PIC32MK0256MCJ048-I/Y8X - 120MHz 32-bit MCU 256KB Flash | Microchip
Référence : PIC32MK0256MCJ048-I/Y8X ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.18 | $7,18 |
| 10 | $6.46 | $64,60 |
| 100 | $5.74 | $574,00 |
| 500 | $5.02 | $2 510,00 |
| 1 000 | $4.31 | $4 310,00 |
PIC32MK0256MCJ048-I/Y8X Présentation
A 32-bit microcontroller (MCU) is a single-chip computer that combines a 32-bit CPU core, program and data memory, and a rich set of peripherals such as timers, ADC/DAC, communication controllers, and GPIO. MCUs are the lowest tier of the embedded computing hierarchy - above them sit microprocessors (MPU, requiring external memory) and application processors (AP, running full operating systems). Within Microchip's portfolio the PIC32MK family sits between the PIC32MX (general-purpose) and PIC32MZ (high-performance) lines, targeting deterministic motor control and industrial-automation loops where DSP-like math, fast ADC sampling, and deterministic PWM edges are mandatory.
Key features of the PIC32MK0256MCJ048 include four pairs of 16-bit Pulse-Width Modulation (PWM) outputs with dedicated triggers for motor-control current sampling, a 12-bit ADC at up to 3.25 MSPS with 18 input channels (16 unique, 2 shared), dedicated quadrature encoder interfaces, and CAN-FD for automotive and industrial field-bus communication. The MIPS32 microAptiv core provides single-cycle multiply-accumulate (MAC) and a single-precision FPU option, enabling closed-loop field-oriented control (FOC) of three-phase PMSM, BLDC, and ACIM motors without an external DSP.
Typical applications span industrial motor drives, robotics, digital power conversion, building automation, and Industrial Internet of Things (IIoT) edge nodes. The CAN-FD peripheral plus the Class B Safety Library (IEC 60730) target household appliances and functional-safety-critical industrial equipment. Wide operating temperature range and ECC on Flash/RAM make the part suitable for harsh-environment deployments.
When designing with this MCU, allocate DMA channels carefully - the ADC, PWM, SPI, and UART can all stream data through dedicated DMA, but channel conflicts must be resolved at firmware-link time. The 48-pin TQFP footprint exposes 38 general-purpose I/O lines; several pins are 5V-tolerant to ease interface with legacy 5V logic in industrial retrofits.
This page synthesizes distributor pricing, parametric same-family alternatives, and practical motor-control design guidance not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour PIC32MK0256MCJ048-I/Y8X — 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 PIC32MK0256MCJ048-I/Y8X (même facteur de forme et même empreinte) — différant par ADC, Operating Temperature, Core Architecture, Package, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC32MK0256MCJ048-E/Y8X
✅ Remplacement direct✓ En stock
$2.97 / unité
Voir la fiche technique →PIC32MK0512MCJ048-E/Y8X
✅ Remplacement direct✓ En stock
$2.65 / unité
Voir la fiche technique →PIC32MK0512MCJ048-I/Y8X
✅ Remplacement direct✓ En stock
$2.79 / unité
Voir la fiche technique →PIC32MK1025MCJ048-E/Y8X
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC32MK0256GPG048T-E/Y8X
✅ Remplacement direct✓ En stock
$3.58 / unité
Voir la fiche technique →PIC32MK0256GPG048-E/7MX
✅ Remplacement direct✓ En stock
$3.52 / unité
Voir la fiche technique →PIC32MK0256MCJ048-I/Y8X Valeurs maximales et caractéristiques électriques
| Core Architecture | MIPS32 microAptiv |
| CPU Core | PIC32 32-bit RISC |
| Operating Frequency (max) | 120 MHz |
| Instruction Set Width | 32-bit |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 64 KB |
| Flash ECC | Yes (ECC-protected) |
| Tension d'alimentation | 3.3 V (typical) |
| ADC | 12-bit, 18 channels (16 unique + 2 shared) |
| PWM Outputs | 4 pairs of 16-bit PWM |
| Quadrature Encoder Interface | Yes (dedicated) |
| CAN-FD | Yes |
| UART | 2x |
| I2C | 2x |
| I2S | 2x |
| SPI | Yes |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 48-TQFP (7x7 mm) |
| Type de montage | Surface Mount |
| Nombre de broches | 48 |
| Statut RoHS | Compliant |
| Functional Safety | Class B Safety Library, IEC 60730 (planned) |
Configuration des broches de PIC32MK0256MCJ048-I/Y8X
| Broche 1 | VDD — Core supply voltage (1.8 V or 2.5 V depending on configuration) |
| Broche 2 | RA0 — GPIO / analog input / peripheral remap |
| Broche 3 | RA1 — GPIO / analog input / peripheral remap |
| Broche 4 | RB0 — GPIO / PWM / peripheral remap |
| Broche 5 | RB1 — GPIO / PWM / peripheral remap |
| Broche 6 | RB2 — GPIO / PWM / peripheral remap |
| Broche 7 | RB3 — GPIO / PWM / peripheral remap |
| Broche 8 | RB4 — GPIO / PWM / peripheral remap |
| Broche 9 | RB5 — GPIO / PWM / peripheral remap |
| Broche 10 | RB6 — GPIO / PWM / peripheral remap |
| Broche 11 | RB7 — GPIO / PWM / peripheral remap |
| Broche 12 | VSS — Ground |
| Broche 13 | VDDIO — I/O supply voltage (3.3 V) |
| Broche 14 | RC0 — GPIO / UART / SPI / I2C |
| Broche 15 | RC1 — GPIO / UART / SPI / I2C |
| Broche 16 | RC2 — GPIO / UART / SPI / I2C |
| Broche 17 | RC3 — GPIO / UART / SPI / I2C |
| Broche 18 | RC4 — GPIO / UART / SPI / I2C |
| Broche 19 | RC5 — GPIO / UART / SPI / I2C |
| Broche 20 | RC6 — GPIO / UART / SPI / I2C |
| Broche 21 | RC7 — GPIO / UART / SPI / I2C |
| Broche 22 | VSS — Ground |
| Broche 23 | VDD — Core supply voltage |
| Broche 24 | OSCI — Oscillator crystal input (or external clock) |
| Broche 25 | OSCO — Oscillator crystal output |
| Broche 26 | VSS — Ground |
| Broche 27 | VDD — Core supply voltage |
| Broche 28 | RD0 — GPIO / ICSP programming |
| Broche 29 | RD1 — GPIO / ICSP programming |
| Broche 30 | RD2 — GPIO / peripheral remap |
| Broche 31 | RD3 — GPIO / peripheral remap |
| Broche 32 | RD4 — GPIO / peripheral remap |
| Broche 33 | RD5 — GPIO / peripheral remap |
| Broche 34 | RD6 — GPIO / peripheral remap |
| Broche 35 | RD7 — GPIO / peripheral remap |
| Broche 36 | RE0 — GPIO / peripheral remap |
| Broche 37 | RE1 — GPIO / peripheral remap |
| Broche 38 | RE2 — GPIO / peripheral remap |
| Broche 39 | RE3 — GPIO / peripheral remap |
| Broche 40 | RE4 — GPIO / peripheral remap |
| Broche 41 | RE5 — GPIO / peripheral remap |
| Broche 42 | RE6 — GPIO / peripheral remap |
| Broche 43 | RE7 — GPIO / peripheral remap |
| Broche 44 | RF0 — GPIO / peripheral remap |
| Broche 45 | RF1 — GPIO / peripheral remap |
| Broche 46 | RF2 — GPIO / peripheral remap |
| Broche 47 | RF3 — GPIO / peripheral remap |
| Broche 48 | AVDD — Analog supply voltage for ADC |
Applications typiques
PIC32MK0256MCJ048-I/Y8X convient pour 6 applications: Three-Phase PMSM / BLDC Motor Drive, Industrial Servo and Robotics Controller, Industrial IoT (IIoT) Edge Sensor Node, Digital Power Conversion (Solar Inverter / SMPS), Building Automation (HVAC, Pumps, Fans), Functional-Safety Industrial Appliance.
Three-Phase PMSM / BLDC Motor Drive
The PIC32MK0256MCJ048-I/Y8X is purpose-built for three-phase PMSM and BLDC motor control using field-oriented control (FOC). Its four pairs of 16-bit PWM outputs with dedicated ADC triggers sample phase currents exactly at the PWM midpoint, eliminating switching-noise artifacts without external delay lines. The MIPS32 microAptiv core's single-cycle MAC and FPU option execute the Park and Clarke transforms in under 1 microsecond at 120 MHz, supporting FOC loop times below 10 kHz even on dual-shunt current sensing. The dedicated quadrature encoder interface reads 32-bit position from incremental encoders in hardware, freeing the CPU from pulse-counting interrupts. Designers pair this MCU with a gate driver such as the Microchip MCP8024 or three-phase inverter IPMs.
Recommandé
Industrial Servo and Robotics Controller
In multi-axis robotic servo systems the PIC32MK0256MCJ048-I/Y8X acts as the per-axis motion controller, communicating position and current telemetry over CAN-FD to a central planner. The 256 KB Flash accommodates mid-sized motion profiles and PID state machines, while 64 KB SRAM stores look-up tables for sin/cos interpolation. Its industrial temperature rating, ECC-protected Flash, and Class B Safety Library support factory-floor deployment. The 12-bit ADC at 18 channels also handles analog feedback such as load-cell signals from force-torque sensors. Designers stack this MCU alongside a higher-level PIC32MZ orchestrator for full 6-axis robot control.
Recommandé
Industrial IoT (IIoT) Edge Sensor Node
For IIoT edge nodes, the PIC32MK0256MCJ048-I/Y8X provides enough compute to perform local signal conditioning, motor-control, and CAN-FD communication before publishing aggregated data to higher-level gateways. Its low-power Run, Idle, and Sleep modes plus a real-time clock enable battery-assisted sensing for remote installations. The 12-bit ADC handles vibration, temperature, and current monitoring while two UART channels can drive RS-485 or Modbus links. The same MCU that controls a pump or fan can stream telemetry to the cloud via the gateway, eliminating two separate boards. Designers pair it with the ATWINC1500 Wi-Fi module or an Ethernet MAC like the LAN8742A for uplinks.
Recommandé
Digital Power Conversion (Solar Inverter / SMPS)
In solar micro-inverters and digital SMPS designs, the PIC32MK0256MCJ048-I/Y8X executes the control loop for a totem-pole PFC or full-bridge LLC converter. The 120 MHz MIPS32 core runs predictive current-mode loops at 100 kHz switching with 30% margin for ADC processing. Four PWM pairs drive primary, synchronous, and auxiliary converters in parallel. The 12-bit ADC's 18 channels measure input voltage, input current, output voltage, output current, and temperature simultaneously with hardware oversampling. CAN-FD then exposes telemetry to the building's energy-management system, making this MCU a strong fit for distributed energy resources and bidirectional EV chargers.
Recommandé
Building Automation (HVAC, Pumps, Fans)
The PIC32MK0256MCJ048-I/Y8X is well suited to variable-frequency drives for HVAC compressors, water pumps, and exhaust fans in commercial buildings. Its industrial temperature rating, IEC 60730 Class B Safety Library, and ECC Flash support functional-safety certifications demanded by building-controls integrators. The FOC capability drives permanent-magnet synchronous motors for premium-efficiency HVAC compressors, cutting power consumption by 20-30% versus fixed-speed drives. CAN-FD and Modbus interfaces allow integration into building-management systems (BMS) and digital twin platforms. The MCU's motor-control peripherals eliminate the external DSP or FPGA typical of legacy designs.
Recommandé
Functional-Safety Industrial Appliance
In appliances such as washing machines, dishwashers, and induction cooktops, the PIC32MK0256MCJ048-I/Y8X provides a single-chip solution that runs both the motor-control loop and the safety firmware required by IEC 60730. Microchip's Class B Safety Library, planned for this family, includes ready-certified routines for self-test of the CPU, RAM, Flash, and clock with watchdog-managed fallback. The 256 KB Flash accommodates both motor-control firmware and safety library. The dedicated PWM outputs and ADC triggers guarantee deterministic response to over-current events within one PWM cycle. CAN-FD exposes diagnostic data to the appliance's user-interface board.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC32MK0256MCJ048-I/Y8X — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC32MK0256MCJ048-E/Y8X | PIC32MK0512MCJ048-I/Y8X | PIC32MK0256GPG048T-E/Y8X | PIC32MK0256GPG048-E/7MX |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-QFN (7x7 mm) - different package |
| Max CPU Clock | 120 MHz | 80 MHz | 120 MHz | 80 MHz | 80 MHz |
| Flash | 256 KB | 256 KB | 512 KB | 256 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| CAN-FD | Yes | Yes | Yes | No | No |
| Quadrature Encoder | Yes | Yes | Yes | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
Principaux différenciateurs
- Dedicated CAN-FD plus quadrature encoder interface in 48-pin TQFP (vs PIC32MK0256GPG048T-E/Y8X)
- Industrial temperature grade plus 120 MHz operation (vs PIC32MK0256MCJ048-E/Y8X)
- 256 KB ECC Flash plus 64 KB SRAM (vs PIC32MK0512MCJ048-I/Y8X)
Notes de conception
The PIC32MK0256MCJ048-I/Y8X requires two separate supplies: VDD (1.8 V or 2.5 V core) and VDDIO (3.3 V I/O), plus AVDD for the analog domain. Decouple each VDD pin with a 100 nF X7R ceramic placed within 5 mm of the pin, and bulk-decouple VDDIO with a 4.7 uF ceramic plus 10 uF tantalum. Sequence the supplies so VDD comes up before VDDIO to avoid latchup, or use an internal voltage regulator in regulator-on mode and supply only 3.3 V to VDDIO. According to datasheet DS60001402, power-on-reset behavior requires VDD to be stable for at least 30 ms before code execution begins.
Place the 12 MHz primary crystal within 5 mm of the OSCI/OSCO pins and guard the traces with a ground pour on the layer directly underneath. The 48-TQFP (7x7 mm) has only 38 GPIO, so plan analog input assignments to avoid conflicts with PWM outputs that drive the inverter. Keep analog traces away from PWM switching signals - separate by at least 30 mils or place a ground shield - to keep ADC SNR at 12-bit effective resolution. Exposed thermal pad is not present on this TQFP variant, so heat dissipation is limited to the package leads.
Estimated: when sampling phase currents with single-cycle ADC conversion plus FOC at 10 kHz loop rate, the total processing budget per PWM period is 100 us. Park transform + inverse-Park + SVM take approximately 8-12 us at 120 MHz with FPU, leaving 80+ us headroom. Do not enable all ADC channels simultaneously without checking the channel-scan sequencer; oversampling of high-impedance signals can introduce settling errors above 100 kohm source impedance. Add a 1 nF to 10 nF X7R across each current-sense resistor to filter PWM-coupled noise, then calibrate offsets via the MCU's internal bandgap reference.
Route all CAN-FD signals as a 120-ohm-impedance differential pair with length matching within 5 mm. Place a 120-ohm termination resistor at each end of the bus, not at the MCU. For SPI-driven peripherals above 25 MHz, use series damping resistors (22-33 ohm) at the source pin to reduce ringdown. JTAG and trace pins (TMS, TCK, TDI, TDO) should be brought out to a 0.1 inch header for production programming access. The REFO and SOSC pins are shared with GPIOs and must be configured correctly before any GPIO initialization in firmware, otherwise the MCU can lose its clock source during reset.
Informations de conformité
RoHS compliant per Microchip product page. Industrial temperature grade - not AEC-Q100 qualified; for automotive applications use the AEC-Q100 qualified PIC32MK variants. Class B Safety Library IEC 60730 support is planned per family roadmap.
