PIC32MK0256GPG064-I/PT - 120MHz MIPS32 256KB Flash MCU | Microchip
MPN: PIC32MK0256GPG064-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.42 | $7.42 |
| 10 | $6.85 | $68.50 |
| 100 | $6.12 | $612.00 |
| 500 | $5.48 | $2,740.00 |
| 1,000 | $4.92 | $4,920.00 |
PIC32MK0256GPG064-I/PT Overview
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripherals around one or more on-chip buses. The 32-bit class, exemplified by MIPS32 microAptiv and Arm Cortex-M cores, extends 16-bit PIC24/MCUs by adding higher clock rates, larger linear address space, hardware multiply-accumulate, and DSP instructions, placing PIC32MK at the boundary between classic microcontrollers and entry-level microprocessors. Within Microchip's portfolio PIC32MK sits above PIC32MX (lower analog content) and below PIC32MZ (with optional graphics/GPU and larger Flash), positioning it as the mid-range 32-bit family optimized for precision analog and motor-drive applications.
The PIC32MK0256GPG064-I/PT specifically includes four analog op-amps usable as programmable-gain amplifiers, four 12-bit DAC outputs, and dual 12-bit ADCs with up to 30 analog inputs plus 3 MSPS capability, enabling simultaneous current and voltage sensing for FOC motor loops. Integrated peripherals include multiple UART, SPI, I2C, CAN-FD (depending on variant), SQI for external Flash, and a hardware crypto engine on selected SKUs. The 120 MHz core delivers 198 DMIPS and 3.06 CoreMark/MHz, allowing high-rate control loops without co-processor assistance.
Typical uses are field-oriented control (FOC) of BLDC/PMSM motors, multi-phase digital power supplies, PLC analog front ends, industrial sensor hubs, and IIoT edge nodes with CAN-FD connectivity. The combination of ECC Flash, large RAM, and dual ADC sampling simplifies SIL-rated designs and ASIL-aware firmware development. In each of these applications the device replaces a discrete DSP plus ADC pair with one part, lowering BOM cost and PCB area.
When designing with this device, ensure each analog input stays within the 0 V to AVDD range and place the 2.3 V-3.6 V supply decoupling within 5 mm of every VDD/VSS pin pair. The 120 MHz core requires the PLL loop filter component values from the reference design; deviation causes jitter and CAN-FD bit-rate errors.
Drop-in alternatives for PIC32MK0256GPG064-I/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 PIC32MK0256GPG064-I/PT (same form factor and footprint) — differing in Package, Core Architecture, ADC, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0256GPG048T-E/Y8X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.58 / Unit
View Datasheet →PIC32MK0256GPG048-E/7MX
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.52 / Unit
View Datasheet →PIC32MK0512GPK064-I/PT
✅ Drop-In✓ In Stock
$3.2 / Unit
View Datasheet →PIC32MK0256MCJ064-I/PT
✅ Drop-In✓ In Stock
$2.47 / Unit
View Datasheet →PIC32MX370F512L-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MK0256GPG064-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| Bit Width | 32-bit |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 256 KB with ECC |
| Data SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C (industrial) |
| ADC Channels | Up to 30 channels, 12-bit |
| ADC Sampling Rate | 3 MSPS |
| DAC Outputs | 4 x 12-bit |
| Op-Amps | 4 internal op-amps |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
PIC32MK0256GPG064-I/PT Pin Configuration
| Pin 1 | SDA1 — I2C1 data line |
| Pin 2 | RA14 — General-purpose I/O / peripheral function |
| Pin 3 | RA15 — General-purpose I/O / peripheral function |
| Pin 4 | OSC1 — Crystal oscillator input |
| Pin 5 | OSC2 — Crystal oscillator output |
| Pin 6 | VDD — Digital supply 2.3-3.6 V |
| Pin 7 | VSS — Digital ground |
| Pin 8 | RB0 — General-purpose I/O / AN0 |
| Pin 9 | RB1 — General-purpose I/O / AN1 |
| Pin 10 | RB2 — General-purpose I/O / AN2 |
| Pin 11 | RB3 — General-purpose I/O / AN3 |
| Pin 12 | RB4 — General-purpose I/O / AN4 |
| Pin 13 | RB5 — General-purpose I/O / AN5 |
| Pin 14 | RB6 — General-purpose I/O / AN6 |
| Pin 15 | RB7 — General-purpose I/O / AN7 |
| Pin 16 | RB8 — General-purpose I/O / AN8 |
| Pin 17 | RB9 — General-purpose I/O / AN9 |
| Pin 18 | RB10 — General-purpose I/O / AN10 |
| Pin 19 | RB11 — General-purpose I/O / AN11 |
| Pin 20 | VSS — Digital ground |
| Pin 21 | RB12 — General-purpose I/O / AN12 |
| Pin 22 | RB13 — General-purpose I/O / AN13 |
| Pin 23 | RB14 — General-purpose I/O / AN14 |
| Pin 24 | RB15 — General-purpose I/O / AN15 |
| Pin 25 | RC0 — General-purpose I/O / AN16 |
| Pin 26 | RC1 — General-purpose I/O / AN17 |
| Pin 27 | RC2 — General-purpose I/O / AN18 |
| Pin 28 | RC3 — General-purpose I/O / AN19 |
| Pin 29 | RC4 — General-purpose I/O / AN20 |
| Pin 30 | VDD — Digital supply 2.3-3.6 V |
| Pin 31 | VSS — Digital ground |
| Pin 32 | RC5 — General-purpose I/O / AN21 |
| Pin 33 | RC6 — General-purpose I/O / AN22 |
| Pin 34 | RC7 — General-purpose I/O / AN23 |
| Pin 35 | RC8 — General-purpose I/O / AN24 |
| Pin 36 | RC9 — General-purpose I/O / AN25 |
| Pin 37 | RC10 — General-purpose I/O / AN26 |
| Pin 38 | RC11 — General-purpose I/O / AN27 |
| Pin 39 | RC12 — General-purpose I/O / AN28 |
| Pin 40 | RC13 — General-purpose I/O / AN29 |
| Pin 41 | RC14 — General-purpose I/O |
| Pin 42 | RC15 — General-purpose I/O |
| Pin 43 | VSS — Digital ground |
| Pin 44 | RD0 — General-purpose I/O |
| Pin 45 | RD1 — General-purpose I/O |
| Pin 46 | RD2 — General-purpose I/O |
| Pin 47 | RD3 — General-purpose I/O |
| Pin 48 | RD4 — General-purpose I/O |
| Pin 49 | RD5 — General-purpose I/O |
| Pin 50 | RD6 — General-purpose I/O |
| Pin 51 | RD7 — General-purpose I/O |
| Pin 52 | RD8 — General-purpose I/O |
| Pin 53 | RD9 — General-purpose I/O |
| Pin 54 | RD10 — General-purpose I/O |
| Pin 55 | RD11 — General-purpose I/O |
| Pin 56 | AVSS — Analog ground |
| Pin 57 | AVDD — Analog supply 2.3-3.6 V |
| Pin 58 | RD12 — General-purpose I/O |
| Pin 59 | RD13 — General-purpose I/O |
| Pin 60 | RD14 — General-purpose I/O |
| Pin 61 | RD15 — General-purpose I/O |
| Pin 62 | VSS — Digital ground |
| Pin 63 | MCLR — Master clear / reset (active low) |
| Pin 64 | VDD — Digital supply 2.3-3.6 V |
Typical Applications
PIC32MK0256GPG064-I/PT is suitable for 7 applications: BLDC / PMSM Motor Control (FOC), Industrial PLC Analog Front End, Multi-Phase Digital Power Supply, IIoT Edge Node with CAN-FD Gateway, Solar Inverter MPPT Controller, Robotics Servo and Sensor Hub, Medical Diagnostic Sensor Processor.
BLDC / PMSM Motor Control (FOC)
The PIC32MK0256GPG064-I/PT is well-suited for field-oriented control of brushless DC and permanent-magnet synchronous motors in the 5-300 W range. The 120 MHz MIPS32 microAptiv core executes Park/Clarke transforms and PI control loops at 20-50 kHz PWM without saturating, while 4 on-chip op-amps condition phase-current shunt signals and 4 12-bit DACs supply reference rails. The dual 12-bit ADCs at 3 MSPS sample two phase currents and the DC-bus voltage simultaneously, removing timing skew that would otherwise degrade torque ripple. Mini-thermal data shows the 64-pin TQFP dissipates up to 1.2 W at full peripheral load, so a 4-layer PCB with thermal via array under the exposed pad is recommended.
Recommended
Industrial PLC Analog Front End
In PLC and process-control analog input modules the PIC32MK0256GPG064-I/PT scans up to 30 analog channels at 3 MSPS aggregate, digitizing 4-20 mA current loops and voltage dividers with 12-bit accuracy. Its 64 KB SRAM accommodates moving-window filtering and statistical scaling functions for 1 ms loop times. SPI vs I2C comparison: the part's 3 SPI and 3 I2C buses simultaneously drive ADC isolators, digital isolators, and HMI displays without bus contention. Mini BOM cost benefits from on-chip op-amps replacing external instrumentation amplifiers, while ECC Flash supports SIL-2 firmware paths per IEC 61508.
Recommended
Multi-Phase Digital Power Supply
Digital power conversion including multi-phase buck, interleaved PFC, and LLC stages fits the PIC32MK0256GPG064-I/PT thanks to its 198 DMIPS throughput and dual simultaneous-sampling 12-bit ADCs. The 4 on-chip DACs generate trim voltages for analog loop compensation, while the high-resolution PWM peripheral synthesizes phase-shifted gate drive at 120 MHz resolution. Mini design notes: keep the analog supply (AVDD) within 0.3 V of VDD during power-up; place a 100 nF X7R decoupling cap within 5 mm of every supply pin. ECC Flash mitigates soft-error-induced regulator instability in long-life telecom applications.
Recommended
IIoT Edge Node with CAN-FD Gateway
Industrial IoT edge nodes use the PIC32MK0256GPG064-I/PT as a sensor-hub controller with UART/SPI bridging to wireless modules and an external CAN-FD controller on SPI. The 64 KB SRAM buffers sensor frames for cloud re-transmission, while ECC Flash supports OTA firmware updates with bit-error tolerance. Mini cost: the GPG variant saves roughly $1 versus MCJ variants by omitting on-chip CAN-FD. Designers add an external MCP9017 CAN-FD transceiver on SPI when CAN-FD connectivity is mandatory, sharing the same TQFP-64 footprint for layout reuse.
Recommended
Solar Inverter MPPT Controller
Photovoltaic MPPT algorithms run at 16-32 kHz on the PIC32MK0256GPG064-I/PT, sampling PV panel voltage and current via the dual 12-bit ADCs and driving a DC-AC inverter through the high-resolution PWM peripheral. The 4 op-amps interface directly to hall-effect current sensors and isolated voltage dividers. Mini-thermal note: the 64-pin TQFP sustained dissipation rises above 1 W under worst-case MPPT and inverter-gate signaling, so thermal vias under the exposed pad are mandatory for outdoor enclosures. ECC Flash guards against bit-flips in solar installations where firmware corruption is unrecoverable.
Recommended
Robotics Servo and Sensor Hub
Multi-axis robotic servo controllers use the PIC32MK0256GPG064-I/PT as the master sensor hub, communicating to 8-16 servos over UART/SPI buses at 1 MHz update rates. The 30-channel ADC scans joint-position potentiometers and force sensors while the 4 DACs output trim voltages for analog servo drives. Mini-BOM comparison: integrating the op-amps and DACs saves up to 4 ICs versus an MCU plus external analog chain. ECC Flash supports long-life industrial robotics where field firmware updates are infrequent but bit-flip reliability is critical per IEC 61508 SIL-2.
Recommended
Medical Diagnostic Sensor Processor
Portable diagnostic devices such as blood-glucose meters, pulse oximeters, and spirometers benefit from the PIC32MK0256GPG064-I/PT's low-power 2.3-3.6 V operation, 64 KB RAM for waveform buffers, and 12-bit ADC for analog biosensor channels. The 120 MHz MIPS32 core performs FFT and digital filtering for SpO2 algorithms in real time. Mini-compliance note: ECC Flash supports IEC 62304 firmware reliability; for full IEC 60601-1 medical safety compliance, supplement with external watchdog and isolation. The TQFP-64 footprint fits hand-held enclosures under 50 mm square.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0256GPG064-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0256GPG048T-E/Y8X | PIC32MK0256GPG048-E/7MX | PIC32MK0512GPK064-I/PT | PIC32MK0256MCJ064-I/PT | PIC32MX370F512L-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Clock | MIPS32 microAptiv / 120 MHz | MIPS32 microAptiv / 120 MHz | MIPS32 microAptiv / 120 MHz | MIPS32 microAptiv / 120 MHz | MIPS32 microAptiv / 120 MHz | MIPS M4K / 80 MHz |
| Flash | 256 KB ECC | 256 KB ECC | 256 KB ECC | 512 KB ECC | 256 KB ECC | 512 KB non-ECC |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB |
| CAN-FD | No (GPG general purpose) | No | No | Yes | Yes (2x) | No |
| ADC | Dual 12-bit, 3 MSPS, 30 ch | Dual 12-bit, 3 MSPS | Dual 12-bit, 3 MSPS | Dual 12-bit, 3 MSPS, 30 ch | Dual 12-bit, 3 MSPS, 30 ch | 10-bit, 1 MSPS, 16 ch |
| Operating Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Temperature Grade | -40 C to +85 C (industrial) | -40 C to +125 C (extended) | -40 C to +125 C (extended) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
Key Differentiators
- Dual simultaneous-sampling 12-bit ADC at 3 MSPS (vs PIC32MX370F512L-I/PT)
- On-chip operational amplifiers eliminate comparator design work (vs PIC32MX370F512L-I/PT)
- ECC-protected Flash supports SIL-2 firmware reliability (vs PIC32MK0256MCJ064-I/PT)
Design Notes
Place a 100 nF X7R decoupling capacitor within 5 mm of every VDD/VSS pair and a single 10 uF bulk capacitor on each of the VDD and AVDD rails. According to Microchip family datasheet DS60001902, the AVDD rail must be within 0.3 V of VDD at all times to prevent latch-up; sequence AVDD before VDD if possible, and tie any unused AVSS pins to the board ground plane. Estimated: at 120 MHz with all peripherals active, core current draw reaches approximately 30 mA plus 15 mA analog, requiring a regulator with 50 mA headroom.
The 64-pin TQFP (PT) has a junction-to-ambient thermal resistance of approximately 50 C/W on a 4-layer PCB. At 1.2 W dissipation the package rises 60 C above ambient. Estimated: for sustained operation at 85 C ambient, ensure dissipation stays below 800 mW or attach a thermal via array (9 vias minimum, 0.3 mm drill) under the exposed pad. In enclosed housings, derate further or add airflow.
Keep analog signals (AN0-AN29) routed over a continuous ground plane on the opposite layer to reduce crosstalk; place the analog AVDD filter components (10 uF + 100 nF) within 5 mm of the AVDD pin. The 64-pin TQFP requires 0.5 mm pitch traces - use 0.15 mm trace width with 0.1 mm clearance on a 4-layer stack-up. Reserve a keep-out zone of 3 mm around the OSC1/OSC2 crystal pads to keep stray capacitance below 5 pF for stable 12-25 MHz fundamental-mode oscillation.
Do not leave the MCLR pin floating - tie it to VDD through a 10 kohm pull-up and add a push-button to GND for manual reset. The TMS/TCK JTAG pins must be pulled high during normal operation if unused, otherwise the part may enter debug mode unexpectedly. The Trace port pins (RB9-RB14 shared) should be reconfigured as GPIO if trace is not used, to free analog channels for sensor inputs.
For ADC sampling accuracy better than 1 LSB at 3 MSPS, place a 10 nF C0G/NP0 bypass capacitor directly at each analog input pin. Route ADC traces as 50 ohm microstrip with ground reference on layer 2. Estimated: trace lengths under 25 mm keep below -40 dB crosstalk between adjacent ADC channels at the 1.5 MHz Nyquist rate. Avoid routing PWM outputs adjacent to analog inputs to prevent coupling through the package substrate.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade -40 C to +85 C; not AEC-Q100 qualified - choose PIC32MK automotive variants (V suffix) for automotive applications. REACH compliance per Microchip standard declaration.
