PIC32MK0512MCM064-E/MR - 32-bit 120MHz MCU, 512KB Flash | Microchip
MPN： PIC32MK0512MCM064-E/MR ✓ 啟用中PIC32MK0512MCM064-E/MR 概覽
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and programmable peripherals. The PIC32MK family sits within the broader PIC32 family of 32-bit microcontrollers, descended from the MIPS32 architecture and augmented with Microchip-specific peripherals. MCUs form the embedded control layer beneath real-time operating systems and firmware, executing deterministic code that drives sensors, motors, communication buses and human-machine interfaces.
Key features of this device include 512 KB of dual-panel Flash with ECC, 128 KB of SRAM, a 12-bit ADC with up to 42 analog inputs, motor-control PWMs with high-resolution edge placement, USB Full Speed, CAN-FD, multiple UART/SPI/I2C channels, and a wide set of timers. The QFN-64 (9x9) footprint exposes the full peripheral set while keeping the board area compact for dense designs.
Technically, the microAptiv core supports the MicroMIPS ISA for up to 40% smaller code size versus pure 32-bit mode, paired with a 5-stage pipeline and a tightly-coupled instruction cache. The DSP/FPU engine accelerates single-precision math and single-cycle MAC operations, enabling high-bandwidth control loops. Memory protection, ECC on Flash and a flexible interrupt controller support IEC 61508-class functional safety integrations.
Typical applications include field-oriented control (FOC) of three-phase PMSM and BLDC motors, industrial servo drives, solar inverters, PLCs, building automation, multi-channel data acquisition, and IIoT edge nodes. The combination of CAN-FD, USB and high-resolution PWMs makes the part especially attractive for connected motor nodes.
When designing with this part, ensure the four VDD/VSS pairs are each decoupled with 100 nF + bulk capacitance placed close to the pins. The high-resolution PWM requires careful grounding and short return paths to the gate drivers to avoid jitter, and unused pins should be configured as outputs to minimize current draw.
This page synthesizes distributor pricing, drop-in same-package alternatives, application pairings, and practical design notes that go beyond the manufacturer datasheet itself, helping engineers evaluate fit quickly.
直接替換替代品，適用於 PIC32MK0512MCM064-E/MR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC32MK0512MCM064-E/MR （相同外形與佔位） — 差異在於 Package, Operating Temperature, ADC, Core Architecture, USB.
PIC32MK0512MCF064
✅ 直接替換聯絡詢價
查看資料表 →PIC32MK0512MCJ064-E/R4X
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MK0256MCJ064-E/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MK0512GPD064-E/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MK0512GPE064T-I/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MK0512MCM064-E/MR 最大額定值與電氣特性
| Core Architecture | MIPS32 microAptiv (PIC32) |
| Core Width | 32-bit |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC |
| SRAM | 128 KB (data per PIC32MK family spec; one source quotes 131 KB) |
| DSP Extensions | DSP instructions, 4x 64-bit accumulators, single-cycle MAC |
| Floating Point Unit | Yes, single-precision hardware FPU |
| Instruction Set | MIPS32 / MicroMIPS (40% smaller code option) |
| ADC | 12-bit, multi-channel (motor-control optimized) |
| CAN | CAN-FD |
| USB | USB Full Speed (1x) |
| PWM | High-resolution Motor Control PWM |
| 工作溫度範圍 | -40C to +125C (E grade) |
| 封裝 | 64-QFN (9x9 mm), designated MR |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
PIC32MK0512MCM064-E/MR 腳位配置
| 腳位 1 | OSC1/CLKI/RA0 — External crystal/clock input or GPIO1/RA0 |
| 腳位 2 | OSC2/CLKO/RA1 — External crystal or GPIO2/RA1 |
| 腳位 3 | AN0/RB0 — Analog input 0 / GPIO RB0 |
| 腳位 4 | AN1/RB1 — Analog input 1 / GPIO RB1 |
| 腳位 5 | AN2/RB2 — Analog input 2 / GPIO RB2 |
| 腳位 6 | AN3/RB3 — Analog input 3 / GPIO RB3 |
| 腳位 7 | VDD — Digital supply voltage |
| 腳位 8 | VSS — Digital ground |
| 腳位 9 | AN4/RB4 — Analog input 4 / GPIO RB4 |
| 腳位 10 | AN5/RB5 — Analog input 5 / GPIO RB5 |
| 腳位 11 | AN6/RB6 — Analog input 6 / GPIO RB6 |
| 腳位 12 | AN7/RB7 — Analog input 7 / GPIO RB7 |
| 腳位 13 | AN8/RB8 — Analog input 8 / GPIO RB8 |
| 腳位 14 | AN9/RB9 — Analog input 9 / GPIO RB9 |
| 腳位 15 | AN10/RB10 — Analog input 10 / GPIO RB10 |
| 腳位 16 | AN11/RB11 — Analog input 11 / GPIO RB11 |
| 腳位 17 | AN12/RB12 — Analog input 12 / GPIO RB12 |
| 腳位 18 | AN13/RB13 — Analog input 13 / GPIO RB13 |
| 腳位 19 | AN14/RB14 — Analog input 14 / GPIO RB14 |
| 腳位 20 | AN15/RB15 — Analog input 15 / GPIO RB15 |
| 腳位 21 | VDD — Digital supply voltage |
| 腳位 22 | VSS — Digital ground |
| 腳位 23 | RC0 — GPIO RC0 |
| 腳位 24 | RC1 — GPIO RC1 |
| 腳位 25 | RC2 — GPIO RC2 |
| 腳位 26 | RC3 — GPIO RC3 |
| 腳位 27 | RC4 — GPIO RC4 |
| 腳位 28 | RC5 — GPIO RC5 |
| 腳位 29 | RC6 — GPIO RC6 |
| 腳位 30 | RC7 — GPIO RC7 |
| 腳位 31 | RC8 — GPIO RC8 |
| 腳位 32 | RC9 — GPIO RC9 |
| 腳位 33 | VSS — Digital ground |
| 腳位 34 | VDD — Digital supply voltage |
| 腳位 35 | RD0 — GPIO RD0 |
| 腳位 36 | RD1 — GPIO RD1 |
| 腳位 37 | RD2 — GPIO RD2 |
| 腳位 38 | RD3 — GPIO RD3 |
| 腳位 39 | RD4 — GPIO RD4 |
| 腳位 40 | RD5 — GPIO RD5 |
| 腳位 41 | RD6 — GPIO RD6 |
| 腳位 42 | RD7 — GPIO RD7 |
| 腳位 43 | RD8 — GPIO RD8 |
| 腳位 44 | RD9 — GPIO RD9 |
| 腳位 45 | RD10 — GPIO RD10 |
| 腳位 46 | RD11 — GPIO RD11 |
| 腳位 47 | VSS — Digital ground |
| 腳位 48 | VDD — Digital supply voltage |
| 腳位 49 | RE0 — GPIO RE0 |
| 腳位 50 | RE1 — GPIO RE1 |
| 腳位 51 | RE2 — GPIO RE2 |
| 腳位 52 | RE3 — GPIO RE3 |
| 腳位 53 | RE4 — GPIO RE4 |
| 腳位 54 | RE5 — GPIO RE5 |
| 腳位 55 | RE6 — GPIO RE6 |
| 腳位 56 | RE7 — GPIO RE7 |
| 腳位 57 | RF0 — GPIO RF0 |
| 腳位 58 | RF1 — GPIO RF1 |
| 腳位 59 | RF2 — GPIO RF2 |
| 腳位 60 | RF3 — GPIO RF3 |
| 腳位 61 | RF4 — GPIO RF4 |
| 腳位 62 | RF5 — GPIO RF5 |
| 腳位 63 | RF6 — GPIO RF6 |
| 腳位 64 | RF7 — GPIO RF7 |
| 腳位 65 | EP — Exposed thermal pad - connect to VSS for thermal dissipation |
典型應用
PIC32MK0512MCM064-E/MR 適用於 6 應用s: Field-Oriented Control of PMSM/BLDC Motors, Industrial Servo Drives and Robotics, Solar Inverters and Power Conversion, Industrial IoT Edge Nodes, Multi-Channel Data Acquisition Systems, Building Automation and HVAC Control.
Field-Oriented Control of PMSM/BLDC Motors
The PIC32MK0512MCM064-E/MR is purpose-built for field-oriented control (FOC) of three-phase PMSM and BLDC motors. Its 120 MHz microAptiv core combined with the hardware single-precision FPU and DSP extensions closes current and torque loops in well under 10 us, while the high-resolution Motor Control PWM peripherals generate centered or edge-aligned waveforms with sub-microsecond edge placement. The 12-bit ADC with dual Sample-and-Hold can sample two phase currents plus DC-bus voltage simultaneously, eliminating acquisition skew that would otherwise distort the Park/Clarke transforms. Compared with a software FPU on a Cortex-M4F part, the deterministic MIPS32 pipeline plus single-cycle MAC produces more consistent torque ripple performance in servo-class drives.
推薦
Industrial Servo Drives and Robotics
For multi-axis servo drives and small industrial robots, the PIC32MK0512MCM064-E/MR delivers the deterministic real-time performance that EtherCAT-style command loops demand. The core's 5-stage pipeline, hardware DSP, and 128 KB SRAM enable simultaneous position, velocity and current control loops without resorting to external memory. The QFN-64 (9x9 mm) footprint keeps the board small enough to fit a 40 mm-wide servo housing, while the -40C to +125C operating range supports factory-floor enclosures. The CAN-FD peripheral simplifies firmware updates and diagnostics on industrial fieldbuses that are migrating from classic CAN to CAN-FD, reducing host-side overhead in fleet commissioning.
推薦
Solar Inverters and Power Conversion
Solar micro-inverters and string inverters require real-time MPPT control with deterministic loop times, exactly the niche the PIC32MK0512MCM064-E/MR occupies. The high-resolution PWMs switch the IGBT/MOSFET bridge at 50 kHz or higher with sub-percent duty-cycle accuracy, while the 12-bit ADC samples inductor current and PV panel voltage without excessive latency. ECC-protected 512 KB Flash stores the MPPT lookup tables, grid-tie control firmware, and safety routines mandated by UL 1741. Compared with a generic Cortex-M4 at similar MHz, the MCM064's hardware FPU accelerates the trigonometric math used in PLL-based grid synchronization, freeing CPU bandwidth for housekeeping and comms.
推薦
Industrial IoT Edge Nodes
The PIC32MK0512MCM064-E/MR integrates USB Full Speed, CAN-FD, multiple UART/SPI/I2C channels, and a hardware FPU into a single QFN-64 part, making it ideal for IIoT edge nodes that aggregate multiple sensors and actuators. The MicroMIPS instruction set reduces code size by up to 40%, letting 512 KB Flash accommodate rich connectivity firmware (TLS stacks, MQTT clients, OPC UA) alongside the control loop. The wide -40C to +125C temperature range and ECC Flash suit outdoor and cabinet-mounted installations. Compared with a low-end Cortex-M0+ part, the MCM064 adds the determinism and DSP headroom required to do on-edge analytics before forwarding to the cloud.
推薦
Multi-Channel Data Acquisition Systems
Multi-channel data acquisition systems benefit from the PIC32MK0512MCM064-E/MR's 12-bit ADC with multiple analog inputs and DSP engine for real-time filtering. At 120 MHz the MCU can sample multiple channels simultaneously, run FIR/IIR filters, compute RMS, and stream results via USB or CAN-FD without dropping samples. The 128 KB SRAM buffers longer acquisitions before pushing to host storage. Compared with a fixed-function DSP, the integrated peripherals (UART, SPI, I2C) eliminate the need for a separate host MCU, reducing BOM and board area for compact instrumentation such as portable vibration analyzers and process monitors.
推薦
Building Automation and HVAC Control
Building automation controllers, including variable-air-volume (VAV) boxes, fan-coil units and rooftop HVAC controllers, fit naturally into the PIC32MK0512MCM064-E/MR's feature set. The 120 MHz core handles BACnet and Modbus stacks alongside PID loops for damper and valve actuators, while the 12-bit ADC reads multiple temperature, pressure and flow sensors. CAN-FD interconnects multiple controllers on a single trunk, reducing wiring cost. ECC Flash and the wide -40C to +125C range address the long-life requirements of commercial HVAC installations that often run continuously for 10+ years. Compared with a 16-bit PIC24 alternative, the MCM064 adds the FPU needed for energy optimization math without a clock-rate penalty.
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推薦產品摘要
工程參考資料，適用於 PIC32MK0512MCM064-E/MR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC32MK0512MCF064 | PIC32MK0512MCJ064-E/R4X | PIC32MK0256MCJ064-E/PT | PIC32MK0512GPD064-E/MR | PIC32MK0512GPE064T-I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (R4X) - same family footprint | 64-QFN (PT) - same family footprint | 64-QFN (MR) - same | 64-QFN (MR) - same |
| CPU Core | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB | 128 KB |
| Hardware FPU | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
主要差異化特點
- Hardware single-precision FPU accelerates control-loop math (對比PIC32MK0512MCF064)
- Larger Flash and richer motor-control peripherals than PIC24 alternative (對比PIC24HJ256GP610-I/PT)
- Same QFN-64 footprint across PIC32MK MCJ/MCF/MCM variants (對比PIC32MK0512MCJ064-E/R4X)
設計說明
The PIC32MK0512MCM064-E/MR has multiple VDD/VSS pairs around the QFN-64 perimeter. Decouple each VDD pin with a 100 nF X7R ceramic placed within 3 mm of the pin and add a shared 10 uF bulk near the regulator output. The exposed thermal pad (EP) is a VSS pad electrically; connecting it to a ground plane with a thermal via array is mandatory to keep junction temperature within the -40C to +125C operating range. Avoid sharing decoupling ground returns with high-current gate-drive ground to prevent switching noise coupling into ADC reference readings.
Lay out the 64-QFN (9x9) package with the central exposed pad soldered to a via-stitched thermal/ground pad. Use a 4-layer stack-up with the layer-2 plane dedicated to ground; route analog and digital signal traces on layer 3 and layer 4 to keep return paths short. Place the analog input traces away from PWM output traces to minimize capacitive coupling into the ADC inputs. The high-resolution PWM outputs should have matched-length traces to the gate drivers, ideally within 2 mm of the MCU, to keep propagation delay skew under 1 ns per phase.
Do not assume the bootloader fuses are pre-configured: the PIC32MK0512MCM064 ships with default fuses that may not match your application. Program the configuration bits (FOSCSEL, FWDT, FPOR) in your project before production to lock the oscillator mode, watchdog behavior and brown-out thresholds. Silicon errata DS80001456 documents open issues such as Flash RTSP behavior that firmware must work around. Always check the device marking against the latest errata revision before signing off firmware for release.
合規資訊
RoHS and REACH compliance per Microchip product page. AEC-Q100 qualification status not stated in available web data; the E grade indicates -40C to +125C industrial temperature range, not automotive qualification. Verify halogen-free and PPAP documentation with manufacturer if required by the end application.
