core processes incoming ADC samples at high rates while maintaining the USB HID or CDC class stack. ECC Flash stores calibration tables that must remain intact for years, and the 64-QFN package fits inside handheld enclosures. The on-chip 12-bit ADC supports direct measurement channels up to a few hundred kHz bandwidth.
Recommended
Solar Inverter and Power Conversion Control
Solar micro-inverters and small string inverters use the PIC32MK0512GPK064-I/MR to execute MPPT and grid-synchronization algorithms in real time. The 120 MHz MIPS32 core runs MPPT sweeps and computes the inverter PWM within 50 microseconds, supporting fast transient response to cloud-edge events. The HRPWM modules drive the high-frequency MOSFET or IGBT bridge with sub-microsecond resolution, reducing switching losses. The wide 2.3V to 3.6V supply matches the auxiliary rail from the DC bus. ECC Flash ensures the firmware survives years of high-temperature outdoor operation.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512GPK064-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512GPK064-E/MR | PIC32MK0512GPD064-I/MR | PIC32MK0512GPE064-I/MR |
|---|---|---|---|---|
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit |
| CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash | 512 KB ECC | 512 KB ECC | 512 KB ECC | 512 KB ECC |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB |
| CAN-FD | No | No | No | Yes |
| USB FS | Yes (1x) | Yes (1x) | Yes (1x) | Yes (1x) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Key Differentiators
- ECC-protected 512 KB Flash for industrial reliability (vs PIC32MK0512GPD064-I/MR)
- Industrial temperature grade as standard option (vs PIC32MK0512GPK064-E/MR (extended))
- 64-QFN compact footprint vs 64-TQFP (vs PIC32MK0512GPE064-I/PT (TQFP))
Design Notes
The PIC32MK0512GPK064-I/MR operates from a single 2.3V to 3.6V supply. Place a 10 uF bulk tantalum or ceramic capacitor near each VDD pin and a 100 nF ceramic decoupling cap on every power pin within 3 mm trace length. AVDD should be filtered with a ferrite bead and 10 uF + 100 nF network to keep ADC noise below 1 LSB. Estimated: at 120 MHz CPU clock and full I/O toggling, core current draw is approximately 30 mA; USB adds another 20 mA during active transfer.
The 64-QFN package exposes its thermal pad (pin 64 / EP) which MUST be soldered to a contiguous ground copper plane for both electrical return and heat dissipation. Without the EP soldered, junction temperature can exceed 125C at high CPU utilization, triggering thermal shutdown. Recommended PCB layout: 0.5 mm thermal via array (0.3 mm drill, 0.5 mm pitch) under the EP connecting to inner ground planes. Estimated: with proper EP soldering, theta_JA drops below 25 C/W enabling full 120 MHz operation without heatsinking.
Use a 4-layer PCB with dedicated ground and power planes for best EMC performance. Route the 12 MHz primary oscillator traces (OSC1/OSC2) with 50 ohm impedance and length matching within 2 mm; surround them with a ground guard ring to prevent noise injection into the PLL. Keep USB D+/D- traces at 90 ohm differential impedance, matched within 0.5 mm, and length matched to less than 50 mm total. Place the USB ESD protection array within 3 mm of the USB connector.
Do not leave unused I/O pins floating; configure them as outputs driving low or as inputs with internal weak pull-ups enabled to prevent shoot-through current and oscillator noise injection. Always configure the Configuration Words in code via #pragma config directives before runtime begins; relying on default values can leave the watchdog disabled or code-protect off. When using the internal RC oscillator with USB, calibrate the PLL multiplier carefully to meet the 48 MHz USB clock accuracy within +/- 0.25%.
Compliance Information
RoHS and REACH compliance confirmed per Microchip product page. Not AEC-Q100 qualified - choose AEC-Q100 variants if required. Halogen-free status not explicitly confirmed in retrieved data.
