PIC32MX470F512LT-V/TL - 80MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX470F512LT-V/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $8.92 | $89.20 |
| 100 | $7.85 | $785.00 |
| 500 | $6.95 | $3,475.00 |
| 1,000 | $6.1 | $6,100.00 |
PIC32MX470F512LT-V/TL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a range of analog and digital peripherals into a single IC. The PIC32MX470 sits in the hierarchy: 32-bit MCU -> MIPS M4K core architecture -> PIC32MX family -> PIC32MX4 sub-family -> Power Management + USB + HMI class. By integrating USB 2.0 Full-Speed OTG, up to 5 timers, 2x SPI/I2S, 2x I2C, and a 10-bit 1 Msps ADC with CTMU, the part eliminates the need for many companion ICs that competing MCUs require.
Key features include 120 MHz maximum core clock, USB 2.0 Full-Speed On-The-Go with integrated transceiver, two I2S/SPIs for audio, Parallel Master Port (PMP) for graphics or external memory, RTCC with calendar mode, CTMU for capacitive touch, and 5 16-bit timers plus 5 input-capture/PWM modules. The 124-pin VTLA package exposes the full set of peripheral I/O, USB pins, and PMP data/address bus.
Architecturally the M4K core is a 5-stage pipeline Harvard implementation with hardware multiply/divide and DSP-like MAC support, executing most instructions in one cycle. Microchip's Harmony and MPLAB XC32 toolchains provide free GCC-based C/C++ development. Compared with Cortex-M3 parts, the M4K delivers strong deterministic interrupt latency and straightforward peripheral integration.
Typical applications include USB HID/audio class devices, HMI touch panels with graphics, embedded audio players, industrial control front-ends, and low-cost dataloggers that need USB connectivity. The CTMU and 10-bit ADC combination supports up to 16-channel capacitive touch sensing without external components.
When designing with this MCU, allocate the 128 KB SRAM carefully because USB, audio buffers, and stacks each consume significant RAM. Decouple VDDCORE and VDDIO with 100 nF + 4.7 uF ceramics placed within 5 mm of the supply pins. The VTLA exposed pad must be soldered to the central ground pour for thermal dissipation.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX4 family, and practical design notes that complement the manufacturer datasheet with information engineers actually need for BOM decisions.
Drop-in alternatives for PIC32MX470F512LT-V/TL — 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 PIC32MX470F512LT-V/TL (same form factor and footprint) — differing in ADC, Package, USB, Analog Comparators, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX470F512L-V/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX370F512LT-V/TL
✅ Drop-In✓ In Stock
$4.32 / Unit
View Datasheet →PIC32MX450F256LT-V/TL
✅ Drop-In✓ In Stock
$4.39 / Unit
View Datasheet →PIC32MX270F512LT-V/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX470F512LT-I/PT
✅ Drop-In✓ In Stock
$5.84 / Unit
View Datasheet →PIC32MX470F512LT-V/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Maximum Core Frequency | 120 MHz |
| Operating Frequency (this part) | 80 MHz |
| Program Memory (Flash) | 512 KB |
| Data Memory (SRAM) | 128 KB |
| Data EEPROM | Not present |
| Pin Count | 124 |
| Package | VTLA-124 (9x9 mm) |
| Operating Temperature Range | -40C to +105C |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| USB | USB 2.0 Full-Speed OTG with integrated transceiver |
| ADC | 10-bit, up to 1 Msps, up to 28 channels |
| CTMU (Capacitive Touch) | Yes |
| Parallel Master Port (PMP) | Yes |
| RTCC | Yes (Real-Time Clock Calendar) |
| I2C / SPI / I2S | 2x I2C, 2x SPI/I2S |
| Timers | 5x 16-bit, 5x Input Capture/Output Compare/PWM |
| DMA | 8-channel |
| DMIPS | 150 (at 120 MHz) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC32MX470F512LT-V/TL Pin Configuration
| Pin 1 | RP0 — Remappable peripheral I/O |
| Pin 2 | RP1 — Remappable peripheral I/O |
| Pin 3 | RP2 — Remappable peripheral I/O |
| Pin 4 | RP3 — Remappable peripheral I/O |
| Pin 5 | RP4 — Remappable peripheral I/O |
| Pin 6 | VDD — I/O supply voltage (2.3V-3.6V) |
| Pin 7 | VSS — I/O ground reference |
| Pin 8 | RP5 — Remappable peripheral I/O |
| Pin 9 | RP6 — Remappable peripheral I/O |
| Pin 10 | RP7 — Remappable peripheral I/O |
| Pin 11 | RP8 — Remappable peripheral I/O |
| Pin 12 | RP9 — Remappable peripheral I/O |
| Pin 13 | VDDCORE — Internal regulator output (1.8V-2.5V) - decouple with 10uF+100nF |
| Pin 14 | RP10 — Remappable peripheral I/O |
| Pin 15 | RP11 — Remappable peripheral I/O |
| Pin 16 | OSC1 — Primary oscillator input |
| Pin 17 | OSC2 — Primary oscillator output |
| Pin 18 | VDD — I/O supply voltage |
| Pin 19 | VSS — I/O ground reference |
| Pin 20 | RP12 — Remappable peripheral I/O |
| Pin 21 | RP13 — Remappable peripheral I/O |
| Pin 22 | RP14 — Remappable peripheral I/O |
| Pin 23 | RP15 — Remappable peripheral I/O |
| Pin 24 | RP16 — Remappable peripheral I/O |
| Pin 25 | RP17 — Remappable peripheral I/O |
| Pin 26 | SOCI — Secondary oscillator input (32.768 kHz) |
| Pin 27 | SOCO — Secondary oscillator output (32.768 kHz) |
| Pin 28 | RP18 — Remappable peripheral I/O |
| Pin 29 | RP19 — Remappable peripheral I/O |
| Pin 30 | RP20 — Remappable peripheral I/O |
| Pin 31 | RP21 — Remappable peripheral I/O |
| Pin 32 | VDD — I/O supply voltage |
| Pin 33 | VSS — I/O ground reference |
| Pin 34 | RP22 — Remappable peripheral I/O |
| Pin 35 | RP23 — Remappable peripheral I/O |
| Pin 36 | RP24 — Remappable peripheral I/O |
| Pin 37 | RP25 — Remappable peripheral I/O |
| Pin 38 | RP26 — Remappable peripheral I/O |
| Pin 39 | RP27 — Remappable peripheral I/O |
| Pin 40 | RP28 — Remappable peripheral I/O |
| Pin 41 | VDDCORE — Internal regulator output - decouple |
| Pin 42 | RP29 — Remappable peripheral I/O |
| Pin 43 | RP30 — Remappable peripheral I/O |
| Pin 44 | RP31 — Remappable peripheral I/O |
| Pin 45 | VSS — I/O ground reference |
| Pin 46 | VDD — I/O supply voltage |
| Pin 47 | PMA0 — Parallel Master Port address bit |
| Pin 48 | PMA1 — Parallel Master Port address bit |
| Pin 49 | PMA2 — Parallel Master Port address bit |
| Pin 50 | PMA3 — Parallel Master Port address bit |
| Pin 51 | PMA4 — Parallel Master Port address bit |
| Pin 52 | PMA5 — Parallel Master Port address bit |
| Pin 53 | PMA6 — Parallel Master Port address bit |
| Pin 54 | PMA7 — Parallel Master Port address bit |
| Pin 55 | PMA8 — Parallel Master Port address bit |
| Pin 56 | PMA9 — Parallel Master Port address bit |
| Pin 57 | PMA10 — Parallel Master Port address bit |
| Pin 58 | PMD0 — Parallel Master Port data bit 0 |
| Pin 59 | PMD1 — Parallel Master Port data bit 1 |
| Pin 60 | PMD2 — Parallel Master Port data bit 2 |
| Pin 61 | PMD3 — Parallel Master Port data bit 3 |
| Pin 62 | PMD4 — Parallel Master Port data bit 4 |
| Pin 63 | PMD5 — Parallel Master Port data bit 5 |
| Pin 64 | PMD6 — Parallel Master Port data bit 6 |
| Pin 65 | PMD7 — Parallel Master Port data bit 7 |
| Pin 66 | PMD8 — Parallel Master Port data bit 8 |
| Pin 67 | PMD9 — Parallel Master Port data bit 9 |
| Pin 68 | PMD10 — Parallel Master Port data bit 10 |
| Pin 69 | PMD11 — Parallel Master Port data bit 11 |
| Pin 70 | PMD12 — Parallel Master Port data bit 12 |
| Pin 71 | PMD13 — Parallel Master Port data bit 13 |
| Pin 72 | PMD14 — Parallel Master Port data bit 14 |
| Pin 73 | PMD15 — Parallel Master Port data bit 15 |
| Pin 74 | PMRD — Parallel Master Port read strobe |
| Pin 75 | PMWR — Parallel Master Port write strobe |
| Pin 76 | PMA11 — Parallel Master Port address bit 11 |
| Pin 77 | PMA12 — Parallel Master Port address bit 12 |
| Pin 78 | PMA13 — Parallel Master Port address bit 13 |
| Pin 79 | PMA14 — Parallel Master Port address bit 14 |
| Pin 80 | PMALL — PMP address latch (low byte) |
| Pin 81 | PMALH — PMP address latch (high byte) |
| Pin 82 | PMCS1 — PMP chip select 1 |
| Pin 83 | PMCS2 — PMP chip select 2 |
| Pin 84 | VDD — I/O supply voltage |
| Pin 85 | VSS — I/O ground reference |
| Pin 86 | TRCLK — Trace clock output |
| Pin 87 | TRD0 — Trace data 0 |
| Pin 88 | TRD1 — Trace data 1 |
| Pin 89 | TRD2 — Trace data 2 |
| Pin 90 | TRD3 — Trace data 3 |
| Pin 91 | D- — USB D- differential data |
| Pin 92 | D+ — USB D+ differential data |
| Pin 93 | VBUS — USB VBUS sense |
| Pin 94 | VUSB — USB internal regulator output - decouple with 1uF |
| Pin 95 | AN0 — ADC analog input 0 |
| Pin 96 | AN1 — ADC analog input 1 |
| Pin 97 | AN2 — ADC analog input 2 |
| Pin 98 | AN3 — ADC analog input 3 |
| Pin 99 | AN4 — ADC analog input 4 |
| Pin 100 | AN5 — ADC analog input 5 |
| Pin 101 | AN6 — ADC analog input 6 |
| Pin 102 | AN7 — ADC analog input 7 |
| Pin 103 | AVDD — Analog supply voltage |
| Pin 104 | AVSS — Analog ground reference |
| Pin 105 | AN8 — ADC analog input 8 |
| Pin 106 | AN9 — ADC analog input 9 |
| Pin 107 | AN10 — ADC analog input 10 |
| Pin 108 | AN11 — ADC analog input 11 |
| Pin 109 | AN12 — ADC analog input 12 |
| Pin 110 | AN13 — ADC analog input 13 |
| Pin 111 | AN14 — ADC analog input 14 |
| Pin 112 | AN15 — ADC analog input 15 |
| Pin 113 | VDD — I/O supply voltage |
| Pin 114 | VSS — I/O ground reference |
| Pin 115 | MCLR — Master clear (reset) - pull to VDD via 10k |
| Pin 116 | TMS — JTAG test mode select |
| Pin 117 | TCK — JTAG test clock |
| Pin 118 | TDO — JTAG test data out |
| Pin 119 | TDI — JTAG test data in |
| Pin 120 | PGED1 — Programming data line 1 |
| Pin 121 | PGEC1 — Programming clock line 1 |
| Pin 122 | PGED2 — Programming data line 2 |
| Pin 123 | PGEC2 — Programming clock line 2 |
| Pin 124 | NC — Not connected (per datasheet - lead side populated) |
Typical Applications
PIC32MX470F512LT-V/TL is suitable for 6 applications: USB HID and Audio Class Devices, Capacitive Touch HMI Panels, Industrial Control Front-Ends, Embedded Audio Players and Recorders, Low-Cost Dataloggers with USB Output, Graphics-Based Consumer Appliances.
USB HID and Audio Class Devices
The PIC32MX470F512LT-V/TL is well-suited to USB HID and USB audio class peripherals thanks to its on-chip USB 2.0 Full-Speed OTG transceiver and dual I2S ports. The 80 MHz core provides roughly 70 MIPS for audio sample packing, descriptor handling, and protocol stack execution. The 128 KB SRAM hosts a USB stack plus audio buffering for I2S streaming at 48 kHz / 16-bit. Designers should add an external 12 MHz crystal because the USB module derives the 48 MHz bus clock from the PLL, and route D+/D- to a dedicated ESD array. Companion ICs include the TI TPD2E001 for ESD and a Cirrus CS43L22 or TI AIC23B for I2S DAC.
Recommended
Capacitive Touch HMI Panels
The PIC32MX470F512LT-V/TL integrates the CTMU module that pairs with the 10-bit ADC to implement up to 16 channels of touch button or slider sensing without external analog components. With 128 KB SRAM the MCU can host a touch-scanning scheduler plus an LCD menu structure, while the PMP (Parallel Master Port) drives common TFTs at QVGA resolution. The 80 MHz core supports 100 Hz touch scan latency even with 16 channels active. Typical designs use a 4.7 uF + 100 nF decoupling network on each VDD rail and route CTMU charge pins with guarded traces to suppress moisture false triggers.
Recommended
Industrial Control Front-Ends
Industrial PLCs, sensor-aggregator boards, and motor-control command interfaces benefit from the PIC32MX470F512LT-V/TL's -40C to +105C industrial rating, 5 UART-capable 16-bit timers, and dual I2C busses. The 512 KB Flash supports a real-time OS like FreeRTOS plus application code, and the 8-channel DMA offloads cyclic ADC scan from the CPU. Designers use the RTCC module for time-stamped event logging and pair the part with external RS-485 transceivers like the MAX3485. Industrial EMC compliance requires common-mode chokes on the UART lines and a watchdog timer enabled in firmware.
Recommended
Embedded Audio Players and Recorders
The PIC32MX470F512LT-V/TL handles low-power WAV/MP3 playback through its dual I2S interfaces, DMA-driven sample transfer, and 128 KB SRAM that buffers multiple audio frames. The 80 MHz MIPS M4K core decodes compressed audio in software using libraries such as the Helix MP3 decoder. Designers pair the MCU with an I2S DAC and an external SPI Flash or SD card for storage. USB OTG mode lets the device appear as a mass-storage disk for drag-and-drop audio loading. Estimated: an 80 MHz core delivers ~55 MHz spare MIPS even with simultaneous file system and DAC servicing.
Recommended
Low-Cost Dataloggers with USB Output
Battery or USB-powered dataloggers use the PIC32MX470F512LT-V/TL to sample sensors via the 10-bit ADC at up to 1 Msps, buffer results in 128 KB SRAM, and write to an external SPI Flash for non-volatile storage. The USB OTG port is used for file offload as well as charging, eliminating a separate USB-to-UART bridge. With 512 KB Flash the MCU runs a real-time logger scheduler plus USB stack. RTCC provides accurate timestamps even with the MCU sleeping, and the CTMU can measure humidity sensor capacitance directly. Estimated: 1 Msps ADC requires the ADC clock at 28 MHz APB divided from the system PLL.
Recommended
Graphics-Based Consumer Appliances
Appliances with TFT/LCD displays such as coffee makers, smart thermostats, and small white goods use the PMP (Parallel Master Port) of the PIC32MX470F512LT-V/TL to drive QVGA panels and the CTMU for capacitive buttons. The 80 MHz MIPS M4K core renders 16-bit color frame buffers from a small sprite library. The on-chip DMA moves frame data to PMP without CPU intervention. The 512 KB Flash holds fonts, menus, and a lightweight UI, while the 128 KB SRAM can host one full QVGA frame buffer for double-buffered animation. The VTLA package exposes PMP data, address, and control pins on dedicated functions.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX470F512LT-V/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX470F512L-V/TL | PIC32MX370F512LT-V/TL | PIC32MX450F256LT-V/TL | PIC32MX270F512LT-V/TL | PIC32MX470F512LT-I/PT |
|---|---|---|---|---|---|---|
| Package | VTLA-124 (9x9 mm) | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | TQFP-121 - different (PCB rework required) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 32 KB (-75%) | 128 KB | 128 KB |
| USB 2.0 OTG | Yes | Yes | Yes | Yes | Yes | Yes |
| CTMU (Capacitive Touch) | Yes | Yes | No | Yes | No | Yes |
| Temperature Range | -40C to +105C (industrial) | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C |
Key Differentiators
- Highest Flash + SRAM density in PIC32MX4 family at 80 MHz (vs PIC32MX450F256LT-V/TL)
- Adds CTMU capacitive-touch hardware absent in 370 and 270 (vs PIC32MX370F512LT-V/TL)
- 80 MHz core clock vs 50 MHz in lower-cost 270 (vs PIC32MX270F512LT-V/TL)
Design Notes
Decouple VDDCORE and VDDIO with both bulk and high-frequency ceramic capacitors placed within 5 mm of the pins. Microchip recommends 10 uF bulk plus 100 nF ceramic for VDDCORE and 1 uF plus 100 nF for each VDDIO pin pair. The internal regulator's 1.8 V output requires a stable load for proper USB PLL locking, so avoid heavy transient loads on VDDCORE. Add a 4.7 uF tantalum or ceramic reservoir capacitor if the board is hot-plugged via USB.
The VTLA-124 package has an exposed central thermal pad that MUST be soldered to the PCB ground pour for both electrical ground and thermal dissipation. At 80 MHz core clock the device typically draws 50-70 mA active and 30-50 uA sleep; the thermal pad keeps junction temperature rise to a few degrees above ambient. Use at least 4 thermal vias in the central pad to conduct heat to the inner ground plane, especially in industrial -40C to +105C designs.
Route the 12 MHz primary oscillator trace in symmetric 5 mm length-matched traces to OSC1/OSC2 and ground the crystal can to the analog ground pour. Keep high-speed USB D+/D- traces 90 ohm differential with no stubs, and place a 90 ohm common-mode choke within 5 mm of the connector. JTAG TMS/TCK/TDO/TDI traces should be less than 50 mm or buffered to avoid debug-port signal integrity issues.
Do not leave the MCLR pin floating - use a 10 kohm pull-up to VDD or the device will randomly reset. Set configuration bits to enable the JTAG port disabled in production firmware if security matters, and never share the JTAG pins with critical peripheral functions without a firmware strategy to recover. The CTMU charge pins require a firmware calibration step before each scan; failing to do so produces severe touch sensitivity drift with temperature.
USB D+/D- traces must maintain 90 ohm differential impedance and be length-matched to within 150 mil. Add an ESD protection array such as TI TPD2E001 or ST USBLC6-2SC6 near the connector. The PMP data bus (PMD0-PMD15) and strobe signals should be length-matched within 1 inch when driving QVGA TFTs at >20 MHz PMP clock to avoid display artifacts.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this part is industrial-grade, not automotive-grade. Lead-free and halogen-free packaging standard.
