PIC32MK0512MCJ048-I/7MX - 120MHz MCU 512KB Flash 48-VQFN | Microchip
MPN: PIC32MK0512MCJ048-I/7MX ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.85 | $5.85 |
| 10 | $5.32 | $53.20 |
| 100 | $4.78 | $478.00 |
| 500 | $4.31 | $2,155.00 |
| 1,000 | $3.86 | $3,860.00 |
PIC32MK0512MCJ048-I/7MX Overview
What is a 32-bit MCU? A microcontroller (MCU) is a single-chip computer containing a CPU core, memory (Flash for program storage, SRAM for data), and integrated peripherals. The PIC32MK0512MCJ048 belongs to the hierarchy: 32-bit microcontroller -> ARM/MIPS-class MCU -> PIC32 family -> PIC32MK sub-family -> motor-control + CAN-FD + FPU/DSP variant. MCUs dominate embedded control because they integrate decision-making, timing, and peripheral interfacing into one package, replacing discrete logic + microprocessor + external memory designs.
Key differentiating features include: 120MHz core with hardware FPU and DSP extensions (IEEE 754 single and double precision), 512KB dual-panel Flash with live update capability, ECC-protected memory, integrated CAN-FD controller, dedicated motor-control PWM peripherals, four 64-bit accumulators for high-dynamic-range signal processing, and 12-bit ADC at up to 3.75 Msps. The 48-VQFN package with exposed thermal pad enables compact industrial and IIoT designs.
Architecture depth: The microAptiv core implements the MIPS32r2 ISA with MicroMIPS compressed mode, giving a 40% code-density advantage over pure 32-bit. The FPU executes IEEE 754 single- and double-precision operations in hardware, freeing the CPU for control loops. Four 64-bit accumulators and single-cycle 32x32 MAC with saturating math enable field-oriented control (FOC) algorithms for permanent-magnet synchronous motors (PMSM) and brushless DC (BLDC) drives within a single chip.
Typical applications include field-oriented motor control (PMSM/BLDC), industrial PLC and automation, CAN-FD networked sensor nodes, multi-channel data acquisition, robotics and servo drives, and Industrial IoT (IIoT) edge controllers. The combination of FPU, CAN-FD, and motor-control PWM makes it a single-chip solution for closed-loop motor control over industrial buses.
Design consideration: When migrating from a PIC32MX to PIC32MK0512, note that the 48-VQFN pinout differs - verify the package land pattern against the datasheet (DS60001570D) before reusing existing PCB footprints. The device requires a 2.3V-3.6V supply; 5V-tolerant I/O simplifies interfacing to legacy 5V sensors and gate drivers but the core supply must still be regulated.
This page synthesizes Microchip distributor pricing, pin-compatible drop-in alternatives from the PIC32MK family, and engineering design notes for motor-control firmware development that are not found in the standalone datasheet.
Drop-in alternatives for PIC32MK0512MCJ048-I/7MX — 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 PIC32MK0512MCJ048-I/7MX (same form factor and footprint) — differing in Package, ADC, DSP Extensions, Core, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0512MCJ048-E/7MX
✅ Drop-In✓ In Stock
$4.75 / Unit
View Datasheet →PIC32MK0256MCJ048-I/7MX
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0256MCJ048-E/7MX
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →PIC32MK0512GPG048-E/7MX
✅ Drop-In✓ In Stock
$4.09 / Unit
View Datasheet →PIC32MK0512GPG048-I/Y8X
✅ Drop-In✓ In Stock
$6.92 / Unit
View Datasheet →PIC32MK0512MCJ048-I/7MX Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (32-bit) |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| Data Memory (SRAM) | 64 KB |
| FPU | Yes - IEEE 754 single and double precision |
| DSP Extensions | 4x 64-bit accumulators, single-cycle MAC, saturating/fractional math |
| MicroMIPS Mode | Yes (40% smaller code size) |
| Supply Voltage | 2.3 V to 3.6 V |
| I/O Count | 37 |
| I/O Source/Sink | Up to 22 mA |
| 5V Tolerant I/O Pins | 5 |
| Package | 48-VQFN (6x6 mm) with exposed pad |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| CAN-FD | Yes - integrated |
| Motor Control PWM | Yes - dedicated peripherals |
| ADC | 12-bit |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC32MK0512MCJ048-I/7MX 48-vqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC32MK0512MCJ048-I/7MX (48-vqfn (6x6 mm) with exposed pad 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 PIC32MK0512MCJ048-I/7MX.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MK0512MCJ048-I/7MX is suitable for 6 applications: Field-Oriented Control (FOC) Motor Drives, Industrial IoT (IIoT) Edge Controllers, Robotics Servo and Stepper Controllers, Multi-Channel Data Acquisition Systems, Automotive-Grade Body and Chassis ECUs (Non-Safety), DSP Audio and Signal Processing Nodes.
Field-Oriented Control (FOC) Motor Drives
The PIC32MK0512MCJ048-I/7MX is purpose-built for FOC motor control, executing Park/Clarke transforms and PI current loops at full 120MHz using its IEEE 754 hardware FPU and four 64-bit accumulators. The dedicated motor-control PWM peripherals with complementary outputs and programmable dead-time directly drive 3-phase IGBT/MOSFET inverters for PMSM and BLDC motors up to several kW. The integrated 12-bit ADC at up to 3.75 Msps samples phase currents synchronously to the PWM, enabling sensorless FOC via BEMF estimation or closed-loop with encoder feedback. CAN-FD connectivity allows the drive to participate in industrial multi-axis networks. Recommended companions: gate driver MCP8024, 3-phase IGBT module, isolated CAN transceiver MCP2562FD.
Recommended
Industrial IoT (IIoT) Edge Controllers
With 120MHz MIPS compute, 512KB Flash, and CAN-FD, the PIC32MK0512MCJ048-I/7MX serves as a compact IIoT edge node aggregating sensor data from CAN-FD or analog sources, executing local DSP filtering on the hardware FPU, and forwarding summaries upstream. ECC-protected 512KB dual-panel Flash supports over-the-air firmware updates with rollback, critical for deployed industrial installations. Five 5V-tolerant I/O pins interface to legacy 4-20mA or 0-10V industrial sensors without level shifters. The 48-VQFN 6x6 footprint enables DIN-rail mount module designs. Recommended companions: MCP2562FD CAN-FD transceiver for fieldbus, MCP2221A USB-to-UART bridge for service port.
Recommended
Robotics Servo and Stepper Controllers
The PIC32MK0512MCJ048-I/7MX drives multi-axis robotics servos by combining its hardware FPU for inverse-kinematics computations with up to six complementary PWM channels for stepper and DC-servo drive signals. The 64KB SRAM accommodates trajectory buffers for 4-6 axis coordinated motion without external memory. CAN-FD enables coordinated multi-robot communication on a single industrial bus. Industrial -40C to +85C rating supports factory-floor deployment. The 22 mA I/O source/sink directly drives opto-isolated servo inputs without buffers. Recommended companions: DRV8711 stepper gate driver, MCP2562FD CAN-FD transceiver, incremental encoder interface via QEI peripherals.
Recommended
Multi-Channel Data Acquisition Systems
The PIC32MK0512MCJ048-I/7MX is well-suited to multi-channel data acquisition: its 12-bit ADC with up to 3.75 Msps throughput samples multiple analog channels for vibration, temperature, or strain measurements, while the FPU executes real-time FFT and digital filtering on 4k-sample windows in microseconds. ECC-protected 512KB Flash stores calibration coefficients and DSP coefficient tables, and 64KB SRAM buffers sample blocks between FFT passes. CAN-FD uploads aggregated waveforms to a host PLC. The 5V-tolerant I/O pins directly interface to legacy 5V sensor signal-conditioning ASICs. Recommended companions: MCP3564 24-bit delta-sigma ADC for precision channels, MCP2562FD for CAN-FD upload.
Recommended
Automotive-Grade Body and Chassis ECUs (Non-Safety)
Although PIC32MK0512MCJ048-I/7MX itself is industrial-grade (-40C to +85C), it serves as a development platform for non-safety automotive body electronics such as HVAC actuators, lighting controllers, and accessory modules. The CAN-FD peripheral provides a migration path from CAN 2.0B to higher-bandwidth body networks. The 512KB Flash accommodates AUTOSAR-style MCAL layers plus application code. Designers porting to production should evaluate the AEC-Q100-qualified PIC32MK automotive variants in the same family. Recommended companions: MCP2562FD CAN-FD transceiver, TJA1055 for CAN-FD fault tolerance, LIN transceiver MCP2003B for sub-bus nodes.
Recommended
DSP Audio and Signal Processing Nodes
The PIC32MK0512MCJ048-I/7MX's hardware FPU, four 64-bit accumulators, and single-cycle 32x32 MAC deliver DSP-class throughput for real-time audio processing, active noise cancellation (ANC), and sensor-fusion signal conditioning. MicroMIPS mode compresses DSP code by 40%, fitting larger algorithm libraries in the 512KB Flash. Up to 3.75 Msps ADC sampling combined with the DMA engine enables continuous audio-bandwidth capture (48 kHz stereo) with zero CPU intervention for transfer. CAN-FD carries processed audio metadata to a central head unit in automotive or industrial audio systems. Recommended companions: MCP6024 op-amp for audio front-end, MCP4725 DAC for analog monitoring output.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512MCJ048-I/7MX — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512MCJ048-E/7MX | PIC32MK0256MCJ048-I/7MX | PIC32MK0256MCJ048-E/7MX | PIC32MK0512GPG048-E/7MX | PIC32MK0512GPG048-I/Y8X |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-VQFN (6x6) | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same |
| Flash | 512 KB | 512 KB | 256 KB | 256 KB | 512 KB | 512 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Max CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Motor Control PWM | Yes | Yes | Yes | Yes | No (general-purpose) | No (general-purpose) |
| CAN-FD | Yes | Yes | Yes | Yes | No (general-purpose) | No (general-purpose) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Key Differentiators
- Same silicon die as E-suffix variant - drop-in compatible (vs PIC32MK0512MCJ048-E/7MX)
- Higher Flash density at same footprint and price point (vs PIC32MK0256MCJ048-I/7MX)
- Motor-control + CAN-FD peripheral set integrated (vs PIC32MK0512GPG048-E/7MX)
Design Notes
PIC32MK0512MCJ048-I/7MX operates from a single 2.3V-3.6V rail. Decouple VDD/VSS pairs with 100nF X7R ceramic as close as possible to each pin pair, plus a bulk 4.7uF-10uF tantalum or ceramic on the main VDD rail. The 48-VQFN exposed thermal pad (EP) MUST be soldered to a continuous ground plane to provide both thermal dissipation and the lowest-impedance ground return. Estimated: at 120MHz with all peripherals active, core current is approximately 30-40 mA; quiescent current in sleep drops below 1 mA.
Route the 12-bit ADC analog inputs (ANx) away from the motor-control PWM outputs and switching power traces; place a ground moat between the analog and digital sections, joined at a single point near the MCU. The CAN-FD bus requires a 120 ohm termination resistor at each end of the bus; place the MCP2562FD transceiver within 50mm of the MCU CAN pins to keep the bus stubs short. Estimated: 4-layer PCB with continuous ground and power planes is recommended for 120MHz operation; 2-layer boards require careful impedance control for high-speed signals.
Three common pitfalls when migrating to PIC32MK from PIC32MX: (1) the 48-VQFN (6x6) pinout differs from PIC32MX 48-pin variants - do not assume drop-in PCB reuse without verifying the datasheet DS60001570D pin map; (2) MicroMIPS mode must be enabled via configuration bits, otherwise 40% code-density gains are lost; (3) the motor-control PWM peripheral requires specific PPS (Peripheral Pin Select) assignments that conflict with default GPIO mappings - lock PPS once configured to avoid accidental remapping. Always program the flash wait-state bits to match the system clock configuration.
Compliance Information
RoHS compliant per Microchip product page; not AEC-Q100 qualified (refer to PIC32MK automotive variants for AEC-Q100); conflict-minerals compliant per Microchip sustainability portal. Halogen-free status not explicitly disclosed - consult Microchip environmental compliance letter if required.
