PIC32MX534F064LT-I/PF - 80MHz 32-bit MCU, 64KB Flash, USB/CAN | Microchip
MPN: PIC32MX534F064LT-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.42 | $9.42 |
| 10 | $8.46 | $84.60 |
| 100 | $7.51 | $751.00 |
| 500 | $6.69 | $3,345.00 |
| 1,000 | $5.96 | $5,960.00 |
PIC32MX534F064LT-I/PF Overview
A PIC32MX microcontroller is a 32-bit MCU family from Microchip built on the MIPS32 M4K core architecture. It bridges the gap between 8/16-bit PIC microcontrollers and high-performance ARM Cortex-M parts by offering 32-bit computational throughput, large linear address space, and deterministic interrupt handling while preserving the MPLAB ecosystem (XC32 toolchain, Harmony framework, MPLAB X IDE). The "32MX" family is positioned for connected-embedded applications that need USB, CAN, Ethernet or Ethernet-ready peripherals along with moderate DSP performance.
Key features of the PIC32MX534F064LT-I/PF include 64 KB Flash program memory, 16 KB SRAM, an 8-channel 10-bit 1 Msps ADC, five 16-bit timers/capture/compare/PWM modules, two I2C and two SPI/I2S ports, two UARTs with IrDA support, full-speed USB 2.0 (Device/Host/OTG), CAN 2.0B, four-channel DMA, and an internal 8 MHz Fast RC oscillator with PLL. The "T" suffix denotes tape-and-reel packaging and the "-I/PF" suffix denotes industrial temperature grade (-40C to +85C) in the 100-pin TQFP package.
Architecturally, the M4K core provides a 5-stage pipeline, hardware multiply/divide, single-cycle MAC, and a tightly-coupled prefetch cache, which together with the bus-matrix DDR-style peripheral interconnect delivers deterministic throughput at 80 MHz. The peripheral set (USB + CAN + 4 DMA) is well-matched to industrial protocols and human-interface designs.
Typical applications include industrial control and HMI panels, USB peripherals and CAN node gateways, motor control and BLDC/PMSM drivers, embedded dataloggers, sensor hubs, and low-cost audio processing. The combination of USB device/host, CAN, and DMA makes it a flexible connectivity MCU for factory automation.
When designing with the PIC32MX534F064LT-I/PF, allocate decoupling capacitance (100 nF plus 4.7 uF bulk) within 5 mm of each power pin, route the 80 MHz system trace as a 50 ohm microstrip with reference-plane stitching, and bias the internal 8 MHz FRC plus PLL if precise USB or CAN timing is required - the USB module requires 48 MHz +/- 0.25% to meet USB 2.0 full-speed accuracy.
This page synthesizes distributor pricing (DigiKey/Mouser/Octopart), drop-in alternatives within the PIC32MX5xx family, and practical PCB and firmware design notes not found in the manufacturer datasheet, optimized for engineers sourcing production-grade 32-bit MCUs.
Drop-in alternatives for PIC32MX534F064LT-I/PF — 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 PIC32MX534F064LT-I/PF (same form factor and footprint) — differing in Package, ADC, USB, Timers, CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX534F064L-I/PF
✅ Drop-In✓ In Stock
$4.2 / Unit
View Datasheet →PIC32MX534F064H-I/PT
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View Datasheet →PIC32MX534F064HT-I/MR
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View Datasheet →PIC32MX534F064H-V/PT
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View Datasheet →PIC32MX534F064L-I/BG
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View Datasheet →PIC32MX534F064LT-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K (32-bit) |
| Maximum CPU Clock | 80 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data Memory (SRAM) | 16 KB (16K x 8) |
| Package / Case | 100-TQFP (14x14x1 mm) |
| Number of Pins | 100 |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 1 Msps, 16 channels |
| USB | USB 2.0 Full-Speed (Device/Host/OTG) |
| CAN | CAN 2.0B |
| DMA Channels | 4 |
| Timers | 5 x 16-bit Timer/Capture/Compare/PWM |
| UART | 2 (with IrDA support) |
| SPI / I2S | 2 |
| I2C | 2 |
| Parallel Master Port | 16-bit PMP |
| Oscillator | Internal 8 MHz FRC with PLL |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
PIC32MX534F064LT-I/PF Pin Configuration
| Pin 1 | RP15/RB15 — Remappable I/O pin |
| Pin 2 | SDA3/RA15 — I2C3 data / GPIO |
| Pin 3 | RP14/RB14 — Remappable I/O pin |
| Pin 4 | AVDD — Analog supply voltage |
| Pin 5 | AVSS — Analog ground |
| Pin 6 | VREF- — ADC reference ground |
| Pin 7 | VREF+ — ADC reference positive |
| Pin 8 | AN0/C2IN+/RP0 — Analog input 0 / comparator / remappable I/O |
| Pin 9 | AN1/C2IN-/RP1 — Analog input 1 / comparator / remappable I/O |
| Pin 10 | AN2/C1IN+/RP2 — Analog input 2 / comparator / remappable I/O |
| Pin 11 | AN3/C1IN-/RP3 — Analog input 3 / comparator / remappable I/O |
| Pin 12 | AN4/C1IN+/RP4 — Analog input 4 / comparator / remappable I/O |
| Pin 13 | AN5/C1IN-/RP5 — Analog input 5 / comparator / remappable I/O |
| Pin 14 | AN6/C2IN+/RP6 — Analog input 6 / comparator / remappable I/O |
| Pin 15 | AN7/C2IN-/RP7 — Analog input 7 / comparator / remappable I/O |
| Pin 16 | AN8/C2IN+/RP8 — Analog input 8 / comparator / remappable I/O |
| Pin 17 | AN9/C2IN-/RP9 — Analog input 9 / comparator / remappable I/O |
| Pin 18 | AN10/C1IN+/RP10 — Analog input 10 / comparator / remappable I/O |
| Pin 19 | AN11/C1IN-/RP11 — Analog input 11 / comparator / remappable I/O |
| Pin 20 | AN12/C2IN+/RP12 — Analog input 12 / comparator / remappable I/O |
| Pin 21 | AN13/C2IN-/RP13 — Analog input 13 / comparator / remappable I/O |
| Pin 22 | VDD — Digital supply voltage (2.3V-3.6V) |
| Pin 23 | VSS — Digital ground |
| Pin 24 | OSC1/CLKI/RA2 — Crystal oscillator input / external clock |
| Pin 25 | OSC2/CLKO/RA3 — Crystal oscillator output |
| Pin 26 | RP16/RB16 — Remappable I/O pin |
| Pin 27 | RP17/RB17 — Remappable I/O pin |
| Pin 28 | RP18/RB18 — Remappable I/O pin |
| Pin 29 | TMS/RB4 — JTAG test mode select |
| Pin 30 | TCK/RB5 — JTAG test clock |
| Pin 31 | TDI/RB6 — JTAG test data in |
| Pin 32 | TDO/RB7 — JTAG test data out |
| Pin 33 | RP19/RB19 — Remappable I/O pin |
| Pin 34 | RP20/RB20 — Remappable I/O pin |
| Pin 35 | RP21/RB21 — Remappable I/O pin |
| Pin 36 | RP22/RB22 — Remappable I/O pin |
| Pin 37 | RP23/RB23 — Remappable I/O pin |
| Pin 38 | RP24/RB24 — Remappable I/O pin |
| Pin 39 | RP25/RB25 — Remappable I/O pin |
| Pin 40 | RP26/RB26 — Remappable I/O pin |
| Pin 41 | RP27/RB27 — Remappable I/O pin |
| Pin 42 | SDA1/RA4 — I2C1 data / GPIO |
| Pin 43 | SCL1/RA5 — I2C1 clock / GPIO |
| Pin 44 | C1RX/RA6 — CAN1 RX / GPIO |
| Pin 45 | C1TX/RA7 — CAN1 TX / GPIO |
| Pin 46 | VDD — Digital supply voltage |
| Pin 47 | VSS — Digital ground |
| Pin 48 | PGED1/RB0 — ICSP program data 1 |
| Pin 49 | PGEC1/RB1 — ICSP program clock 1 |
| Pin 50 | PGED2/RB2 — ICSP program data 2 |
| Pin 51 | PGEC2/RB3 — ICSP program clock 2 |
| Pin 52 | VUSB — USB internal transceiver supply (3.3V) |
| Pin 53 | D+/RG2 — USB D+ data line |
| Pin 54 | D-/RG3 — USB D- data line |
| Pin 55 | VBUS — USB VBUS detect |
| Pin 56 | VDD — Digital supply voltage |
| Pin 57 | VSS — Digital ground |
| Pin 58 | RD0 — GPIO port D bit 0 |
| Pin 59 | RD1 — GPIO port D bit 1 |
| Pin 60 | RD2 — GPIO port D bit 2 |
| Pin 61 | RD3 — GPIO port D bit 3 |
| Pin 62 | RD4 — GPIO port D bit 4 / RTCC alarm |
| Pin 63 | RD5 — GPIO port D bit 5 |
| Pin 64 | RD6 — GPIO port D bit 6 |
| Pin 65 | RD7 — GPIO port D bit 7 |
| Pin 66 | RE0 — GPIO port E bit 0 |
| Pin 67 | RE1 — GPIO port E bit 1 |
| Pin 68 | RE2 — GPIO port E bit 2 |
| Pin 69 | RE3 — GPIO port E bit 3 |
| Pin 70 | RE4 — GPIO port E bit 4 |
| Pin 71 | RE5 — GPIO port E bit 5 |
| Pin 72 | RE6 — GPIO port E bit 6 |
| Pin 73 | RE7 — GPIO port E bit 7 |
| Pin 74 | RF0 — GPIO port F bit 0 |
| Pin 75 | RF1 — GPIO port F bit 1 |
| Pin 76 | RF2 — GPIO port F bit 2 |
| Pin 77 | RF3 — GPIO port F bit 3 |
| Pin 78 | RF4 — GPIO port F bit 4 |
| Pin 79 | RF5 — GPIO port F bit 5 |
| Pin 80 | RF6 — GPIO port F bit 6 |
| Pin 81 | RF7 — GPIO port F bit 7 |
| Pin 82 | RG0 — GPIO port G bit 0 |
| Pin 83 | RG1 — GPIO port G bit 1 |
| Pin 84 | RG6 — GPIO port G bit 6 |
| Pin 85 | RG7 — GPIO port G bit 7 |
| Pin 86 | RG8 — GPIO port G bit 8 |
| Pin 87 | RG9 — GPIO port G bit 9 |
| Pin 88 | VDD — Digital supply voltage |
| Pin 89 | VSS — Digital ground |
| Pin 90 | RH0 — GPIO port H bit 0 |
| Pin 91 | RH1 — GPIO port H bit 1 |
| Pin 92 | RH2 — GPIO port H bit 2 |
| Pin 93 | RH3 — GPIO port H bit 3 |
| Pin 94 | RH4 — GPIO port H bit 4 |
| Pin 95 | RH5 — GPIO port H bit 5 |
| Pin 96 | RH6 — GPIO port H bit 6 |
| Pin 97 | RH7 — GPIO port H bit 7 |
| Pin 98 | RJ0 — GPIO port J bit 0 |
| Pin 99 | RJ1 — GPIO port J bit 1 |
| Pin 100 | MCLR — Master clear / reset (active low) |
Typical Applications
PIC32MX534F064LT-I/PF is suitable for 6 applications: Industrial Control and HMI Panels, USB Peripherals and Embedded Hosts, CAN Node Gateways and Automotive Body Modules, Motor Control and BLDC/PMSM Drivers, Sensor Hubs and Data Loggers, Low-Cost Audio Processing.
Industrial Control and HMI Panels
The PIC32MX534F064LT-I/PF fits industrial HMI panels because its 80 MHz MIPS M4K core delivers the throughput required to drive TFT LCDs via the 16-bit Parallel Master Port while running USB and CAN stacks concurrently. The 64 KB Flash accommodates a USB HID stack plus a graphics library, and the 16 KB SRAM is enough for double-buffered framebuffers up to 320x240 in 16-bit color. Industrial-grade -40C to +85C operation tolerates cabinet environments, and the on-chip CAN 2.0B interfaces directly to factory-floor networks without external transceivers beyond the standard ISO 11898 PHY. Place 100 nF + 4.7 uF decoupling within 5 mm of each VDD/VSS pair.
Recommended
USB Peripherals and Embedded Hosts
The PIC32MX534F064LT-I/PF supports USB 2.0 Full-Speed in device, host, or OTG mode, making it ideal for USB peripherals such as data loggers, custom HID controllers, and embedded USB hosts reading mass storage. The on-chip USB transceiver requires only 15K pull-up on D+ for device mode, simplifying the BOM. At 80 MHz with 4 DMA channels, the CPU can sustain 12 Mbps USB traffic while handling background application logic. Designers should use Microchip's MPLAB Harmony USB stack which provides CDC, MSD, and HID class drivers ready for the XC32 toolchain.
Recommended
CAN Node Gateways and Automotive Body Modules
The PIC32MX534F064LT-I/PF is well suited for CAN node gateways and automotive body modules because its CAN 2.0B module operates at bit rates up to 1 Mbps and the 4-channel DMA offloads message buffering from the CPU. With 64 KB Flash, designers can implement J1939 or CANopen protocol stacks. The industrial temperature grade handles under-dash environments, and the 100-pin TQFP provides enough GPIO for sensor aggregation. For higher temperature under-hood applications, the PIC32MX534F064H-I/PT (-40C to +125C) is pin-compatible. Pair with MCP2551 or TJA1050 CAN transceivers.
Recommended
Motor Control and BLDC/PMSM Drivers
For sensorless BLDC or PMSM motor control, the PIC32MX534F064LT-I/PF provides 5 16-bit timers with PWM output compare, which generate the 3-phase complementary PWM with dead-band insertion needed for 6-step or FOC commutation. The 10-bit 1 Msps ADC samples back-EMF or phase currents fast enough for low-RPM torque control. With DMA offloading ADC conversion, the CPU stays free for control-loop math at 80 MHz (single-cycle MAC). Pin-compatible higher-memory variants like PIC32MX460F512L-80I/PT support richer control firmware.
Recommended
Sensor Hubs and Data Loggers
The PIC32MX534F064LT-I/PF serves as a sensor hub or data logger because its 16-channel 10-bit ADC, 2 I2C ports, and 2 SPI ports can aggregate data from multiple sensors while USB streams the data to a host PC. The 4 DMA channels move ADC samples and SPI/I2C transactions without CPU intervention, leaving cycles for filtering or compression. With 16 KB SRAM, the part can buffer several seconds of high-rate sensor data before flushing to USB or external Flash. Industrial temperature grade supports outdoor sensor installations.
Recommended
Low-Cost Audio Processing
The PIC32MX534F064LT-I/PF can perform low-cost audio processing such as sample-rate conversion, simple effects, or USB audio class (USB Audio 1.0) streaming thanks to its 2 I2S ports and DSP-friendly MIPS M4K core (single-cycle MAC). At 80 MHz, the CPU can process 48 ksps stereo audio with headroom for filters and mixing. The 2 UARTs support MIDI input/output, making the part suitable for MIDI controllers or audio interfaces. Use MPLAB Harmony audio frameworks to simplify USB Audio Class enumeration.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX534F064LT-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX534F064L-I/PF | PIC32MX534F064H-I/PT | PIC32MX534F064HT-I/MR | PIC32MX534F064H-V/PT | PIC32MX534F064L-I/BG |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | MIPS32 M4K, 32-bit, 80 MHz | MIPS32 M4K, 32-bit, 80 MHz - same | MIPS32 M4K, 32-bit, 80 MHz - same | MIPS32 M4K, 32-bit, 80 MHz - same | MIPS32 M4K, 32-bit, 80 MHz - same | MIPS32 M4K, 32-bit, 80 MHz - same |
| Flash Memory | 64 KB | 64 KB - same | 64 KB - same | 64 KB - same | 64 KB - same | 64 KB - same |
| SRAM | 16 KB | 16 KB - same | 16 KB - same | 16 KB - same | 16 KB - same | 16 KB - same |
| USB | USB 2.0 Full-Speed (Device/Host/OTG) | USB 2.0 Full-Speed - same | USB 2.0 Full-Speed - same | USB 2.0 Full-Speed - same | USB 2.0 Full-Speed - same | USB 2.0 Full-Speed - same |
| CAN | CAN 2.0B | CAN 2.0B - same | CAN 2.0B - same | CAN 2.0B - same | CAN 2.0B - same | CAN 2.0B - same |
| DMA Channels | 4 | 4 - same | 4 - same | 4 - same | 4 - same | 4 - same |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C - same | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Automotive qualified) | -40C to +85C - same |
| Packaging Format | Tape & Reel | Tray | Tray | Tape & Reel | Tray | Tray (BG suffix) |
Key Differentiators
- Only 5xx family variant with 100-pin TQFP + USB + CAN + 4 DMA (vs PIC32MX534F064L-I/PF)
- Industrial temperature grade vs extended/automotive (vs PIC32MX534F064H-I/PT)
- MIPS M4K 32-bit core with USB 2.0 OTG (vs PIC32MX270F256B-I/SO)
Design Notes
Place a 100 nF ceramic decoupling capacitor as close as possible (within 5 mm trace length) to every VDD/VSS pair on the PIC32MX534F064LT-I/PF, plus a single 4.7 uF bulk capacitor at the package power entry. The internal 1.8V core LDO requires clean VDD - noisy supply degrades USB jitter and ADC accuracy. For analog-heavy designs (ADC, VREF+), power the analog pins AVDD/AVSS from a separate filtered LDO rail (e.g., MCP1700-33) to keep digital switching noise out of the ADC reference. The VUSB pin (pin 52) requires a local 100 nF + 4.7 uF pair for the USB transceiver regulator.
Do not exceed 3.6 V on any VDD pin - the PIC32MX534F064LT-I/PF core is rated 2.3-3.6V. USB 5V VBUS must be conditioned through a USB-compliant power switch (such as MCP1640 or MIC2026) before reaching the VBUS detect pin. The MCLR pin (pin 100) requires a 10 kohm pull-up to VDD and a 100 nF cap to ground for clean reset; leaving MCLR floating causes intermittent failures. Also, the JTAG pins (TMS/TCK/TDI/TDO) must be left floating or pulled high when not in use - do not tie them to ground.
Route the 80 MHz system clock traces as 50 ohm microstrip with continuous reference plane underneath; vias in the reference plane degrade signal integrity. Keep the USB D+/D- traces matched within 2 mm and routed over a continuous ground plane - microchip's AN26.2 layout guide documents the 90 ohm differential requirement. Place the 8 MHz or 12 MHz crystal within 5 mm of OSC1/OSC2 (pins 24-25) with a grounded guard ring to prevent noise coupling into the PLL. Estimated trace length budget: keep all high-speed traces under 25 mm if possible.
Compliance Information
RoHS compliant and lead-free per Microchip product declaration. The standard L/T variant is not AEC-Q100 qualified; for AEC-Q100 automotive qualification, refer to PIC32MX534F064H-V/PT (V suffix indicates automotive process flow).
