PIC32MX430F064LT-I/PF - 32-bit MCU, 80MHz, 64KB Flash, TQFP-100
MPN: PIC32MX430F064LT-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.55 | $5.55 |
| 10 | $5.07 | $50.70 |
| 100 | $4.46 | $446.00 |
| 500 | $3.91 | $1,955.00 |
| 1,000 | $3.46 | $3,460.00 |
PIC32MX430F064LT-I/PF Overview
A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory (Flash), data memory (RAM), and programmable I/O peripherals on a single die. Within the broader taxonomy, the PIC32MX430 belongs to the hierarchy MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32 family -> PIC32MX4xx sub-family. It is widely deployed in embedded systems requiring deterministic real-time control, USB connectivity, and moderate code density. The MIPS M4K core executes most instructions in one cycle and supports the MIPS16e code-compression extension, reducing Flash footprint for C-code applications.
Key features include 80 MHz core operation with 80 DMIPS throughput, 64 KB Flash (64K x 8) and 16 KB RAM, USB-OTG full-speed with on-chip transceiver, CAN 2.0B, I2S audio interface, 5-channel DMA controller, 16-channel 10-bit ADC, CTMU (Charge Time Measurement Unit) supporting capacitive touch and time-of-flight measurements, and up to 81 general-purpose I/O pins. The industrial temperature range and JTAG/ICSP debug interface support harsh-environment deployment and standard in-circuit debugging tools.
The architecture combines a Harvard-style bus (separate instruction and data paths) with a unified memory map option, hardware multiply/divide unit, and a peripheral bus that offloads I/O from the core. Power management includes sleep, idle, and deep-sleep states with peripheral clock gating to minimize quiescent current in battery-powered applications. The PIC32MX4xx family is widely supported by MPLAB X IDE, Harmony v3 framework, and a rich set of application libraries.
Typical applications include USB peripherals and HID devices, CAN-connected industrial nodes, audio playback with I2S DACs, capacitive-touch human-machine interfaces, motor control with PWM and CTMU feedback, and low-cost embedded controllers in industrial/consumer electronics. The integrated USB-OTG eliminates the need for an external transceiver, saving BOM cost and PCB area.
When designing with this part, ensure the 3.3 V supply is decoupled with 100 nF + 10 uF near each power pin pair (VDD/VSS), and that the 8 MHz crystal (with proper load capacitors) is routed short to the OSC1/OSC2 pins to minimize EMI and clock jitter. Use the ICSP clock/data pins for in-circuit programming, isolating them from high-speed signals where possible.
This page synthesizes distributor availability (DigiKey, Mouser, LCSC), parametric alternatives from the Site MPN catalog, and design notes not found in the standalone datasheet PDF, helping engineers evaluate drop-in replacements and lifecycle options in one place.
Drop-in alternatives for PIC32MX430F064LT-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 PIC32MX430F064LT-I/PF (same form factor and footprint) — differing in Package, USB, ADC, Core Architecture, CTMU.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX430F064L-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX430F064LT-I/PT
✅ Drop-In✓ In Stock
$3.31 / Unit
View Datasheet →PIC32MX330F064L-I/PF
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →PIC32MX370F512L-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX330F064LT-I/PT
✅ Drop-In✓ In Stock
$2.31 / Unit
View Datasheet →PIC32MX270F512L-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX430F064LT-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum Core Frequency | 80 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data Memory (SRAM) | 16 KB |
| Operating Voltage | 2.5 V / 3.3 V |
| I/O Pins | Up to 81 |
| DMA Channels | 5 |
| USB | USB-OTG (full-speed, on-chip transceiver) |
| CAN | CAN 2.0B |
| I2S | Yes |
| CTMU | Yes |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC32MX430F064LT-I/PF 100-pin tqfp (14x14 mm) Pin Configuration Guide
Pin configuration for PIC32MX430F064LT-I/PF (100-pin tqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MX430F064LT-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX430F064LT-I/PF is suitable for 6 applications: USB HID / CDC Peripheral Device, CAN 2.0B Industrial Node, Capacitive-Touch HMI with CTMU, Audio Playback via I2S DAC, Low-Cost Motor Control with PWM, Battery-Powered Sensor Hub with Sleep Modes.
USB HID / CDC Peripheral Device
The PIC32MX430F064LT-I/PF is well-suited to USB HID, CDC, and mass-storage peripherals because of its integrated USB-OTG full-speed controller with on-chip transceiver - no external PHY is required. With 80 MHz MIPS M4K throughput, the core executes USB stack handling plus application code (HID report generation, CDC echo, MSD sector read/write) with margin. The 16 KB SRAM accommodates USB endpoint buffers and descriptor structures, while 64 KB Flash fits typical USB stacks plus application logic. Place a 100 nF + 10 uF decoupling network on VDD/VSS near the ICSP pins, and route the USB D+/D- differential pair with 90 ohm impedance.
Recommended
CAN 2.0B Industrial Node
Industrial CAN nodes (sensor concentrators, motor controllers, building automation) benefit from the PIC32MX430F064LT-I/PF's integrated CAN 2.0B controller and 5-channel DMA engine. The DMA offloads CAN message buffering from the core, leaving MIPS bandwidth for application logic and protocol stacks (CANopen, DeviceNet). Industrial -40 C to +85 C rating supports factory floor deployment. The TQFP-100 /PF footprint exposes up to 81 GPIO for digital I/O, encoder feedback, and PWM channels. Use 120 ohm termination on the CANH/CANL differential pair and add TVS diodes for surge protection per IEC 61000-4-2.
Recommended
Capacitive-Touch HMI with CTMU
The PIC32MX430F064LT-I/PF's Charge Time Measurement Unit (CTMU) enables precise capacitive touch sensing without external touch ICs, supporting buttons, sliders, and wheels via PCB pads. The 80 MHz core executes the touch-scanning algorithm and HMI rendering concurrently, while 10-bit ADC measures analog sliders or ambient-light sensors. The TQFP-100 package exposes enough GPIO for 16+ touch electrodes plus display interface. Route touch electrodes as guarded traces to prevent false triggers and place a 100 nF cap on the CTMU current source reference pin.
Recommended
Audio Playback via I2S DAC
The PIC32MX430F064LT-I/PF's I2S peripheral enables direct connection to external audio DACs (e.g., PCM5101A, UDA1334) for low-cost audio playback in toys, kiosks, and intercom systems. The DMA engine streams audio samples from Flash/SRAM to the I2S TX buffer without core intervention, freeing MIPS for UI handling. With 16 KB SRAM, the MCU can buffer ~30 ms of 16-bit/44.1 kHz stereo audio (5.3 KB), leaving headroom for descriptors and stack. Decouple VDD with a ferrite bead + 10 uF to isolate noise from the analog DAC supply.
Recommended
Low-Cost Motor Control with PWM
Brushless DC and stepper motor control loops run comfortably on the PIC32MX430F064LT-I/PF, leveraging its 80 MHz core, 16-bit timers with PWM, and 5-channel DMA for sensor feedback. The PIC32MX4xx family provides dedicated motor-control PWM with center-aligned mode, fault inputs, and complementary outputs suitable for 3-phase inverter drives. With 64 KB Flash, the MCU accommodates sensorless BLDC algorithms (zero-crossing detection) plus UART/CAN telemetry. Use gate-driver ICs (e.g., MCP8024) between the MCU and power stage.
Recommended
Battery-Powered Sensor Hub with Sleep Modes
The PIC32MX430F064LT-I/PF supports deep-sleep and idle modes that drop quiescent current to single-digit microamps, enabling battery-powered sensor hubs that wake periodically to read sensors and report over USB or CAN. The 10-bit ADC with DMA allows background sampling without core wake, while the 16 KB SRAM retains data across sleep cycles. Industrial temperature range supports outdoor deployment. Use the on-chip RTCC with external 32.768 kHz crystal for accurate wake intervals and add a load switch on the sensor supply rail.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX430F064LT-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX430F064L-I/PF | PIC32MX430F064LT-I/PT | PIC32MX330F064L-I/PF | PIC32MX370F512L-I/PF | PIC32MX270F512L-I/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (14x14 mm) /PF | 100-pin TQFP (14x14 mm) /PF - same | 100-pin TQFP (12x12 mm) /PT - smaller body | 100-pin TQFP (14x14 mm) /PF - same | 100-pin TQFP (14x14 mm) /PF - same | 100-pin TQFP (14x14 mm) /PF - same |
| Core | MIPS32 M4K 32-bit, 80 MHz | MIPS32 M4K 32-bit, 80 MHz | MIPS32 M4K 32-bit, 80 MHz | MIPS32 M4K 32-bit, 80 MHz | MIPS32 M4K 32-bit, 80 MHz | MIPS32 M4K 32-bit, 80 MHz |
| Flash | 64 KB | 64 KB | 64 KB | 64 KB | 512 KB | 512 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 128 KB | 128 KB |
| USB-OTG | Yes | Yes | Yes | Yes | Yes | No |
| CAN 2.0B | Yes | Yes | Yes | No | Yes | Yes |
| I2S | Yes | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Integrated USB-OTG full-speed on-chip transceiver (vs PIC32MX270F512L-I/PF)
- Larger Flash + RAM for firmware-rich applications (vs PIC32MX330F064L-I/PF)
- Moderate-density Flash versus 512 KB alternatives (vs PIC32MX370F512L-I/PF)
Design Notes
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pin pair, and add one bulk 10 uF X5R capacitor per device. The on-chip voltage regulator requires a 10 uF low-ESR cap on the VCAP pin for stability. Failure to follow these decoupling guidelines causes brown-out resets and erratic USB enumeration.
Do not leave unused I/O pins unconfigured - they float and draw excess current. Configure unused pins as digital outputs driving low or inputs with internal pull-ups. Also, the ICSP clock/data pins (PGECx/PGEDx) must not be used as GPIO during programming unless the ICSP disable fuse is set, otherwise debug access is blocked in production.
Route the USB D+/D- differential pair with 90 ohm differential impedance and matched lengths within 150 mil. Keep the pair away from high-frequency switching signals (>50 MHz) and clock traces. Place the on-chip USB transceiver's external reference resistor (typically 12.4 kohm, per datasheet) within 5 mm of the VUSB pin and decouple VUSB with a 0.1 uF cap to ground.
Compliance Information
RoHS compliance per Microchip product page; REACH and conflict minerals declarations available on Microchip corporate responsibility page; AEC-Q100 not applicable since part is industrial-grade (-40 C to +85 C) not automotive-qualified.
