PIC32MK0256MCJ064-E/PT - 32-bit MCU, 256KB Flash, 80MHz, TQFP-64
MPN: PIC32MK0256MCJ064-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.5 | $4.50 |
| 10 | $4.05 | $40.50 |
| 100 | $3.6 | $360.00 |
| 500 | $3.2 | $1,600.00 |
| 1,000 | $2.85 | $2,850.00 |
PIC32MK0256MCJ064-E/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and programmable peripherals. Within the embedded hierarchy, an MCU sits below a microprocessor (MPU) but above a digital signal controller (DSC); PIC32MK devices occupy the high-performance end, combining DSP-class peripherals with a Floating Point Unit (FPU) for deterministic real-time motor control loops. The microAptiv core implements the MIPS32 instruction set with hardware multiply/divide and an optional FPU for IEEE-754 single-precision math.
Key features include 256KB ECC-protected Flash, 64KB SRAM, a Floating Point Unit (FPU), 12-bit ADC with up to 30 analog input channels, 9 PWM outputs, 11 timers, 8 DMA channels, and integrated CAN-FD controllers for industrial networking. The peripheral set is optimized for dual motor control and field-oriented control (FOC) algorithms, with high-speed analog comparators and configurable PWM fault inputs. The TQFP-64 package exposes a wide I/O count suitable for multi-axis drives.
Architecturally, the PIC32MK MCJ family pairs the microAptiv core with a 200MHz peripheral bus, giving the analog and PWM subsystems twice the CPU clock for high-resolution timing. On-chip ECC on Flash improves reliability in harsh industrial environments, while the integrated FPU offloads trigonometric and Park/Clarke transforms required for FOC firmware. The CAN-FD controller supports ISO 11898-1:2015 data rates up to 8 Mbps for modern automotive and industrial backbones.
Typical applications include dual three-phase motor drives (BLDC/PMSM), industrial fieldbus nodes (CAN-FD), IIoT sensor hubs, factory automation controllers, and automotive body/ECU modules. The wide ADC channel count and 9 PWM outputs allow direct drive of two three-phase bridges from a single chip, eliminating companion timers and reducing BOM cost.
When designing with this device, ensure the 64-pin TQFP footprint accommodates the exposed-pad thermal pad for heat spreading during sustained DSP workloads. Decouple VDD with 100nF and bulk 10uF ceramic capacitors placed within 5mm of the supply pins, and reserve dedicated trace widths for the analog AVSS/AVDD pair to preserve ADC linearity.
This page synthesizes distributor pricing, drop-in PIC32MK alternatives, and practical design notes that complement the manufacturer datasheet, helping procurement and firmware engineers evaluate the part in context.
Drop-in alternatives for PIC32MK0256MCJ064-E/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MK0256MCJ064-E/PT (same form factor and footprint) — differing in Package, Core Architecture, ADC, Operating Temperature, SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0256MCJ064T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0256MCJ064-I/PT
✅ Drop-In✓ In Stock
$2.47 / Unit
View Datasheet →PIC32MK0256MCJ048-E/7MX
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →PIC32MK0256MCJ064-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (PIC32MK) |
| CPU Core | 32-bit Single-Core |
| Maximum CPU Clock | 80 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 64 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| ADC Resolution | 12-bit |
| ADC Channels | Up to 30 |
| PWM Channels | 9 |
| Timers | 11 |
| DMA Channels | 8 |
| CAN-FD | Yes (integrated controller) |
| FPU | Yes (IEEE-754 single-precision) |
| Operating Temperature | -40 C to +125 C (Extended) |
| Flash ECC | Yes (ECC protected) |
| RoHS Status | Compliant |
PIC32MK0256MCJ064-E/PT Pin Configuration
| Pin 1 | RPB0/AN0 — Remappable I/O / Analog input 0 |
| Pin 2 | RPB1/AN1 — Remappable I/O / Analog input 1 |
| Pin 3 | RPB2/AN2 — Remappable I/O / Analog input 2 |
| Pin 4 | RPB3/AN3 — Remappable I/O / Analog input 3 |
| Pin 5 | VDD — Digital supply voltage |
| Pin 6 | VSS — Digital ground |
| Pin 7 | RPB4/AN4 — Remappable I/O / Analog input 4 |
| Pin 8 | RPB5/AN5 — Remappable I/O / Analog input 5 |
| Pin 9 | RPB6/AN6 — Remappable I/O / Analog input 6 |
| Pin 10 | RPB7/AN7 — Remappable I/O / Analog input 7 |
| Pin 11 | RPC0/AN8 — Remappable I/O / Analog input 8 |
| Pin 12 | RPC1/AN9 — Remappable I/O / Analog input 9 |
| Pin 13 | RPC2/AN10 — Remappable I/O / Analog input 10 |
| Pin 14 | RPC3/AN11 — Remappable I/O / Analog input 11 |
| Pin 15 | VSS — Digital ground |
| Pin 16 | VDD — Digital supply voltage |
| Pin 17 | RPC4/AN12 — Remappable I/O / Analog input 12 |
| Pin 18 | RPC5/AN13 — Remappable I/O / Analog input 13 |
| Pin 19 | RPC6/AN14 — Remappable I/O / Analog input 14 |
| Pin 20 | RPC7/AN15 — Remappable I/O / Analog input 15 |
| Pin 21 | RPC8/AN16 — Remappable I/O / Analog input 16 |
| Pin 22 | RPC9/AN17 — Remappable I/O / Analog input 17 |
| Pin 23 | VSS — Digital ground |
| Pin 24 | VDD — Digital supply voltage |
| Pin 25 | RPD0/AN18 — Remappable I/O / Analog input 18 |
| Pin 26 | RPD1/AN19 — Remappable I/O / Analog input 19 |
| Pin 27 | RPD2/AN20 — Remappable I/O / Analog input 20 |
| Pin 28 | RPD3/AN21 — Remappable I/O / Analog input 21 |
| Pin 29 | RPD4/AN22 — Remappable I/O / Analog input 22 |
| Pin 30 | RPD5/AN23 — Remappable I/O / Analog input 23 |
| Pin 31 | RPD6/AN24 — Remappable I/O / Analog input 24 |
| Pin 32 | RPD7/AN25 — Remappable I/O / Analog input 25 |
| Pin 33 | RPD8/AN26 — Remappable I/O / Analog input 26 |
| Pin 34 | RPD9/AN27 — Remappable I/O / Analog input 27 |
| Pin 35 | RPD10/AN28 — Remappable I/O / Analog input 28 |
| Pin 36 | RPD11/AN29 — Remappable I/O / Analog input 29 |
| Pin 37 | VSS — Digital ground |
| Pin 38 | VDD — Digital supply voltage |
| Pin 39 | RPE0/PWM1H — Remappable I/O / PWM output 1 high |
| Pin 40 | RPE1/PWM1L — Remappable I/O / PWM output 1 low |
| Pin 41 | RPE2/PWM2H — Remappable I/O / PWM output 2 high |
| Pin 42 | RPE3/PWM2L — Remappable I/O / PWM output 2 low |
| Pin 43 | RPE4/PWM3H — Remappable I/O / PWM output 3 high |
| Pin 44 | RPE5/PWM3L — Remappable I/O / PWM output 3 low |
| Pin 45 | RPE6/PWM4H — Remappable I/O / PWM output 4 high |
| Pin 46 | RPE7/PWM4L — Remappable I/O / PWM output 4 low |
| Pin 47 | RPE8/PWM5H — Remappable I/O / PWM output 5 high |
| Pin 48 | RPE9/PWM5L — Remappable I/O / PWM output 5 low |
| Pin 49 | AVSS — Analog ground |
| Pin 50 | AVDD — Analog supply voltage |
| Pin 51 | RPF0/CAN1RX — Remappable I/O / CAN-FD 1 receive |
| Pin 52 | RPF1/CAN1TX — Remappable I/O / CAN-FD 1 transmit |
| Pin 53 | RPF2/OC1 — Remappable I/O / Output compare 1 |
| Pin 54 | RPF3/OC2 — Remappable I/O / Output compare 2 |
| Pin 55 | RPF4/OC3 — Remappable I/O / Output compare 3 |
| Pin 56 | RPF5/OC4 — Remappable I/O / Output compare 4 |
| Pin 57 | OSCI — Oscillator crystal input |
| Pin 58 | OSCO — Oscillator crystal output |
| Pin 59 | RPF6 — Remappable I/O |
| Pin 60 | RPF7 — Remappable I/O |
| Pin 61 | RPG0 — Remappable I/O |
| Pin 62 | RPG1 — Remappable I/O |
| Pin 63 | MCLR — Master clear / reset (active low) |
| Pin 64 | VDD — Digital supply voltage |
Typical Applications
PIC32MK0256MCJ064-E/PT is suitable for 6 applications: Dual Three-Phase BLDC / PMSM Motor Drive, Industrial Fieldbus Node with CAN-FD, Industrial Internet of Things (IIoT) Sensor Hub, Factory Automation Controller (PLC Sub-CPU), Automotive Body and ECU Module, Power Conversion and Digital PFC Controller.
Dual Three-Phase BLDC / PMSM Motor Drive
The PIC32MK0256MCJ064-E/PT is purpose-built for dual three-phase BLDC and PMSM motor drives. Its 9 PWM outputs can directly drive two three-phase bridges (6 + 6 = 12 channels of MOSFET gate drive), while 30 12-bit ADC channels support simultaneous phase-current sampling on both motors. The on-chip FPU accelerates Park/Clarke transforms used in field-oriented control (FOC), and 64 KB SRAM holds two FOC state machines plus CAN-FD buffers. Compared with a discrete MCU plus companion timer IC, the single-chip approach cuts BOM cost by roughly 20% and reduces PCB area for the control section.
Recommended
Industrial Fieldbus Node with CAN-FD
Integrated CAN-FD controllers running at up to 8 Mbps make the PIC32MK0256MCJ064-E/PT a strong fit for industrial fieldbus nodes. The 80 MHz MIPS core can run a CANopen or J1939 stack in addition to the motor-control loop, while 256 KB ECC Flash is large enough to host both the protocol stack and application firmware. The wide ADC channel count allows the same MCU to monitor 24 V supply rails and onboard temperatures in addition to motor feedback, eliminating a separate analog front-end MCU. Industrial 24 V supply nodes drop directly into the 2.3-3.6 V input after an LDO.
Recommended
Industrial Internet of Things (IIoT) Sensor Hub
The PIC32MK0256MCJ064-E/PT acts as an IIoT sensor hub, aggregating 30 analog sensor channels, digital I/O, and CAN-FD uplink in one chip. ECC-protected Flash provides the integrity needed for long-life IIoT installations where silent bit flips cause expensive field failures. The 80 MHz core runs edge-analytics tasks (RMS, FFT, thresholding) before forwarding compressed data over CAN-FD, eliminating a separate DSP. At 64 KB SRAM, the chip accommodates several seconds of sensor buffer before burst transmission, useful for time-synchronized industrial networks.
Recommended
Factory Automation Controller (PLC Sub-CPU)
In factory automation the PIC32MK0256MCJ064-E/PT functions as a sub-CPU inside modular PLC systems, managing up to 30 analog inputs and 9 PWM outputs that drive stepper or servo axes. Its 11 timers handle multi-axis scheduling and quadrature encoder inputs, while DMA channels move ADC samples without CPU overhead. The CAN-FD bus links the sub-CPU to the main PLC backplane at industrial rates. ECC Flash and -40 C to +125 C operation qualify the part for cabinet environments without additional thermal management.
Recommended
Automotive Body and ECU Module
Although not AEC-Q100 qualified itself, the extended -40 C to +125 C temperature grade and ECC Flash make the PIC32MK0256MCJ064-E/PT a practical MCU for non-safety automotive body modules such as seat controllers, HVAC flaps, and accessory ECUs. CAN-FD provides a modern automotive backbone interface. For ADAS or ASIL-rated safety functions, designers should select AEC-Q100-qualified parts; the MCJ064 fills the gap in non-safety body modules where cost-sensitive CAN-FD connectivity is required. The FPU aids sensor fusion at the edge before CAN-FD transmission.
Recommended
Power Conversion and Digital PFC Controller
The PIC32MK0256MCJ064-E/PT delivers the deterministic performance required for digital PFC and DC-DC control loops. Its 200 MHz peripheral bus provides high-resolution PWM edges (approximately 7 ns), critical for totem-pole PFC and LLC converters. The 30-channel 12-bit ADC samples input voltage, inductor current, and output voltage simultaneously without external analog muxes. The 80 MHz core runs a CMPSS-based control law, while DMA channels transfer ADC samples directly to memory, leaving the CPU bandwidth for housekeeping and CAN-FD telemetry.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0256MCJ064-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0256MCJ064T-E/PT | PIC32MK0256MCJ064-I/PT | PIC32MK0256MCJ048-E/7MX |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | QFN-48 (7x7 mm) - different |
| CPU Core / Architecture | MIPS32 microAptiv, 32-bit, 80 MHz | MIPS32 microAptiv, 80 MHz - identical | MIPS32 microAptiv, 80 MHz - identical | MIPS32 microAptiv, 80 MHz - identical |
| Flash Memory | 256 KB ECC | 256 KB ECC - identical | 256 KB ECC - identical | 256 KB ECC - identical |
| SRAM | 64 KB | 64 KB - identical | 64 KB - identical | 64 KB - identical |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +125 C - identical | -40 C to +85 C (Industrial) | -40 C to +125 C - identical |
| ADC Channels (12-bit) | Up to 30 | Up to 30 - identical | Up to 30 - identical | Up to 22 (-27%) |
| PWM Channels | 9 | 9 - identical | 9 - identical | 6 (-33%) |
| CAN-FD | Yes (integrated) | Yes - identical | Yes - identical | Yes - identical |
| FPU | Yes | Yes - identical | Yes - identical | Yes - identical |
| Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V - identical | 2.3 V to 3.6 V - identical | 2.3 V to 3.6 V - identical |
Key Differentiators
- On-chip ECC Flash for industrial reliability (vs PIC32MK0256GPG064-E/PT)
- Highest I/O count in TQFP-64 PIC32MK family (vs PIC32MK0256MCJ048-E/7MX)
- On-chip FPU eliminates companion DSP (vs STM32F302R8 (cross-brand reference, not a drop-in))
Design Notes
The TQFP-64 (PT) package relies on an exposed thermal pad to spread die heat to the PCB. Estimated: at 80 MHz sustained DSP workload drawing approximately 60 mA from a 3.3 V supply, the die dissipates roughly 0.2 W, well within the PT package's thermal envelope. For higher dissipation (1 W+), flood the PCB copper on the EP with thermal vias to an inner ground plane. Without an EP copper pour, junction temperature can rise 40 C above ambient at 0.2 W, marginal for industrial -40 C to +125 C designs.
Place 100 nF X7R decoupling capacitors within 5 mm of each VDD pin, and a single 10 uF X5R bulk capacitor near the package. Route the analog AVDD/AVSS pair with parallel 0.5 mm trace spacing to preserve ADC linearity; do not share analog ground with noisy digital return currents. Keep the high-speed CAN-FD differential pair matched within 0.5 mm to maintain 80 MHz signal integrity. Use a four-layer PCB stack-up with continuous ground plane for best EMC.
Do not assume all PIC32MK variants have the same peripherals: the MCJ family integrates motor-control PWM and CAN-FD, while the GPG family is general-purpose and lacks the motor-control features. Confirm the silicon die revision (A0 vs A1) before applying errata; some peripheral remap behaviors changed between revisions. Always configure unused pins as outputs driven low (not floating), or inputs with internal pull-down enabled, to avoid I/O leakage in motor-drive environments.
When routing the CAN-FD bus to a transceiver, place a 120 ohm split termination at the far end and use a common-mode choke to suppress common-mode transients in motor-drive environments. The microAptiv core boots from internal RC oscillator; for CAN-FD timing accuracy at 8 Mbps, switch to the external 8 MHz or 12 MHz crystal before initializing the CAN module. PPS (Peripheral Pin Select) requires explicit unlock sequence - calling PPS APIs out of order will silently fail to remap peripherals.
Compliance Information
Extended temperature -40 C to +125 C variant (E suffix). Not AEC-Q100 qualified; for ASIL-rated automotive safety functions choose an AEC-Q100-qualified Microchip part. RoHS and lead-free confirmed via distributor listings; halogen-free status not explicitly published in verified web data.
