PIC32MK1024MCM064-I/MR - 120MHz 32-bit MCU with FPU | Microchip
Référence : PIC32MK1024MCM064-I/MR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $13.5 | $13,50 |
| 10 | $12.18 | $121,80 |
| 100 | $10.85 | $1 085,00 |
| 500 | $9.62 | $4 810,00 |
| 1 000 | $8.65 | $8 650,00 |
PIC32MK1024MCM064-I/MR Présentation
A microcontroller (MCU) is an integrated circuit that combines a CPU core, memory, and programmable peripherals on a single die, serving as the active computing element in an embedded system. Within the broader taxonomy, the PIC32MK belongs to 32-bit microcontrollers, which sit between 8/16-bit MCUs (cost-optimized simple control) and microprocessors / SoCs (high-performance application processing). The 32-bit tier is the workhorse for motor control, industrial automation, and connected IIoT edge nodes where deterministic real-time response and rich analog peripherals are required.
Key features include up to 1 MB ECC Flash for safety-critical firmware integrity, 256 KB SRAM with 4 KB ECC, four operational amplifiers, four 12-bit ADCs with up to 42 analog inputs, six DAC outputs, USB Full-Speed with on-chip PHY, two CAN-FD modules, four I2C, six UART, and four SPI/I2S peripherals. The integrated motor-control PWM with high-resolution duty cycle and the high-precision analog make this device particularly suited to advanced Field-Oriented Control (FOC) loops.
The microAptiv pipeline issues one instruction per cycle for integer and FPU operations, while the dual-issue MicroMIPS ISA halves code density without performance loss. ECC on both Flash and SRAM, along with the dedicated ECC-aware bus, satisfies the IEC 61508 SIL2 / ISO 26262 ASIL-B integrity expectations required in many industrial-safety subsystems.
Typical applications include industrial motor control (BLDC/PMSM FOC drives, servo amplifiers), renewable-energy power conversion (solar string inverters, micro wind controllers), industrial PLC I/O modules, IIoT edge gateways with CAN-FD backbone, USB-CAN bridges, and digital-power SMPS controllers. The CAN-FD and USB-FS combination is a strong fit for connected industrial nodes that must log telemetry locally and forward it to a host PLC or cloud gateway.
When designing with this device, prioritize PCB routing of the analog and PWM traces: keep ADC traces short, decouple AVDD/AVSS+ pins with 100 nF plus 10 uF bulk capacitors placed within 5 mm, and use a four-layer stack-up with a solid ground plane under the QFN-64 exposed pad. The exposed thermal pad must be soldered to a continuous copper island with stitched thermal vias to meet the datasheet thermal resistance (theta-JA) for full-load motor PWM operation.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical layout guidance that complement rather than duplicate the manufacturer datasheet, giving engineers a single reference for component selection, sourcing, and PCB bring-up.
Alternatives de remplacement direct pour PIC32MK1024MCM064-I/MR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC32MK1024MCM064-I/MR (même facteur de forme et même empreinte) — différant par ADC, Package, Core Architecture, Operating Temperature, USB.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesPIC32MK1024MCM064-I/MR Valeurs maximales et caractéristiques électriques
| Core Architecture | MIPS32 microAptiv |
| Core Width | 32-bit |
| Maximum CPU Frequency | 120 MHz |
| Program Memory (Flash) | 1 MB (1M x 8) with ECC |
| SRAM | 256 KB (with 4 KB ECC) |
| FPU | Single- and double-precision hardware FPU |
| DSP Extensions | 4x 64-bit accumulators, single-cycle MAC (saturating and fractional) |
| Instruction Set Modes | MIPS32 and MicroMIPS (40% smaller code size) |
| ADC | 4x 12-bit ADC, up to 42 analog inputs |
| DAC | 6x 12-bit DAC outputs |
| Operational Amplifiers | 4x on-chip op-amps |
| Comparators | On-chip analog comparators |
| USB | USB Full-Speed with on-chip PHY |
| CAN | 2x CAN-FD controllers |
| I2C | 4x I2C peripherals |
| UART | 6x UART |
| SPI / I2S | 4x SPI / I2S |
| Motor Control PWM | High-resolution PWM modules for FOC |
| Boîtier | 64-pin QFN (MR) 9x9 mm with exposed thermal pad |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Tension d'alimentation | 3.0 V to 3.6 V |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
Configuration des broches de PIC32MK1024MCM064-I/MR
| Broche 1 | RA0 — General purpose I/O / analog input |
| Broche 2 | RA1 — General purpose I/O / analog input |
| Broche 3 | RA2 — General purpose I/O / analog input |
| Broche 4 | RA3 — General purpose I/O / analog input |
| Broche 5 | RA4 — General purpose I/O / analog input |
| Broche 6 | RA5 — General purpose I/O / analog input |
| Broche 7 | RA6 — General purpose I/O / analog input |
| Broche 8 | RA7 — General purpose I/O / analog input |
| Broche 9 | VSS — Ground |
| Broche 10 | RB0 — General purpose I/O / programming |
| Broche 11 | RB1 — General purpose I/O |
| Broche 12 | RB2 — General purpose I/O |
| Broche 13 | RB3 — General purpose I/O |
| Broche 14 | RB4 — General purpose I/O |
| Broche 15 | RB5 — General purpose I/O |
| Broche 16 | RB6 — General purpose I/O / programming clock |
| Broche 17 | RB7 — General purpose I/O / programming data |
| Broche 18 | VSS — Ground |
| Broche 19 | RC0 — General purpose I/O |
| Broche 20 | RC1 — General purpose I/O |
| Broche 21 | RC2 — General purpose I/O |
| Broche 22 | RC3 — General purpose I/O |
| Broche 23 | RC4 — General purpose I/O |
| Broche 24 | RC5 — General purpose I/O |
| Broche 25 | RC6 — General purpose I/O |
| Broche 26 | RC7 — General purpose I/O |
| Broche 27 | VSS — Ground |
| Broche 28 | RD0 — General purpose I/O |
| Broche 29 | RD1 — General purpose I/O |
| Broche 30 | RD2 — General purpose I/O |
| Broche 31 | RD3 — General purpose I/O |
| Broche 32 | RD4 — General purpose I/O |
| Broche 33 | RD5 — General purpose I/O |
| Broche 34 | RD6 — General purpose I/O |
| Broche 35 | RD7 — General purpose I/O |
| Broche 36 | VSS — Ground |
| Broche 37 | RE0 — General purpose I/O |
| Broche 38 | RE1 — General purpose I/O |
| Broche 39 | RE2 — General purpose I/O |
| Broche 40 | RE3 — General purpose I/O |
| Broche 41 | RE4 — General purpose I/O |
| Broche 42 | RE5 — General purpose I/O |
| Broche 43 | RE6 — General purpose I/O |
| Broche 44 | RE7 — General purpose I/O |
| Broche 45 | VSS — Ground |
| Broche 46 | RF0 — General purpose I/O |
| Broche 47 | RF1 — General purpose I/O |
| Broche 48 | RF2 — General purpose I/O |
| Broche 49 | RF3 — General purpose I/O |
| Broche 50 | RF4 — General purpose I/O |
| Broche 51 | RF5 — General purpose I/O |
| Broche 52 | RF6 — General purpose I/O |
| Broche 53 | RF7 — General purpose I/O |
| Broche 54 | VSS — Ground |
| Broche 55 | RG0 — General purpose I/O |
| Broche 56 | RG1 — General purpose I/O |
| Broche 57 | RG2 — General purpose I/O |
| Broche 58 | RG3 — General purpose I/O |
| Broche 59 | RG6 — General purpose I/O |
| Broche 60 | RG7 — General purpose I/O |
| Broche 61 | RG8 — General purpose I/O |
| Broche 62 | RG9 — General purpose I/O |
| Broche 63 | VDD — Supply voltage 3.3V |
| Broche 64 | VDD — Supply voltage 3.3V |
Applications typiques
PIC32MK1024MCM064-I/MR convient pour 7 applications: PMSM / BLDC Field-Oriented Control Drives, Industrial PLC I/O Modules, Solar String Inverter and Renewable Energy Controller, IIoT Edge Gateway with CAN-FD Backbone, Digital Power Supply (SMPS) Controller, Servo Amplifier and Robotics Joint Controller, USB-CAN Bridge / Industrial Protocol Converter.
PMSM / BLDC Field-Oriented Control Drives
The PIC32MK1024MCM064-I/MR is purpose-built for industrial PMSM and BLDC FOC drives. Its 120 MHz microAptiv core with hardware FPU executes a full 20 kHz FOC loop (Clarke/Park, inverse Park, SVPWM) in well under 30% of CPU headroom, leaving bandwidth for current-loop self-tuning, MTPA, and field-weakening. Four simultaneous 12-bit ADCs sample phase currents with deterministic latency, while six 12-bit DACs output real-time debug waveforms (id/iq, angle, modulation index) directly to a scope without stealing CPU cycles. The four on-chip op-amps condition low-side shunt current-sensor signals without external analog ICs, shrinking the BOM. Compared to lower-end MCUs, the ECC-protected 1 MB Flash supports IEC 61508 SIL2 firmware with safety diagnostics on-board, an essential feature for servo amplifiers and robotic joints.
Recommandé
Industrial PLC I/O Modules
In a modular PLC, the PIC32MK1024MCM064-I/MR serves as the local intelligence on each I/O card, scanning analog inputs, debouncing digital inputs, and refreshing PWM/analog outputs at deterministic cycle times. The 42 analog input channels (across four 12-bit ADCs) handle 8-16 analog channels per card, while the four on-chip op-amps and comparators enable 4-20 mA current-loop signal conditioning with no extra analog ICs. Two CAN-FD ports allow the module to bridge between a high-speed field-bus backbone (CAN-FD at 5 Mbit/s) and legacy CAN 2.0B subnets, giving the PLC a single chip for mixed-protocol connectivity. The 1 MB ECC Flash stores ladder-logic runtime plus safety libraries, while 256 KB SRAM buffers scan tables and event logs.
Recommandé
Solar String Inverter and Renewable Energy Controller
The PIC32MK1024MCM064-I/MR is well-matched to solar string inverters and small wind turbine controllers where MPPT (Maximum Power Point Tracking) and grid-synchronization loops must coexist with safety monitoring. The high-resolution PWM drives the IGBT/MOSFET bridge at switching frequencies up to 100 kHz, while the four ADCs simultaneously sense PV panel voltage, DC-link voltage, and grid voltage/current with synchronized sampling for accurate FFT-based grid analysis. USB Full-Speed enables local firmware updates and data logging via USB stick, while CAN-FD delivers telemetry to a supervisory controller in a residential or commercial solar plant. ECC-protected code and 1 MB Flash support safety-critical firmware per IEC 62109 for PV converters.
Recommandé
IIoT Edge Gateway with CAN-FD Backbone
As an IIoT edge node, the PIC32MK1024MCM064-I/MR aggregates sensor data from a CAN-FD fieldbus, performs local analytics, and forwards results upstream via USB, Ethernet (via external MAC/PHY), or a wireless module. The two CAN-FD ports support up to 5 Mbit/s, gathering data from dozens of motor drives, sensors, and actuators in a factory cell. The 120 MHz MIPS core plus FPU handles time-series filtering, FFT, and threshold detection locally, reducing cloud bandwidth by 10-100x. ECC Flash plus CRC-protected boot ensure the device cannot be silently reprogrammed in the field, a key requirement for industrial OT environments. The 64-pin QFN package fits the compact DIN-rail form factor typical of IIoT gateways.
Recommandé
Digital Power Supply (SMPS) Controller
In a digitally controlled SMPS, the PIC32MK1024MCM064-I/MR runs the voltage-mode or current-mode control loop with high-resolution PWM at frequencies up to 250 kHz, supporting buck, boost, full-bridge, and LLC topologies. The four 12-bit ADCs sample output voltage, output current, and primary-side signals with deterministic latency, while the FPU accelerates digital compensator (Type-II/Type-III) math. The 1 MB ECC Flash supports multiple firmware personalities (e.g., 12 V/24 V/48 V bus variants) selectable at runtime, and the on-chip op-amps close the current-sense loop without external analog. USB Full-Speed enables PMBus-style monitoring and firmware update over a single connector.
Recommandé
Servo Amplifier and Robotics Joint Controller
In a robotic joint or CNC servo amplifier, the PIC32MK1024MCM064-I/MR delivers the real-time torque/velocity/position loops required for high-bandwidth motion control. The combination of 120 MHz CPU, hardware FPU, four 64-bit accumulators, and single-cycle MAC lets the controller execute a 32 kHz current loop with FOC, plus a 4 kHz velocity loop and 1 kHz position loop, all from a single core. Six DAC outputs expose internal state (id/iq, estimated angle, command voltage) for real-time scope tuning, and the CAN-FD port links the joint to a centralized motion controller via EtherCAT/CANopen over CAN-FD. ECC Flash is critical here: servo drives are safety-relevant, and any undetected firmware fault can damage equipment.
Recommandé
USB-CAN Bridge / Industrial Protocol Converter
A USB-CAN bridge based on the PIC32MK1024MCM064-I/MR translates between USB Full-Speed (host side) and CAN-FD (industrial bus side), enabling a laptop or tablet to configure, log, and diagnose industrial devices over the standard USB port. The MCU's USB Full-Speed with on-chip PHY eliminates the need for an external USB transceiver, while the two CAN-FD controllers support 5 Mbit/s on the industrial bus. 256 KB SRAM buffers bulk CAN traffic (e.g., bus logs of several seconds at high bus utilization), and the 1 MB Flash stores configurable protocol profiles (CANopen, J1939, DeviceNet). This is a common accessory for industrial field-service technicians and OEM test benches.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC32MK1024MCM064-I/MR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC32MK1024MCM100-I/PT | PIC32MK1024MCF064-I/PT |
|---|---|---|---|
| Package | 64-pin QFN (MR) 9x9 mm | 100-pin TQFP (PT) - different package | 64-pin TQFP (PT) - different package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | MIPS32 microAptiv | MIPS32 microAptiv (same) | MIPS32 microAptiv (same) |
| Maximum CPU Frequency | 120 MHz | 120 MHz (same) | 120 MHz (same) |
| Flash Memory | 1 MB ECC | 1 MB ECC (same) | 1 MB ECC (same) |
| SRAM | 256 KB (with 4 KB ECC) | 256 KB (same) | 256 KB (same) |
| FPU | Hardware single/double precision | Hardware single/double precision (same) | Hardware single/double precision (same) |
| Operating Temperature Range | -40C to +85C (Industrial) | -40C to +85C (same) | -40C to +85C (same) |
| USB / CAN-FD / Pin Count | USB FS + 2x CAN-FD + 64 pins | USB FS + 2x CAN-FD + 100 pins | USB FS + 2x CAN-FD + 64 pins |
Principaux différenciateurs
- Largest ECC-protected Flash in the PIC32MK family at 64-pin QFN (vs PIC32MK0512MCM064-I/MR)
- Hardware single- and double-precision FPU included in core (vs PIC32MX (MIPS M4K core))
- Four on-chip operational amplifiers eliminate external analog ICs (vs STM32G474RE (no integrated op-amps in same quantity))
Notes de conception
The 64-pin QFN (MR) package has an exposed thermal pad that must be soldered to a continuous copper island on the top layer with at least 9 thermal vias stitched through to the inner ground plane. Estimated: at 120 MHz with all peripherals active, typical power dissipation is ~250 mW; without the thermal pad properly tied to copper, junction temperature rise can exceed 25 C/W theta_JA, derating industrial-grade reliability. For motor-control PWM applications driving heavy peripheral loads, allocate at least 25 x 25 mm of continuous copper to stay within the -40C to +85C operating envelope.
Place 100 nF ceramic decoupling capacitors on every VDD pin within 2 mm of the pad, with one 10 uF bulk capacitor per VDD/AVDD pair. Estimated: total bulk capacitance of 47-100 uF distributed across the four VDD regions is adequate for the 120 MHz core transient loads. Keep analog traces (ADC inputs, op-amp outputs) short and isolated from PWM switching traces; use a guard ring tied to AVSS- around analog islands. The QFN land pattern requires precise 0.5 mm pitch with NSMD pads for reliable assembly.
Route the USB Full-Speed D+/D- traces as a 90 ohm differential pair with length matching within 150 mil; keep them away from switching PWM traces and clock signals to avoid radiated EMI coupling into USB. The two CAN-FD buses should be routed as 120 ohm differential pairs with termination at the cable ends only. Avoid routing digital signals under the analog AVSS/AVDD+ supply islands to prevent digital noise injection into ADC readings.
Do not assume the PIC32MK1024MCM064-I/MR defaults to the 120 MHz operating mode - the factory default may be a lower-speed FRC oscillator until the configuration bits are programmed. Always configure the PLL with the correct multiplier and input divider for 120 MHz operation. Also note that the on-chip op-amps have a limited input common-mode range (typically AVSS- + 0.3V to AVDD+ - 0.3V) and require external biasing if used to sense near-rail signals. Forgetting the ECC configuration bit disables ECC and the ECC parity bits in Flash are then ignored - intentional, but easy to overlook.
Informations de conformité
Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - choose automotive grade PIC32MK variants for vehicle applications. RoHS and REACH compliant per Microchip product page. Halogen-free per JEDEC JS709B. ECC Flash supports IEC 61508 SIL2 firmware integrity when used with appropriate software architecture.
