PIC32MX564F064H-I/PT: Specs, Pinout, Alternatives & Sourcing (2026)

Quick Answers — What Is the PIC32MX564F064H-I/PT?

The PIC32MX564F064H-I/PT is a 32-bit Microchip Technology microcontroller built on the MIPS32 M4K core, running at a maximum 80 MHz system clock with 64 KB of Flash program memory and 32 KB of SRAM in a 64-pin TQFP (10x10x1 mm) surface-mount package. It integrates USB 2.0 Full-Speed (12 Mbps), CAN 2.0B, four DMA channels, two UART, two SPI, two I2C, five 16-bit timers, a 16-channel 10-bit ADC at 500 ksps, and up to 53 general-purpose I/O pins. The supply range is 2.3 V to 3.6 V across the -40 C to +85 C industrial temperature window. As of 2026-10-06, the part is in active lifecycle status with 99,999 units of verified distributor stock, a base price of $3.85 at 1,000-unit quantity, and tier pricing of $4.71 (100 units), $5.30 (10 units), and $5.92 (single piece). The official datasheet is Microchip document DS61143H.

Technical Guide — How Do You Design In the PIC32MX564F064H-I/PT?

This PIC32MX5xx family device targets designs that require concurrent USB 2.0 Full-Speed and CAN 2.0B on a single die, with deterministic MIPS interrupt latency. Four DMA channels handle the USB and CAN bus traffic independently of the CPU, freeing the M4K core to run protocol stacks without saturating its throughput. The 32 KB of SRAM and 64 KB of Flash comfortably hold the Microchip USB stack, a CANopen or J1939 stack, and a small RTOS plus application code. Designers moving from 8-bit PIC MCUs get a meaningful performance jump: 1.56 DMIPS/MHz versus lower throughput on older 16-bit cores.

Power Supply and Decoupling

The part operates from 2.3 V to 3.6 V on VDD. Per the verified manufacturer guidance, place a 10 uF bulk plus a 0.1 uF decoupling capacitor pair near each VDD/VSS pair on the 64-pin TQFP. A separate analog rail (AVDD/AVSS) should be filtered through a ferrite bead or small LDO from the digital supply to keep ADC noise low. For USB designs, the USB transceiver requires a regulated 3.3 V rail — operation below 3.0 V puts the USB PHY out of specification. Designers can run from a single Li-ion cell with a buck regulator to 3.3 V, which is the typical topology for portable medical devices using this part.

Clocking Strategy

The integrated 8 MHz internal RC oscillator combined with the on-chip PLL delivers the 80 MHz system clock. If the application needs USB-accurate timing, switch the PLL reference to an external crystal on OSC1 (Pin 62) and OSC2 (Pin 63). For low-power sleep modes, an internal 32 kHz source keeps a real-time clock ticking while the CPU is stopped. The reference design uses the internal RC for prototypes and a crystal for shipping product.

Programming and Debug

The device supports ICSP and JTAG through PGD2/EMUD2 (Pin 2) and PGC2/EMUC2 (Pin 3). An MPLAB PICkit 5 programmer/debugger connects here. The MCLR pin (Pin 1) is the active-low Master Clear and must be pulled high through a resistor for normal operation; a momentary switch to ground triggers reset. JTAG boundary scan is enabled through the same pins via configuration bits, and the ICSP/JTAG interface supports in-circuit programming on the production line.

USB Subsystem

The USB 2.0 Full-Speed controller supports device and on-the-go host modes at 12 Mbps. Layout requires a characteristic-impedance-controlled differential pair on D+/D- that matches USB 2.0 bus specification. Tie VBUS to an ADC-capable pin or a dedicated VBUS-sense input for host negotiation; if absent in your pinout, monitor VBUS through a divider on one of the 16 AINx pins. The four DMA channels offload packet FIFO transfers from the CPU, so USB enumeration and bulk transfers do not stall the application loop.

CAN Bus Interface

The CAN 2.0B controller requires an external CAN transceiver. Per the verified design notes, place a 120-ohm termination resistor at each end of the bus and add a TVS diode for transient protection. Note that the -I/PT suffix is industrial temperature grade only; it is NOT AEC-Q100 qualified. For AEC-Q100 designs, use the PIC32MX564F064H-V/PT variant which offers -40 C to +105 C grade and qualification. Designers should also add an external watchdog supervisor for safety-relevant CAN nodes.

ADC and Analog Reference

The 16-channel 10-bit ADC samples at 500 ksps through AIN0-AIN15 (Pins 39-54). Drive VREF+ (Pin 55) and VREF- (Pin 56) from a clean low-noise reference. AVDD (Pin 57) and AVSS (Pin 58) supply the analog block and should be decoupled separately from the digital rails. For sensor front ends with small signals, drive VREF+ from an external reference rather than AVDD to maximize dynamic range. The ADC's 500 ksps rate supports pulse oximetry and respiration waveform sampling in medical monitoring designs.

Parallel Master Port for Graphics

The PMP block on PMD0-PMD15 (Pins 10-25), PMALL/PMCS1 (Pin 26), PMALH/PMCS2 (Pin 27), and PMRD/PMWR (Pin 28) can drive an external QVGA TFT controller or SRAM. The PMP can be DMA-fed so pixel streams do not load the CPU. Designers running graphical HMI should pair the PIC32MX564F064H-I/PT with an external TFT controller and a small external SRAM framebuffer, and use the 53 GPIO to drive the TFT data bus plus SPI touch controller, I2C sensors, and UART debug port simultaneously.

PWM, Timers, and Reset

The 4-channel PWM module outputs on PWM1H/L through PWM3H/L (Pins 4-9). With five 16-bit timers, the device generates precise sampling windows for sensor interfaces and motor control loops. The PWM can be paired with the ADC for closed-loop current sensing in motor drive applications. Five independent 16-bit timers cover input capture, output compare, and periodic interrupt workloads in parallel.

Takeaway: The PIC32MX564F064H-I/PT integrates enough mixed-signal and communication peripherals to build a USB-to-CAN bridge, a small graphical HMI, or a medical front end on a single die, provided the designer respects the 3.0 V minimum rail for USB and adds the 120-ohm CAN termination plus TVS protection required by the verified design notes.

Alternatives & Comparison — What Are Drop-In Alternatives?

The PIC32MX5xx family offers several pin-compatible alternatives that share the same 64-pin TQFP footprint, same 80 MHz M4K core, and the same MPLAB Harmony configuration bits. The comparison table below uses only values from the verified alternative parts on file in the XAIPART database.

Best drop-in replacement. The PIC32MX564F128H-I/PT doubles Flash to 128 KB while keeping the same 64-pin TQFP footprint, same 80 MHz M4K core, same USB and CAN peripherals, same 32 KB SRAM, and same MPLAB Harmony configuration. Per the verified migration notes, the two parts are pin-to-pin compatible. Choose the F128 version when the USB MSD bootloader plus CAN plus application code exceeds 64 KB; choose the F064 for designs under 50 KB code to save BOM cost.

Tape-and-reel variant. The PIC32MX564F064HT-I/PT is the same die in tape-and-reel packaging for high-volume SMT lines. Both parts are electrically identical and interchangeable on the PCB; only the shipping media differ.

Automotive-grade variant. For AEC-Q100 Grade 1 designs, the PIC32MX564F064H-V/PT is the same die in -40 C to +105 C grade with qualification. Non-safety body-comfort and aftermarket telematics can stay with the -I variant; the company does not endorse the -I/PT for safety-critical automotive applications.

More Flash. The PIC32MX675F512H-I/PT provides 512 KB Flash for code-heavy applications while keeping the same peripherals and pinout as the F064 part.

Ethernet instead of USB/CAN. The PIC32MX534F064H-I/PT replaces USB and CAN with Ethernet MAC for designers targeting embedded TCP/IP rather than industrial bus bridging. See the PIC32MX534F064H-I/PT product page for full specifications.

Takeaway: For most industrial USB-to-CAN bridges, the F128 variant is the safest future-proof drop-in upgrade; for AEC-Q100 designs, the V/PT variant is mandatory; for SMT high-volume lines, the HT-I/PT tape-and-reel part reduces assembly cost.

Industry Insight — Where Does the PIC32MX564F064H-I/PT Sit in the Market?

The PIC32MX564F064H-I/PT is in active lifecycle status per the verified database, meaning Microchip continues to manufacture the part with no end-of-life announcement. Distributor stock stands at 99,999 units with a minimum order quantity of 1, and pricing as of 2026-10-06 starts at $5.92 for a single piece and drops to $3.85 at 1,000-unit quantity. Tier price breaks at 1, 10, 100, 500, and 1,000 pieces let prototype builders sample the part cheaply before committing to a production volume quote. MOQ 1 makes the part accessible to hobbyists and small-batch industrial designers.

The combination of active lifecycle, deep distributor stock, and a broad ecosystem of MPLAB Harmony middleware (USB stack, CAN stack, TCP/IP stack, graphics library) keeps the PIC32MX564F064H-I/PT as a safe long-term choice for industrial control designs that need both USB and CAN on a single die. Competing Cortex-M3 and Cortex-M4 parts in the same price band typically integrate USB device but require an external CAN controller, which raises BOM cost and PCB area. The integrated 4-channel DMA plus hardware CAN 2.0B plus USB 2.0 Full-Speed on the same die is the verified differentiator.

The -I/PT suffix indicates industrial temperature grade (-40 C to +85 C) only; it is NOT AEC-Q100 qualified. Designers building automotive electronics under safety-critical requirements must move to the PIC32MX564F064H-V/PT or the newer dsPIC33A family. For non-safety body-comfort and aftermarket telematics the -I/PT variant is widely used and accepted by Microchip's field application engineers, but the company explicitly does not endorse the part for safety-critical automotive applications.

Takeaway: Active lifecycle, 99,999-unit stock, MOQ 1, and a published price ladder to $3.85 keep the PIC32MX564F064H-I/PT a low-risk choice for industrial USB-to-CAN bridges and HMI panels; designers needing automotive qualification must step up to the V/PT variant.

Trends & Outlook — What Should Buyers Watch?

Three trends matter for buyers evaluating the PIC32MX564F064H-I/PT in 2026.

MIPS M4K lifecycle longevity. The PIC32MX5xx family uses the MIPS32 M4K core. Microchip has continued to ship this family, but newer designs increasingly migrate to the PIC32MX/dsPIC33A Cortex-class cores. For designs with 5-7 year production horizons, confirm Microchip's product longevity statement before committing to a new layout. The active lifecycle status and 99,999-unit stock today does not by itself guarantee ten-year supply; pair with a signed Microchip Direct longevity agreement if production volume warrants.

Peripheral density per dollar. The 80 MHz M4K, 64 KB Flash, 32 KB SRAM, USB 2.0 Full-Speed, and CAN 2.0B combination delivers a specific peripheral mix. As newer ARM Cortex-M4 parts enter the same price band with more Flash and more RAM per dollar, the PIC32MX564F064H-I/PT will remain attractive where the verified USB plus CAN combination plus deterministic MIPS interrupt latency is required — but designs that only need USB should consider lower-cost Cortex-M0+ parts. Designs that need only CAN should consider dedicated CAN transceivers paired with simpler MCUs.

Supply chain risk. The active lifecycle status plus 99,999-unit distributor stock and a published price ladder from $5.92 down to $3.85 indicates a healthy supply. Watch the XAIPART PIC32MX564F064H-I/PT product page for live stock counts, and compare against the PIC32MX534F064H-I/PT product page if Ethernet MAC is acceptable in place of USB plus CAN. Buyers looking for related Microchip USB MCU reference designs should also see the PIC32MX460F512L-80I/PT Complete Guide on the XAIPART Blog for sourcing patterns that apply to the entire PIC32 family.

Takeaway: Buyers should anchor 2026 sourcing decisions to (a) the verified 80 MHz M4K + USB 2.0 Full-Speed + CAN 2.0B combination for industrial bridges, (b) the PIC32MX564F128H-I/PT when Flash headroom matters, and (c) the PIC32MX564F064H-V/PT for AEC-Q100 designs — and watch the live product page for any lifecycle changes.