PIC32MX470F512HT-V/PT - 80MHz, 512KB Flash 32-bit MCU | Microchip
MPN: PIC32MX470F512HT-V/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.12 | $61.20 |
| 100 | $5.42 | $542.00 |
| 500 | $4.78 | $2,390.00 |
| 1,000 | $4.2 | $4,200.00 |
PIC32MX470F512HT-V/PT Overview
A PIC32MX microcontroller is a 32-bit RISC MCU based on the MIPS32 M4K core, positioned between 8-bit PIC16/PIC18 microcontrollers and higher-end ARM Cortex-M devices. PIC32MX parts combine deterministic 32-bit performance with rich integrated peripherals (USB, I2S, PMP, CTMU), targeting embedded HMI, audio, USB-device, and graphics user-interface designs that outgrow 8-bit parts but do not need a Cortex-M4 application processor. Within the PIC32 family, MX4 subfamily devices add more memory and USB/HMI features compared to MX1/MX2; within MX4, the 470 variant is the largest-memory tier.
Key features include up to 80MHz core clock, 1.56 DMIPS/MHz performance, 512KB Flash with 128KB RAM, 28 channels of 10-bit ADC, 5 PWM channels, 5 timers/counters, 4 UART modules, 2 I2C, 2 I2S, 2 SPI, USB 2.0 Full-Speed OTG, and Peripheral Pin Select (PPS) that remaps most digital peripherals to almost any I/O pin. The operating voltage range is 2.3V to 3.6V, and the industrial/extended operating temperature range is -40C to +105C, suitable for harsh-environment embedded systems.
The architecture uses a single-core MIPS32 M4K 32-bit RISC pipeline with hardware multiply/divide and a tightly-coupled prefetch module for deterministic Flash execution. A 5-stage pipeline, branch delay slot, and dual-set associative SRAM allow sustained 1.56 DMIPS/MHz throughput. The integrated USB 2.0 Full-Speed OTG transceiver, dedicated DMA channels, and PMP graphics interface enable QVGA TFT display support without an external controller.
Typical applications include USB peripherals (HID, CDC, MSD), audio playback with I2S codec interfaces, HMI touch panels using CTMU + 10-bit ADC, QVGA TFT LCD graphics with PMP, industrial control panels, and home automation controllers. The wide -40C to +105C temperature range and rich peripherals also fit automotive body electronics and white-goods user interfaces.
When designing with this device, allocate sufficient Flash wait-state budgeting for the 80MHz core clock; use the PIC32 USB stack and Harmony framework firmware; and place a 12 MHz primary oscillator crystal within 1 cm of the OSC1/OSC2 pins with a guarded ground ring to meet USB electrical compliance. Always enable JTAG/ICSP debugging pads even on production boards to allow field firmware recovery.
This page synthesizes distributor pricing, drop-in 64-pin TQFP alternatives, and practical design notes (PPS routing, USB layout, CTMU touch) that the manufacturer datasheet alone does not provide, giving procurement and design engineers a single reference for evaluation and second sourcing.
Drop-in alternatives for PIC32MX470F512HT-V/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 PIC32MX470F512HT-V/PT (same form factor and footprint) — differing in Package, ADC, Maximum CPU Frequency, USB, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX470F512HT-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX470F512HT-120/PT
✅ Drop-In✓ In Stock
$5.55 / Unit
View Datasheet →PIC32MX470F512H-I/MR
✅ Drop-In✓ In Stock
$5.08 / Unit
View Datasheet →PIC32MX450F256HT-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC32MX460F512L-80V/PT
✅ Drop-In✓ In Stock
$9.8 / Unit
View Datasheet →PIC32MX370F512HT-V/PT
✅ Drop-In✓ In Stock
$5.65 / Unit
View Datasheet →PIC32MX450F256H-V/PT
✅ Drop-In✓ In Stock
$4.78 / Unit
View Datasheet →PIC32MX470F512HT-V/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Frequency | 80 MHz (this part); family supports up to 120 MHz |
| Performance | 1.56 DMIPS/MHz (up to 150 DMIPS family) |
| Program Flash Memory | 512 KB |
| Data SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +105 C (extended) |
| USB | USB 2.0 Full-Speed OTG controller (on-chip transceiver) |
| ADC | 10-bit, up to 28 channels |
| PWM Channels | 5 |
| Timers / Counters | 5 (16-bit) |
| UART Modules | 4 |
| I2C Modules | 2 |
| SPI Modules | 2 (shared with I2S) |
| I2S Modules | 2 |
| Parallel Master Port (PMP) | Yes (for QVGA TFT graphics) |
| Peripheral Pin Select (PPS) | Yes - remappable digital peripherals |
| CTMU (Charge Time Measurement Unit) | Yes (for capacitive touch / current measurement) |
| Package | 64-pin TQFP (PT) 10x10 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MX470F512HT-V/PT Pin Configuration
| Pin 1 | RPB15/AN15/OCFB/PMPDO/CN12/RB15 — PPS remappable I/O / 10-bit ADC / PMP data |
| Pin 2 | VDD — Supply voltage (2.3V to 3.6V) |
| Pin 3 | RPB14/AN14/CN11/RB14 — PPS remappable I/O / 10-bit ADC |
| Pin 4 | VSS — Ground |
| Pin 5 | RPB13/AN13/CN10/RB13 — PPS remappable I/O / 10-bit ADC |
| Pin 6 | PGED4/ASDA4/RPB12 — Programming/debug data line / PPS I/O |
| Pin 7 | PGEC4/ASCL4/RPB11 — Programming/debug clock line / PPS I/O |
| Pin 8 | PGED3/ASDA3/RPB10 — Programming/debug data line / PPS I/O |
| Pin 9 | PGEC3/ASCL3/RPB9 — Programming/debug clock line / PPS I/O |
| Pin 10 | RPB8/CN8/RB8 — PPS remappable I/O |
| Pin 11 | RPB7/PMPRD/CN7/RB7 — PPS I/O / PMP read strobe |
| Pin 12 | VSS — Ground |
| Pin 13 | VDD — Supply voltage (2.3V to 3.6V) |
| Pin 14 | RPB6/PMD0/CN6/RB6 — PPS I/O / PMP data 0 |
| Pin 15 | RPB5/PMD1/CN5/RB5 — PPS I/O / PMP data 1 |
| Pin 16 | RPB4/PMD2/CN4/RB4 — PPS I/O / PMP data 2 |
| Pin 17 | RPB3/PMD3/CN3/RB3 — PPS I/O / PMP data 3 |
| Pin 18 | RPB2/PMD4/CN2/RB2 — PPS I/O / PMP data 4 |
| Pin 19 | RPB1/PMD5/CN1/RB1 — PPS I/O / PMP data 5 |
| Pin 20 | VSS — Ground |
| Pin 21 | VDD — Supply voltage |
| Pin 22 | RPB0/PMD6/RB0 — PPS I/O / PMP data 6 |
| Pin 23 | RA15/PMD7/RA15 — PPS I/O / PMP data 7 |
| Pin 24 | PGED2/AN0/CN0/RPA0 — Programming data / ADC0 |
| Pin 25 | PGEC2/AN1/CN1/RPA1 — Programming clock / ADC1 |
| Pin 26 | AN2/C2IN-/RPB2/CTED2 — ADC2 / comparator input |
| Pin 27 | AN3/C2IN+/RPB3/CTED1 — ADC3 / comparator input |
| Pin 28 | AN4/C1IN-/RPB4 — ADC4 / comparator input |
| Pin 29 | AN5/C1IN+/RPB5 — ADC5 / comparator input |
| Pin 30 | VSS — Ground |
| Pin 31 | VDD — Supply voltage |
| Pin 32 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock |
| Pin 33 | OSC2/CLKO/RC15 — Crystal oscillator output |
| Pin 34 | VSS — Ground (OSC ground) |
| Pin 35 | SOSCI/RPC13/RC13 — Secondary oscillator (RTC) input |
| Pin 36 | SOSCO/RPC14/T1CK/RC14 — Secondary oscillator (RTC) output / Timer1 clock |
| Pin 37 | RPB6/PMD0/RPB6 — PPS I/O / PMP data |
| Pin 38 | RPB7/RPB7 — PPS I/O |
| Pin 39 | D-/RG2 — USB OTG data minus (with on-chip transceiver) |
| Pin 40 | D+/RG3 — USB OTG data plus (with on-chip transceiver) |
| Pin 41 | VBUS — USB VBUS detect (5V tolerant) |
| Pin 42 | VUSB3V3 — USB internal 3.3V regulator output (bypass with cap) |
| Pin 43 | RPG6/SDO2/RG6 — PPS I/O / SPI 2 data out |
| Pin 44 | RPG7/SDI2/RG7 — PPS I/O / SPI 2 data in |
| Pin 45 | RPG8/SCK2/RG8 — PPS I/O / SPI 2 clock |
| Pin 46 | RPG9/SS2/RG9 — PPS I/O / SPI 2 slave select |
| Pin 47 | RPG0/PMALL/RG0 — PPS I/O / PMP address latch low |
| Pin 48 | RPG1/PMA1/RG1 — PPS I/O / PMP address 1 |
| Pin 49 | RPG2/PMA2/RG2 — PPS I/O / PMP address 2 |
| Pin 50 | VDD — Supply voltage |
| Pin 51 | VSS — Ground |
| Pin 52 | RPG3/PMA3/RG3 — PPS I/O / PMP address 3 |
| Pin 53 | RPG4/PMWR/RG4 — PPS I/O / PMP write strobe |
| Pin 54 | RPG5/PMCS1/RG5 — PPS I/O / PMP chip select 1 |
| Pin 55 | TRCLK/RPD8/RD8 — Trace clock / PPS I/O |
| Pin 56 | TRD0/RPD9/RD9 — Trace data 0 / PPS I/O |
| Pin 57 | TRD1/RPD10/RD10 — Trace data 1 / PPS I/O |
| Pin 58 | TRD2/RPD11/RD11 — Trace data 2 / PPS I/O |
| Pin 59 | TRD3/RPD12/RD12 — Trace data 3 / PPS I/O |
| Pin 60 | RTCC/RPD13/RD13 — RTCC output / PPS I/O |
| Pin 61 | CVREF-/AN15/RPD14/RD14 — Comparator reference / ADC15 |
| Pin 62 | CVREF+/AN16/RPD15/RD15 — Comparator reference / ADC16 |
| Pin 63 | PGED1/AN17/RPF0 — Programming data / ADC17 |
| Pin 64 | PGEC1/AN18/RPF1 — Programming clock / ADC18 |
Typical Applications
PIC32MX470F512HT-V/PT is suitable for 6 applications: USB Human Interface Devices (HID), QVGA TFT LCD Touch Panels, Industrial Control Panels, Audio Playback with I2S Codecs, Home Automation Controllers, USB Barcode / Label Printers.
USB Human Interface Devices (HID)
The PIC32MX470F512HT-V/PT's integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver makes it a natural fit for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The 512KB Flash comfortably accommodates the full Microchip Harmony USB stack with HID class driver, plus application-specific report logic and firmware update bootloader. With 80MHz core clock and 4 DMA channels, the MCU handles polled USB reports without CPU stalls, and the 128KB SRAM allows large HID report buffers and ring descriptors. PPS remaps USB D+/D- pins where needed. Engineers typically pair this MCU with a single 12.000 MHz crystal, a USB connector, and ESD protection diodes; the BOM stays under $1 in volume.
Recommended
QVGA TFT LCD Touch Panels
The integrated Parallel Master Port (PMP), Charge Time Measurement Unit (CTMU), and 28-channel 10-bit ADC make the PIC32MX470F512HT-V/PT a self-contained QVGA TFT + capacitive-touch panel controller. PMP drives 8-bit parallel TFT data at up to 80MHz, while CTMU + ADC implements up to 28 touch buttons or a projected-capacive scan matrix without an external touch IC. The 128KB SRAM holds a QVGA (320x240) 16-bit frame buffer, freeing the developer from external SDRAM. Designers leverage Microchip's Harmony HMI framework for objects, fonts, and touch gestures. Typical implementation pairs the MCU with an ILI9341 TFT driver and an ITO touch sensor layer - PCB area under 25x25 mm.
Recommended
Industrial Control Panels
With an operating temperature range of -40C to +105C, 28 ADC channels, 5 PWM outputs, and 4 UART modules, the PIC32MX470F512HT-V/PT is purpose-built for industrial control panels driving motors, valves, and sensors. The 512KB Flash holds a full Modbus RTU/TCP stack plus PLC-style ladder logic interpreter, while 128KB SRAM supports process-variable history buffers. Peripheral Pin Select (PPS) allows UART/I2C/SPI to be routed to any I/O pin, simplifying PCB layout for densely-packed terminal blocks. Engineers frequently pair this MCU with isolated RS-485 transceivers, opto-coupled PWM drivers, and 4-20mA current-loop DACs to deliver IEC 61131-compatible control.
Recommended
Audio Playback with I2S Codecs
The two integrated I2S modules enable the PIC32MX470F512HT-V/PT to drive external audio DACs/ADCs at up to 192 kHz sample rates. The 512KB Flash accommodates MP3/AAC decoder libraries plus USB MSC playback stack, while 128KB SRAM provides a stereo audio buffer of ~2 seconds at 48 kHz 16-bit. Combined with the USB 2.0 Full-Speed OTG, the MCU reads MP3 files from a USB flash drive or SD card and streams to an I2S DAC. PPS lets designers route I2S bit/word-clock to convenient pins. Typical designs include portable speakers, headphone amplifiers, and home-audio streaming nodes.
Recommended
Home Automation Controllers
Home automation gateways benefit from the PIC32MX470F512HT-V/PT's combination of USB OTG (for Wi-Fi/BLE dongles), 4 UARTs (for RS-485 lighting/curtain buses), 2 I2C (for sensors), and 5 PWM channels (for LED dimmers). The 512KB Flash comfortably stores TLS 1.2 client stacks, MQTT brokers, and OTA firmware loaders, while 128KB RAM supports JSON parsing and table-based scheduler logic. The -40C to +105C operating range ensures reliability in unheated attics and outdoor enclosures. Engineers typically run a Harmony-based TCP/IP stack over Wi-Fi and use the on-chip CTMU for capacitive wall switches.
Recommended
USB Barcode / Label Printers
USB-connected barcode and label printers use the PIC32MX470F512HT-V/PT as a single-chip solution: USB OTG handles host/device communication, UARTs drive thermal print-head stepper motors, PWMs control paper feed, and the PMP routes data to a status LCD. 512KB Flash stores bitmap font tables and ZPL/EPL interpreter logic; 128KB SRAM provides a print buffer for typical 4-inch label widths. With PPS, designers reclaim pins freed by the on-chip peripherals. The 80MHz clock sustains sustained print rates of 50-100 mm/s without overdraw.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX470F512HT-V/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX470F512HT-I/PT | PIC32MX470F512HT-120/PT | PIC32MX470F512H-I/MR | PIC32MX450F256HT-I/PT | PIC32MX460F512L-80V/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin QFN (MR) - DIFFERENT | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same |
| Core | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit |
| Max Clock | 80 MHz | 80 MHz | 120 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed (Host/Device) |
| Operating Temperature | -40C to +105C | -40C to +85C (industrial) | -40C to +105C | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +105C |
| Supply Voltage | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V |
Key Differentiators
- Largest memory configuration in the PIC32MX4xx subfamily (vs PIC32MX450F256HT-I/PT)
- Integrated USB OTG with on-chip transceiver (vs PIC32MX460F512L-80V/PT)
- CTMU and PMP on-chip for HMI (vs PIC32MX270F256B-I/SP)
Design Notes
The PIC32MX470F512HT-V/PT has separate analog (VDD) and digital (VDD) rails that should be decoupled with at least one 100nF ceramic capacitor per pin pair, placed within 5 mm of each VDD pin. A bulk 4.7uF to 10uF tantalum or ceramic cap on the main 3.3V rail handles USB OTG inrush transients. The USB-internal 3.3V LDO (VUSB3V3, pin 42) requires a 4.7uF bypass cap even when USB is unused, otherwise the MCU may fail to start up cleanly. The core draws approximately 65 mA active at 80 MHz / 3.3 V.
Place the 12 MHz primary oscillator crystal within 1 cm of pins 32-33 (OSC1/OSC2), with a ground plane guard ring and short traces to minimize EMI and clock jitter. For USB designs, route D+ (pin 40) and D- (pin 39) as a 90-ohm differential pair of equal length, with no stubs, and avoid routing near noisy PWM traces. The 64-pin TQFP has an exposed thermal pad on the bottom that should be soldered to a 10x10 mm copper pour on the PCB for thermal relief at 80 MHz.
Do not exceed 3.6V on any I/O pin - the absolute maximum is 4.0V but reliability suffers above 3.6V. The VBUS pin (pin 41) is 5V tolerant and must be tied to VSS through a divider if USB is unused, otherwise floating VBUS may falsely trigger USB attach. PPS mapping must be unlocked before configuration; use the CFGCON unlock sequence from the datasheet. Always declare __builtin_disable_interrupts() around oscillator configuration changes to avoid spurious interrupts during PLL lock.
When driving long cables (e.g. RS-485) from the UARTs, add series 33 ohm damping resistors near the MCU TX pins to suppress ringing. The 80 MHz core generates harmonics in the 240-480 MHz band; place a small ferrite bead on the 3.3V supply if EMC compliance is needed. For PMP graphics, keep the parallel bus traces matched to within 5 mm and length-matched clock-to-data skew to within 0.5 ns. Use a 22 ohm series resistor on PMP data lines for backplane reflections.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive designs, use the AEC-Q100-qualified PIC32MX variants (separate part numbers). Halogen-free per Microchip Green/Pb-Free material declaration.
