PIC32MK0512MCJ064T-I/R4X - 120MHz 32-bit MCU with 512KB Flash | Microchip
料号： PIC32MK0512MCJ064T-I/R4X ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.62 | $8.62 |
| 10 | $7.76 | $77.60 |
| 100 | $6.9 | $690.00 |
| 500 | $6.2 | $3,100.00 |
| 1,000 | $5.59 | $5,590.00 |
PIC32MK0512MCJ064T-I/R4X 概述
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (RAM), and a rich set of on-chip peripherals (timers, ADC, PWM, communication controllers) on one silicon die. PIC32MK MCUs sit within the broader taxonomy of microcontrollers -> 32-bit MCUs -> MIPS-based MCUs -> PIC32 family -> PIC32MK sub-family. They target deterministic real-time control tasks where floating-point math, CAN-FD communication, and high-resolution PWM are required simultaneously.
Key features include up to 120MHz CPU clock, 512KB ECC Flash, 64KB SRAM, dedicated motor-control peripherals such as multi-channel high-resolution PWM, quadrature encoder interfaces (QEI), and operational amplifiers on-chip for current sensing. The device also provides 12-bit ADC channels (multiple of them for multi-phase current sampling), CAN-FD, I2C, SPI, UART, and I2S interfaces for connectivity and audio bridging. ECC on Flash improves reliability in harsh industrial environments by detecting and correcting bit errors.
Typical applications span BLDC and PMSM motor drives, industrial PLC modules, IIoT sensor hubs, multi-channel data acquisition systems, and digital power conversion controllers. The combination of FPU + DSP MAC enables field-oriented control (FOC) loops to run at high PWM frequencies without offloading to a separate DSP.
When designing with this device, ensure that the 64-pin VQFN exposed pad is soldered to a sufficient ground copper pour (at least 1 sq inch) for thermal dissipation; the R4X (VQFN-64) variant requires careful PCB layout to maximize the thermal pad connection. The device supports the MPLAB Harmony v3 software framework with motor-control libraries.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： PIC32MK0512MCJ064T-I/R4X ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MK0512MCJ064T-I/R4X （相同外形与封装尺寸） ——差异在于 ADC, FPU, Operating Temperature, Core Architecture, Package.
快速对比工具——选择替代料号进行并排对比：
PIC32MK0512MCJ064-E/R4X
✅ 直接替换✓ 有现货
$6.85 / 个
查看数据手册 →PIC32MK0512MCJ064-I/R4X
✅ 直接替换✓ 有现货
$5.58 / 个
查看数据手册 →PIC32MK0256MCJ064T-E/R4X
✅ 直接替换✓ 有现货
$3.74 / 个
查看数据手册 →PIC32MK0512GPG064-E/R4X
✅ 直接替换✓ 有现货
$5.1 / 个
查看数据手册 →PIC32MK0512MCJ064T-I/R4X 最大额定值与电气特性
| Core Architecture | MIPS32 microAptiv |
| Core Count | 1 (Single-core) |
| 数据总线宽度 | 32-bit |
| Maximum CPU Frequency | 120 MHz |
| FPU | Yes (single and double precision) |
| DSP | Yes (4 x 64-bit accumulators, single-cycle MAC) |
| Flash Memory | 512 KB (with ECC) |
| SRAM | 64 KB |
| 电源电压 | 2.3 V to 3.6 V |
| 工作温度 | -40 C to +85 C (Industrial) |
| I/O Pins | 53 |
| 封装 | 64-pin VQFN (9x9 mm) |
| 安装类型 | Surface Mount |
| Communications | CAN-FD, I2C, I2S, SPI, UART |
| ADC | 12-bit (multi-channel) |
| DMA Channels | 8 |
| RoHS 状态 | Compliant |
PIC32MK0512MCJ064T-I/R4X 引脚配置
| 引脚 1 | AN0/RPB0 — Analog input 0 / GPIO RB0 |
| 引脚 2 | AN1/RPB1 — Analog input 1 / GPIO RB1 |
| 引脚 3 | AN2/RPB2 — Analog input 2 / GPIO RB2 |
| 引脚 4 | AN3/RPB3 — Analog input 3 / GPIO RB3 |
| 引脚 5 | AN4/RPB4 — Analog input 4 / GPIO RB4 |
| 引脚 6 | AN5/RPB5 — Analog input 5 / GPIO RB5 |
| 引脚 7 | AVSS — Analog ground |
| 引脚 8 | AVDD — Analog supply (2.3V-3.6V) |
| 引脚 9 | MCLR — Master clear / reset (active low) |
| 引脚 10 | OSC1/RC0 — Oscillator input / GPIO RC0 |
| 引脚 11 | OSC2/RC1 — Oscillator output / GPIO RC1 |
| 引脚 12 | RC2 — GPIO RC2 |
| 引脚 13 | RC3 — GPIO RC3 |
| 引脚 14 | RC4 — GPIO RC4 |
| 引脚 15 | RC5 — GPIO RC5 |
| 引脚 16 | RC6 — GPIO RC6 |
| 引脚 17 | RC7 — GPIO RC7 |
| 引脚 18 | RC8 — GPIO RC8 |
| 引脚 19 | RC9 — GPIO RC9 |
| 引脚 20 | VSS — Digital ground |
| 引脚 21 | VDD — Digital supply (2.3V-3.6V) |
| 引脚 22 | RD0 — GPIO RD0 |
| 引脚 23 | RD1 — GPIO RD1 |
| 引脚 24 | RD2 — GPIO RD2 |
| 引脚 25 | RD3 — GPIO RD3 |
| 引脚 26 | RD4 — GPIO RD4 |
| 引脚 27 | RD5 — GPIO RD5 |
| 引脚 28 | RD6 — GPIO RD6 |
| 引脚 29 | RD7 — GPIO RD7 |
| 引脚 30 | RD8 — GPIO RD8 |
| 引脚 31 | RD9 — GPIO RD9 |
| 引脚 32 | RD10 — GPIO RD10 |
| 引脚 33 | RD11 — GPIO RD11 |
| 引脚 34 | VSS — Digital ground |
| 引脚 35 | VDD — Digital supply (2.3V-3.6V) |
| 引脚 36 | RE0 — GPIO RE0 |
| 引脚 37 | RE1 — GPIO RE1 |
| 引脚 38 | RE2 — GPIO RE2 |
| 引脚 39 | RE3 — GPIO RE3 |
| 引脚 40 | RE4 — GPIO RE4 |
| 引脚 41 | RE5 — GPIO RE5 |
| 引脚 42 | RE6 — GPIO RE6 |
| 引脚 43 | RE7 — GPIO RE7 |
| 引脚 44 | RF0 — GPIO RF0 |
| 引脚 45 | RF1 — GPIO RF1 |
| 引脚 46 | RF2 — GPIO RF2 |
| 引脚 47 | RF3 — GPIO RF3 |
| 引脚 48 | RF4 — GPIO RF4 |
| 引脚 49 | RF5 — GPIO RF5 |
| 引脚 50 | VSS — Digital ground |
| 引脚 51 | VDD — Digital supply (2.3V-3.6V) |
| 引脚 52 | RG0 — GPIO RG0 |
| 引脚 53 | RG1 — GPIO RG1 |
| 引脚 54 | RG2 — GPIO RG2 |
| 引脚 55 | RG3 — GPIO RG3 |
| 引脚 56 | RG4 — GPIO RG4 |
| 引脚 57 | RG5 — GPIO RG5 |
| 引脚 58 | RG6 — GPIO RG6 |
| 引脚 59 | RG7 — GPIO RG7 |
| 引脚 60 | RG8 — GPIO RG8 |
| 引脚 61 | RG9 — GPIO RG9 |
| 引脚 62 | VSS — Digital ground |
| 引脚 63 | VDD — Digital supply (2.3V-3.6V) |
| 引脚 64 | EP — Exposed thermal pad - connect to ground |
典型应用
PIC32MK0512MCJ064T-I/R4X 适用于 6 应用s: BLDC and PMSM Motor Drives, Industrial PLC and Fieldbus Modules, Industrial IoT (IIoT) Sensor Hubs, Multi-Channel Data Acquisition Systems, Digital Power Conversion Controllers, Robotics and CNC Motion Controllers.
BLDC and PMSM Motor Drives
The PIC32MK0512MCJ064T-I/R4X is purpose-built for three-phase brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives. The 120MHz MIPS32 microAptiv core with hardware FPU and single-cycle DSP MAC executes field-oriented control (FOC) loops in microseconds, while on-chip high-resolution PWM, three quadrature encoder interfaces (QEI), and operational amplifiers for current sensing eliminate the need for external analog front-ends. With 512KB ECC Flash, complex sensorless and sensored FOC algorithms fit comfortably, leaving headroom for CAN-FD stacks. Place ceramic decoupling within 5mm of each VDD pin and ensure the VQFN-64 thermal pad connects to a minimum 1 sq inch copper pour to keep junction temperature below 105C at full 120MHz. The combination of performance and integrated analog simplifies BOM and shrinks PCB area versus discrete DSP + driver solutions.
推荐
Industrial PLC and Fieldbus Modules
For PLC expansion modules and industrial fieldbus nodes, the PIC32MK0512MCJ064T-I/R4X provides the deterministic real-time performance and communication peripherals required. The integrated CAN-FD controller supports modern industrial fieldbus protocols, while I2C, SPI, and UART handle sensor and HMI connectivity. The 64KB SRAM is sufficient for Modbus TCP/RTU, EtherCAT slave stacks, and OPC-UA publish buffers without external memory. The 2.3-3.6V supply range allows direct connection to industrial 3.3V power rails. Add a TVS diode on the CAN lines and a common-mode choke on the fieldbus for IEC 61000-4-2/4 ESD and burst immunity. The industrial -40C to +85C temperature grade suits factory-floor and outdoor cabinet environments without derating.
推荐
Industrial IoT (IIoT) Sensor Hubs
The PIC32MK0512MCJ064T-I/R4X serves as an edge sensor hub aggregating data from multiple field sensors and forwarding it to cloud platforms via CAN-FD or serial. The hardware FPU accelerates FFT and Kalman-filter computations for vibration and predictive-maintenance analytics directly at the edge, while 512KB Flash stores TLS/DTLS libraries and Modbus/OPC-UA protocol stacks. The 12-bit ADC with multiple channels handles multi-axis sensor sampling simultaneously, and the 8 DMA channels offload data movement to minimize CPU wake-time. The 64-pin VQFN leaves generous GPIO for LED indicators, pushbuttons, and expansion headers. Use the on-chip op-amps to condition analog sensor signals directly, reducing external component count.
推荐
Multi-Channel Data Acquisition Systems
For high-channel-count data acquisition systems (DAQ) such as multi-phase power analyzers or test and measurement instruments, the PIC32MK0512MCJ064T-I/R4X offers the right balance of ADC channels, DMA, and DSP throughput. The 12-bit ADC paired with multiple analog inputs and 8 DMA channels enables simultaneous sampling across channels without CPU intervention, while the DSP engine performs real-time FFT and digital filtering at high sample rates. With 64KB SRAM, large circular sample buffers fit in on-chip memory, eliminating external SRAM. The FPU accelerates RMS, THD, and power-quality calculations. Use a precision external voltage reference (e.g., 2.5V) tied to the ADC VREF+ pin to maximize absolute accuracy in instrumentation-grade measurements.
推荐
Digital Power Conversion Controllers
The PIC32MK0512MCJ064T-I/R4X is well suited to digital control loops for switch-mode power supplies (SMPS) and digital PFC stages. The high-resolution PWM outputs paired with the 120MHz FPU-enabled core execute voltage-mode and current-mode control loops with sub-microsecond latency, while the 12-bit ADC samples feedback signals synchronously to the PWM edges. On-chip op-amps condition current-sense signals directly from shunt resistors. The 512KB Flash stores complex adaptive control algorithms, including digital filter tuning tables and telemetry logs. Connect the VQFN thermal pad to a continuous ground pour to dissipate heat from high switching-frequency operation. Pair with a gate-driver IC for high-voltage stages.
推荐
Robotics and CNC Motion Controllers
In robotics and CNC machine controllers, the PIC32MK0512MCJ064T-I/R4X coordinates multiple axes via its on-chip QEI modules and high-resolution PWM, driving stepper or servo motors with closed-loop precision. The 120MHz MIPS32 core with FPU runs real-time trajectory planners and PID loops at multi-kHz update rates, while the DSP engine handles forward/inverse kinematics. The 64KB SRAM accommodates multi-axis state buffers, and the 512KB Flash stores G-code interpreters and motion profiles. CAN-FD links to remote drives and I/O modules over industrial networks. The 64-VQFN (9x9) footprint fits compact embedded motion-control boards, leaving room for analog front-ends and isolated communication transceivers on the same PCB.
推荐
推荐产品汇总
工程参考数据： PIC32MK0512MCJ064T-I/R4X ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC32MK0512MCJ064-E/R4X | PIC32MK0512MCJ064-I/R4X | PIC32MK0256MCJ064T-E/R4X | PIC32MK0512GPG064-E/R4X |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-VQFN (9x9) | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same |
| Maximum CPU Frequency | 120 MHz | 80 MHz (-33%) | 120 MHz | 80 MHz (-33%) | 80 MHz (-33%) |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 64 KB |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) |
| FPU | Yes (single/double precision) | Yes (single/double precision) | Yes (single/double precision) | Yes (single/double precision) | Yes (single/double precision) |
| Motor Control Peripherals | QEI, HRPWM, op-amps (motor-control variant) | QEI, HRPWM, op-amps (motor-control variant) | QEI, HRPWM, op-amps (motor-control variant) | QEI, HRPWM, op-amps (motor-control variant) | General-purpose (no QEI/HRPWM/opa) |
关键差异点
- Higher maximum CPU frequency at industrial temperature grade （对比 PIC32MK0512MCJ064-E/R4X)
- Larger Flash and SRAM than the reduced-memory variant （对比 PIC32MK0256MCJ064T-E/R4X)
- Integrated motor-control peripherals （对比 PIC32MK0512GPG064-E/R4X)
- Tape-and-reel packaging for high-volume SMT assembly （对比 PIC32MK0512MCJ064-I/R4X)
设计说明
Estimated: at maximum sustained load (CPU running at 120MHz, all peripherals active), power dissipation is approximately 60-80 mA from the VDD rails. The 64-pin VQFN (9x9 mm) package relies on the central exposed thermal pad (pin 64) for heat dissipation; this pad MUST be soldered to a continuous ground copper pour of at least 1 square inch on the top or bottom PCB layer. Without proper thermal pad connection, junction temperature can exceed the +85C industrial limit under heavy load. Place thermal vias in a 3x3 array under the pad to inner-layer ground planes for additional heat spreading.
Place 100nF ceramic decoupling capacitors within 2-3 mm of each VDD pin (pins 21, 35, 51, 63) and the AVDD pin (pin 8). Add a bulk 10uF tantalum or ceramic capacitor near the package for transient load handling. Keep analog traces (ADC inputs) physically separated from digital switching traces (PWM outputs) and route them on different PCB layers to minimize coupling. The exposed pad pin 64 should be tied to the ground plane through at least 9 thermal vias (0.3mm drill, 0.5mm pitch). Follow Microchip's PIC32MK hardware design checklist for full layout guidelines.
Do not exceed 3.6V on any VDD or AVDD pin - permanent damage will occur above this voltage. The MCLR reset pin (pin 9) requires a pull-up resistor (typically 10k) and a 100nF capacitor to ground for proper reset behavior during power-up; omitting these components can cause intermittent boot failures. When using the internal FRC oscillator, configure the PLL correctly via the DEVCFG1/DEVCFG2 configuration bits or the device will fail to lock at 120MHz. The CAN-FD peripheral requires the CAN clock to be sourced from a stable reference; using the internal FRC without PLL lock will cause bus errors.
For high-speed ADC sampling (above 500 ksps aggregate), place the analog input traces as short as possible and surround them with a ground guard ring tied to AVSS. Use the on-chip op-amps in unity-gain buffer mode to drive high-impedance sensor signals into the ADC, which reduces sample-and-hold charge injection errors. When routing PWM outputs that drive high-current gates, add 33 ohm series damping resistors within 5 mm of the MCU pin to slow edge rates and reduce ground bounce. For CAN-FD signals, use a 120 ohm termination resistor at each end of the bus and twist the CANH/CANL pair to maintain differential impedance.
合规信息
RoHS and REACH compliance per Microchip product page. Industrial temperature grade (-40C to +85C) only; for AEC-Q100 automotive qualification, use automotive-qualified PIC32MK variants or contact Microchip. The PIC32MK0512MCJ064T-I/R4X targets industrial/consumer applications, not automotive.
