PIC32MK1024MCM064-E/MR - 120MHz MCU, 1MB Flash, 64-QFN | Microchip
MPN: PIC32MK1024MCM064-E/MR ✓ Hoạt độngPIC32MK1024MCM064-E/MR Tóm tắt
A 32-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of on-chip peripherals such as ADCs, timers, communication interfaces, and PWM modules. The PIC32MK family extends this base by adding a hardware FPU, DSP MAC engine, and motor-control-oriented peripherals. Within the broader taxonomy: PIC32MK -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The MIPS32 microAptiv core with MicroMIPS compressed mode delivers roughly 40% smaller code versus standard MIPS, enabling 1MB Flash to host substantial firmware images.
Key differentiating features include: a dedicated 12-bit, 3.75 Msps ADC with up to 48 channels (ideal for multi-phase motor current sensing), a high-resolution 16-channel PWM generator with 7.5ns resolution, four CAN-FD modules for industrial networking, one USB 2.0 Full-Speed OTG port, and a 32-channel DMA controller for offloading CPU data movement. ECC on Flash and parity on SRAM improve functional safety for IEC 60730-class designs.
Architecturally the device pairs a Harvard-style bus with tightly-coupled SRAM, dual I/O ports running at 60MHz (CPU/2), and a Peripheral Pin Select (PPS) system that allows flexible remapping of digital peripherals to physical pins. MicroMIPS code compression coexists with standard MIPS32 instructions, and a single-cycle hardware MAC supports saturating and fractional arithmetic favored by DSP and field-oriented-control (FOC) loops.
Typical application fits include: 3-phase BLDC/PMSM motor drives (FOC), industrial PLCs and servo controllers, multi-channel data acquisition front-ends, CAN-FD node controllers in industrial automation, and IIoT edge nodes bridging sensors to USB or CAN backbones. Industrial-grade -40C to +125C junction ratings suit outdoor enclosures and motor bays.
Design consideration: route the analog AVSS/AVDD pair with a clean star ground and keep ADC traces short, because the on-chip 12-bit ADC achieves best performance when its 1.0V internal bandgap reference is bypassed with low-ESR ceramic capacitors. The 64-QFN exposed pad must be soldered to a continuous ground plane for thermal dissipation; derate full 120MHz operation above 105C ambient with at least 1 sq.in. of top-side copper.
This page synthesizes distributor pricing, drop-in 64-QFN alternatives (including PIC32MK1024MCF064-E/MR, PIC32MK1024GPK064-E/MR, and the I-temp -I/MR variant), and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC32MK1024MCM064-E/MR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MK1024MCM064-E/MR (cùng hình factor và footprint) — khác nhau ở ADC, Package, Core Architecture, DSP Extensions, USB.
PIC32MK1024MCM064-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK1024MCM064T-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK1024MCF064-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK1024GPK064-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK0512MCM064-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK1024MCM064-E/MR Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 microAptiv (32-bit) |
| Maximum CPU Clock | 120 MHz |
| FPU | Single and double precision hardware FPU |
| DSP Extensions | 4x 64-bit accumulators, single-cycle MAC, MicroMIPS mode |
| Program Flash | 1 MB (1M x 8) with ECC |
| SRAM | 256 KB with parity |
| Hộp | 64-QFN 9x9 mm with exposed pad |
| Nhiệt độ hoạt động | -40C to +125C (E = -40C to +125C extended) |
| ADC | 12-bit, up to 3.75 Msps, up to 48 channels |
| PWM Channels | 16 high-resolution PWM outputs |
| CAN-FD Modules | 4 |
| USB | USB 2.0 Full-Speed OTG |
| DMA Channels | 32 |
| Điện áp cung cấp | 2.3V to 3.6V |
| Kiểu lắp đặt | Surface Mount (QFN) |
| Trạng thái RoHS | Compliant |
| Instruction Set | MIPS32 / MicroMIPS compressed |
Cấu hình chân PIC32MK1024MCM064-E/MR
| Chân 1 | RB0 — I/O port B bit 0 / AN0 |
| Chân 2 | RB1 — I/O port B bit 1 / AN1 |
| Chân 3 | RB2 — I/O port B bit 2 / AN2 |
| Chân 4 | RB3 — I/O port B bit 3 / AN3 |
| Chân 5 | RB4 — I/O port B bit 4 / AN4 |
| Chân 6 | RB5 — I/O port B bit 5 / AN5 |
| Chân 7 | VSS — Ground |
| Chân 8 | RB6 — I/O port B bit 6 / AN6 / PGEC1 |
| Chân 9 | RB7 — I/O port B bit 7 / AN7 / PGED1 |
| Chân 10 | RB8 — I/O port B bit 8 / AN8 |
| Chân 11 | RB9 — I/O port B bit 9 / AN9 |
| Chân 12 | RB10 — I/O port B bit 10 / AN10 |
| Chân 13 | RB11 — I/O port B bit 11 / AN11 |
| Chân 14 | RB12 — I/O port B bit 12 / AN12 |
| Chân 15 | RB13 — I/O port B bit 13 / AN13 |
| Chân 16 | RB14 — I/O port B bit 14 / AN14 |
| Chân 17 | RB15 — I/O port B bit 15 / AN15 |
| Chân 18 | VSS — Ground |
| Chân 19 | VDD — Core/digital supply 2.3-3.6V |
| Chân 20 | RA0 — I/O port A bit 0 |
| Chân 21 | RA1 — I/O port A bit 1 |
| Chân 22 | RA2 — I/O port A bit 2 |
| Chân 23 | RA3 — I/O port A bit 3 |
| Chân 24 | RA4 — I/O port A bit 4 |
| Chân 25 | RA5 — I/O port A bit 5 |
| Chân 26 | RA6 — I/O port A bit 6 |
| Chân 27 | RA7 — I/O port A bit 7 |
| Chân 28 | RC0 — I/O port C bit 0 |
| Chân 29 | RC1 — I/O port C bit 1 |
| Chân 30 | RC2 — I/O port C bit 2 |
| Chân 31 | RC3 — I/O port C bit 3 |
| Chân 32 | RC4 — I/O port C bit 4 |
| Chân 33 | RC5 — I/O port C bit 5 |
| Chân 34 | RC6 — I/O port C bit 6 |
| Chân 35 | RC7 — I/O port C bit 7 |
| Chân 36 | RC8 — I/O port C bit 8 |
| Chân 37 | RC9 — I/O port C bit 9 |
| Chân 38 | VSS — Ground |
| Chân 39 | VDD — Core/digital supply 2.3-3.6V |
| Chân 40 | RD0 — I/O port D bit 0 |
| Chân 41 | RD1 — I/O port D bit 1 |
| Chân 42 | RD2 — I/O port D bit 2 |
| Chân 43 | RD3 — I/O port D bit 3 |
| Chân 44 | RD4 — I/O port D bit 4 |
| Chân 45 | RD5 — I/O port D bit 5 |
| Chân 46 | RD6 — I/O port D bit 6 |
| Chân 47 | RD7 — I/O port D bit 7 |
| Chân 48 | RD8 — I/O port D bit 8 |
| Chân 49 | RD9 — I/O port D bit 9 |
| Chân 50 | RD10 — I/O port D bit 10 |
| Chân 51 | RD11 — I/O port D bit 11 |
| Chân 52 | RD12 — I/O port D bit 12 |
| Chân 53 | RD13 — I/O port D bit 13 |
| Chân 54 | RD14 — I/O port D bit 14 |
| Chân 55 | RD15 — I/O port D bit 15 |
| Chân 56 | VSS — Ground |
| Chân 57 | VDD — Core/digital supply 2.3-3.6V |
| Chân 58 | RE0 — I/O port E bit 0 |
| Chân 59 | RE1 — I/O port E bit 1 |
| Chân 60 | RE2 — I/O port E bit 2 |
| Chân 61 | RE3 — I/O port E bit 3 |
| Chân 62 | RE4 — I/O port E bit 4 |
| Chân 63 | RE5 — I/O port E bit 5 |
| Chân 64 | RE6 — I/O port E bit 6 |
Ứng dụng tiêu biểu
PIC32MK1024MCM064-E/MR phù hợp cho 6 Áp dụngs: 3-Phase PMSM/BLDC Motor Drive (FOC), Industrial PLC and Servo Controller, Multi-Channel Data Acquisition Front-End, CAN-FD IIoT Edge Node, Field-Oriented Solar Inverter Controller, USB-Connected Motor Control Development Platform.
3-Phase PMSM/BLDC Motor Drive (FOC)
Why: The PIC32MK1024MCM064-E/MR's 120MHz MIPS32 microAptiv core with hardware FPU and four 64-bit accumulators executes field-oriented control loops at PWM frequencies up to 20kHz with single-cycle MAC throughput. Its 16-channel high-resolution PWM with 7.5ns edge placement drives three-phase bridges directly without external gate drivers for low-current stages, while the 12-bit 3.75Msps ADC simultaneously samples phase currents (3 channels) and DC-bus voltage for sensorless or encoder-based commutation. How: Placed as the central controller between the gate-driver stage (e.g. Microchip MCP8024 or UCC21530) and the motor terminals, with current-sense op-amps feeding the ADC inputs. Unlike Cortex-M3 alternatives, the integrated DSP extensions run FOC transforms (Clark/Park) and SVPWM in hardware, leaving the CPU free for CAN-FD comms and USB diagnostics. Trade-off: dissipates ~150mA at 120MHz so a small ground copper pour on the QFN pad is required above 105C ambient.
Được đề xuất
Industrial PLC and Servo Controller
Why: Four independent CAN-FD modules make the PIC32MK1024MCM064-E/MR a natural hub for industrial PLCs and multi-axis servo controllers, where CANopen and CAN-FD protocols dominate. The 120MHz CPU handles 4-8 axes of motion profiling at 1ms cycle time, the 32 DMA channels unburden the CPU from time-critical register I/O, and the USB 2.0 FS port supports engineering tool connectivity for firmware updates and HMI debug. How: Used as the main CPU with one CAN-FD channel per servo axis (or per HMI panel), USB connecting to a programming laptop, and UART/SPI for stepper driver daisy-chaining. ECC-protected 1MB Flash stores the IEC 61131-3 runtime plus safety libraries; SRAM parity detects transient errors during long uptime. Trade-off: ECC adds ~5% Flash write latency but eliminates single-bit error accumulation in long-running industrial plants.
Được đề xuất
Multi-Channel Data Acquisition Front-End
Why: The 12-bit, 3.75 Msps ADC with up to 48 input channels allows the PIC32MK1024MCM064-E/MR to digitize many analog sensors (strain gauges, thermocouples via front-end, pressure transducers) in parallel. The DMA controller moves conversion results directly to SRAM at full sample rate, freeing the CPU for statistical processing or FFT computation via the DSP extensions - eliminating an external ADC chip in many embedded designs. How: Placed between analog signal-conditioning op-amps and a USB or CAN-FD host, with the on-chip ADC sampling at 100kHz per channel. Each sample is double-buffered via DMA into SRAM, then block-transferred to the host. Trade-off: 12-bit resolution (not 16-bit) limits dynamic range to ~72dB; for higher-precision DAQ consider a companion 16/24-bit sigma-delta ADC over SPI.
Được đề xuất
CAN-FD IIoT Edge Node
Why: Four CAN-FD modules combined with USB 2.0 FS OTG make the PIC32MK1024MCM064-E/MR ideal for IIoT edge nodes that aggregate sensor data from CANopen or CAN-FD field buses and forward to a USB-tethered gateway or local HMI. The 1MB Flash stores gateway firmware plus device description files (EDS/DCF), and ECC ensures reliability in unattended industrial installations. How: Functions as a CAN-to-USB bridge with on-board sensor aggregation logic; the CPU performs protocol translation while DMA streams CAN messages into memory. The USB OTG port can act as device (tethered gateway) or host (logging to USB stick). Trade-off: no on-chip Ethernet MAC - for EtherCAT/PROFINET an external controller is required.
Được đề xuất
Field-Oriented Solar Inverter Controller
Why: The PIC32MK1024MCM064-E/MR's high-resolution PWM (7.5ns edge resolution) drives IGBT or SiC half-bridges at 20-50kHz switching frequencies required for grid-tie solar inverters. The FPU runs MPPT (Maximum Power Point Tracking) and grid-synchronization algorithms in real-time, while four 64-bit accumulators handle the complex PLL and Park/Clark transforms for grid-current shaping with THD below 3%. How: Placed between current/voltage sensors and IGBT gate drivers; ADC inputs sample PV string voltage, DC-link voltage, and grid L1/L2/L3 currents at 50ksps each. Trade-off: at 120MHz CPU clock the device cannot drive more than ~10kW single-stage converters - for higher power use two PIC32MK MCUs in master/slave topology with shared CAN-FD sync.
Được đề xuất
USB-Connected Motor Control Development Platform
Why: The PIC32MK1024MCM064-E/MR's integrated USB 2.0 FS OTG and dual CAN-FD interfaces let engineers build a single-board motor-control development platform with PC-side tuning software. With 1MB Flash and 256KB SRAM, the device runs closed-loop FOC plus PC GUI communication simultaneously without external memory, accelerating algorithm iteration cycles. How: Used on developer boards with USB-C connectors for PC comms, JTAG/SWD for debugging, and CAN-FD headers for multi-board synchronization. Trade-off: USB Full-Speed (12Mbps) limits GUI telemetry bandwidth to ~1MB/s - for high-rate oscilloscope-style data, use the CAN-FD channels instead.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MK1024MCM064-E/MR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC32MK1024MCM064-I/MR | PIC32MK1024MCM064T-E/MR | PIC32MK1024MCF064-E/MR | PIC32MK1024GPK064-E/MR | PIC32MK0512MCM064-E/MR |
|---|---|---|---|---|---|---|
| Package | 64-QFN 9x9 mm | 64-QFN 9x9 mm - same | 64-QFN 9x9 mm - same | 64-QFN 9x9 mm - same | 64-QFN 9x9 mm - same | 64-QFN 9x9 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB (-50%) |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 64 KB |
| CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Motor-Control PWM | 16 channels | 16 channels | 16 channels | Reduced count | None | 16 channels |
| CAN-FD Modules | 4 | 4 | 4 | 4 | None | 4 |
| ADC Channels | up to 48 | up to 48 | up to 48 | up to 48 | up to 48 | up to 42 |
| Approx. Unit Price (qty 100) | $7.60 | Lower (I-temp saves ~$1) | Similar (T&R variant) | Lower (no motor PWM) | Lower (no motor/CAN-FD) | Lower (half Flash) |
Bảo phân biệt quan trọng
- Highest Flash + SRAM in 64-QFN PIC32MK family (vsPIC32MK0512MCM064-E/MR)
- Full motor-control PWM set with 4x CAN-FD (vsPIC32MK1024GPK064-E/MR)
- Extended -40C to +125C operating range (vsPIC32MK1024MCM064-I/MR)
- Hardware FPU + DSP MAC in 64-QFN (vsPIC32MK1024MCF064-E/MR)
Ghi chú thiết kế
Estimated: at 120MHz CPU clock, VDD = 3.3V, the PIC32MK1024MCM064-E/MR core current is approximately 30mA plus peripheral leakage. The 64-QFN 9x9mm package has a typical theta_JA around 28 C/W on a 4-layer JEDEC test PCB. To sustain full 120MHz operation up to +125C junction, solder the exposed thermal pad to a continuous GND copper pour of at least 1 sq.in. on top layer; derate CPU speed above 105C ambient or add a small copper heatsink. Estimated: input values used are typical Microchip MK family figures - verify against the family datasheet thermal table.
Separate analog and digital ground planes with a single-point bridge under the MCU AVSS pin. Place the 12-bit ADC decoupling (10uF + 0.1uF ceramic) within 5mm of the AVDD pin, and route analog input traces differentially where possible to reject common-mode noise. The 48MHz external crystal load capacitors should be NPO/C0G ceramic with 1% tolerance to keep USB Full-Speed jitter under the USB-IF mask. PPS (Peripheral Pin Select) allows flexible digital peripheral remapping - use the MPLAB Code Configurator to lock pin assignments and avoid conflicts.
Do not exceed the 3.6V absolute-maximum VDD rating - even brief transients above 4.0V will damage the Flash cells permanently. ECC is mandatory for IEC 60730-class reliability: enable ECC generation in configuration bits and never disable it in firmware. For motor-control designs, the PWM fault input must be configured and verified at startup - an uninitialized PWM can drive the H-bridge to a destructive state. For USB designs, ensure the VBUS sense pin is monitored before connecting the USB transceiver to the bus; otherwise back-powering can occur.
CAN-FD bus termination: place 120 ohm resistors at each end of the bus only, not at every node. Keep CAN-FD traces under 1/4 of the rise time (~10cm at 1Mbps) and route them as an 8-mils/8-mils differential pair with 100 ohm differential impedance. The USB DP/DM traces require 90 ohm differential impedance; add a common-mode choke for EMI compliance. The high-resolution PWM outputs (7.5ns resolution) can ring on long traces - add 22 ohm series resistors within 10mm of the MCU pin to dampen reflections when driving external gate drivers.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. AEC-Q100 qualification not available - this part targets industrial/consumer, not automotive. Halogen-free per Microchip packaging marking.
