PIC32MX470F512LT-120/PF - 120MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX470F512LT-120/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $8.1 | $81.00 |
| 100 | $7.25 | $725.00 |
| 500 | $6.55 | $3,275.00 |
| 1,000 | $5.9 | $5,900.00 |
PIC32MX470F512LT-120/PF Overview
Background Knowledge - what is a 32-bit MCU? A 32-bit microcontroller is a single-chip processor with a 32-bit data path, registers, and ALU, providing higher throughput, larger address space, and richer peripheral integration than 8-bit or 16-bit alternatives. Within the broader semiconductor taxonomy, PIC32MX devices are flash-based general-purpose MCUs that sit between 16-bit dsPIC and 32-bit SAM families. They are commonly deployed where an 8-bit MCU lacks headroom but a full application processor is unnecessary.
Key features of the PIC32MX470F512LT-120/PF include a 5-stage pipelined MIPS32 M4K core with MIPS16e code compression (up to 40% smaller code), a 10-bit ADC with up to 28 analog input channels, two comparators, two I2C and two SPI/I2S ports, four UART modules, USB 2.0 full-speed On-The-Go (OTG), five PWM channels, two DMA channels, a 16-bit Parallel Master Port (PMP/EPMP) for graphics or external memory, CTMU for capacitive touch, RTCC with calendar, and Idle/Sleep low-power modes. It operates from 2.3 V to 3.6 V across the -40 C to +105 C industrial temperature range.
Architecture and process - the device uses a 5-stage pipeline that allows single-cycle Flash access with prefetch, a multi-vectored interrupt controller, and an integrated 8 MHz FRC oscillator with PLL options up to 120 MHz. The peripheral set is accessed via separate APB and AHB-style buses, with DMA offload for ADC, UART, SPI, and I2C transactions. Code is executed directly from Flash with a prefetch cache, eliminating external memory for most embedded GUI and audio applications.
Typical applications include industrial HMI with TFT-LCD panels, USB peripherals (HID, CDC, mass storage), audio processing up to MP3/AAC decode, capacitive touch keypads, IoT edge nodes with USB debugging, and graphical control panels on appliances and instrumentation. The combination of USB OTG and PMP graphics makes this MCU a popular choice for low-cost graphical HMI front panels.
When designing with the PIC32MX470F512LT-120/PF, place decoupling capacitors (100 nF + bulk) close to every VDD/VSS pair, route the 12 MHz crystal traces symmetrically with grounded guard, and keep the USB DP/DM differential pair length-matched within 150 mil. The PMP data bus should be series-terminated if the panel cable exceeds 50 mm. MPLAB X IDE plus XC32 compiler provides a free toolchain.
This page consolidates pricing tiers, drop-in PIC32MX alternatives, and design notes not found in the manufacturer datasheet to accelerate your design-in.
Drop-in alternatives for PIC32MX470F512LT-120/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 PIC32MX470F512LT-120/PF (same form factor and footprint) — differing in Package, ADC, Operating Temperature Range, USB, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX470F512L-120/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX470F512L-120/PT
✅ Drop-In✓ In Stock
$5.71 / Unit
View Datasheet →PIC32MX470F512LT-120/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX470F512LT-I/PF
✅ Drop-In✓ In Stock
$5.2 / Unit
View Datasheet →PIC32MX370F512LT-120/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX450F256LT-120/PF
✅ Drop-In✓ In Stock
$6.12 / Unit
View Datasheet →PIC32MX470F512LT-120/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 120 MHz |
| DMIPS Performance | 150 DMIPS |
| Program Flash Memory | 512 KB |
| SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +105 C |
| Package | 100-pin TQFP (14x14 mm, 0.4 mm pitch) |
| Mounting Type | Surface Mount |
| Shipping Form | Tape & Reel (T suffix) |
| ADC | 10-bit, up to 28 channels |
| Comparators | 2 |
| UART Modules | 4 |
| SPI / I2S Modules | 2 |
| I2C Modules | 2 |
| USB | USB 2.0 Full-Speed OTG |
| PWM Channels | 5 |
| DMA Channels | 2 |
| Parallel Master Port | PMP/EPMP for graphics or external memory |
| Code Compression | MIPS16e (up to 40% code-size reduction) |
| RoHS Status | Compliant |
PIC32MX470F512LT-120/PF Pin Configuration
| Pin 1 | RP15/RD15 — Remappable I/O / PMP data bit |
| Pin 2 | RP14/RD14 — Remappable I/O / PMP data bit |
| Pin 3 | SDA2/RA2 — I2C2 data or GPIO |
| Pin 4 | SCL2/RA3 — I2C2 clock or GPIO |
| Pin 5 | RA4 — GPIO / OC5 |
| Pin 6 | RA5 — GPIO / Timer |
| Pin 7 | RA6 — GPIO |
| Pin 8 | RA7 — GPIO |
| Pin 9 | RB0 — GPIO / OC1 / CTED1 |
| Pin 10 | RB1 — GPIO / OC2 |
| Pin 11 | RB2 — GPIO / OC3 |
| Pin 12 | TMS/RA0 — JTAG TMS / GPIO |
| Pin 13 | TCK/RA1 — JTAG TCK / GPIO |
| Pin 14 | TDI/RB13 — JTAG TDI / GPIO |
| Pin 15 | TDO/RB12 — JTAG TDO / GPIO |
| Pin 16 | VBUS — USB VBUS detect |
| Pin 17 | VUSB — USB 3.3V LDO output (10 uF bypass required) |
| Pin 18 | D- — USB D- |
| Pin 19 | D+ — USB D+ |
| Pin 20 | VDD — Core supply (decouple 100 nF + bulk) |
| Pin 21 | VSS — Ground |
| Pin 22 | RC1 — GPIO / OC4 |
| Pin 23 | RC2 — GPIO / OC5 |
| Pin 24 | RC3 — GPIO |
| Pin 25 | RC4 — GPIO |
| Pin 26 | VSS — Ground |
| Pin 27 | VDD — I/O supply (2.3-3.6 V) |
| Pin 28 | OSC1/RC12 — Crystal input / external clock |
| Pin 29 | OSC2/RC13 — Crystal output |
| Pin 30 | RC14 — GPIO |
| Pin 31 | RC15 — GPIO |
| Pin 32 | RD0 — Remappable I/O |
| Pin 33 | RD1 — Remappable I/O |
| Pin 34 | RD2 — Remappable I/O |
| Pin 35 | RD3 — Remappable I/O |
| Pin 36 | RD4 — Remappable I/O |
| Pin 37 | RD5 — Remappable I/O |
| Pin 38 | RD6 — Remappable I/O |
| Pin 39 | RD7 — Remappable I/O |
| Pin 40 | RE0 — GPIO / PWM |
| Pin 41 | RE1 — GPIO / PWM |
| Pin 42 | RE2 — GPIO / PWM |
| Pin 43 | RE3 — GPIO |
| Pin 44 | RE4 — GPIO |
| Pin 45 | RE5 — GPIO |
| Pin 46 | RE6 — GPIO |
| Pin 47 | RE7 — GPIO |
| Pin 48 | VSS — Ground |
| Pin 49 | VDD — I/O supply |
| Pin 50 | RF0 — Remappable I/O |
| Pin 51 | RF1 — Remappable I/O |
| Pin 52 | RF2 — Remappable I/O / DAC1 |
| Pin 53 | RF3 — Remappable I/O / DAC2 |
| Pin 54 | RF4 — Remappable I/O |
| Pin 55 | RF5 — Remappable I/O |
| Pin 56 | RG0 — GPIO |
| Pin 57 | RG1 — GPIO |
| Pin 58 | RG2 — GPIO / D+ for USB Host |
| Pin 59 | RG3 — GPIO / D- for USB Host |
| Pin 60 | RG6 — GPIO |
| Pin 61 | RG7 — GPIO |
| Pin 62 | RG8 — GPIO |
| Pin 63 | RG9 — GPIO |
| Pin 64 | VSS — Ground |
| Pin 65 | VDD — I/O supply |
| Pin 66 | RH0 — Remappable I/O |
| Pin 67 | RH1 — Remappable I/O |
| Pin 68 | RH2 — Remappable I/O |
| Pin 69 | RH3 — Remappable I/O |
| Pin 70 | RH4 — Remappable I/O |
| Pin 71 | RH5 — Remappable I/O |
| Pin 72 | RH6 — Remappable I/O |
| Pin 73 | RH7 — Remappable I/O |
| Pin 74 | RH8 — Remappable I/O |
| Pin 75 | RH9 — Remappable I/O |
| Pin 76 | RH10 — Remappable I/O |
| Pin 77 | RH11 — Remappable I/O |
| Pin 78 | RJ0 — GPIO |
| Pin 79 | RJ1 — GPIO |
| Pin 80 | RJ2 — GPIO |
| Pin 81 | RJ3 — GPIO |
| Pin 82 | VSS — Ground |
| Pin 83 | VDD — I/O supply |
| Pin 84 | RK0 — GPIO / PMP data |
| Pin 85 | RK1 — GPIO / PMP data |
| Pin 86 | RK2 — GPIO / PMP data |
| Pin 87 | RK3 — GPIO / PMP data |
| Pin 88 | RK4 — GPIO / PMP data |
| Pin 89 | RK5 — GPIO / PMP data |
| Pin 90 | RK6 — GPIO / PMP data |
| Pin 91 | RK7 — GPIO / PMP data |
| Pin 92 | RL0 — GPIO |
| Pin 93 | RL1 — GPIO |
| Pin 94 | RL2 — GPIO |
| Pin 95 | RL3 — GPIO |
| Pin 96 | SDA1/RA15 — I2C1 data or GPIO |
| Pin 97 | SCL1/RA14 — I2C1 clock or GPIO |
| Pin 98 | MCLR — Master clear reset (pull-up 10 kohm required) |
| Pin 99 | ENVREG — Voltage regulator enable (tie to VDD) |
| Pin 100 | VSS — Ground |
Typical Applications
PIC32MX470F512LT-120/PF is suitable for 6 applications: Industrial HMI with TFT-LCD Graphics, USB Peripherals and HID Devices, Capacitive Touch Keypads, Audio Decoding and Playback, IoT Edge Nodes with USB Debug, Appliance Control Panels.
Industrial HMI with TFT-LCD Graphics
The PIC32MX470F512LT-120/PF is a strong fit for industrial HMI front panels that drive small TFT-LCD displays up to WQVGA (480x272) resolution. Its PMP/EPMP controller can directly interface with most 8080/6800 parallel TFT-LCDs, and the 128 KB SRAM provides enough framebuffer for full-color WQVGA displays. Designers typically route the 16-bit PMP data bus on the top layer with matched traces and add a 33 ohm series-termination resistor per the Microchip PIC32MX reference design.
Recommended
USB Peripherals and HID Devices
The PIC32MX470F512LT-120/PF integrates a USB 2.0 Full-Speed On-The-Go controller with internal transceiver, which is ideal for USB keyboards, mice, custom HID game controllers, CDC serial adapters, and USB mass-storage bridges. The MPLAB Harmony USB stack provides ready-to-use HID, CDC, MSD, and Vendor class drivers. Designers must add 15 kohm pull-down resistors on D+ and D- and a 10 uF bulk on VUSB per the USB 2.0 spec.
Recommended
Capacitive Touch Keypads
The PIC32MX470F512LT-120/PF integrates a CTMU (Charge Time Measurement Unit) hardware block for accurate time-domain capacitive sensing, supporting up to 32 touch buttons or a small matrix touch panel. Combined with the 28-channel 10-bit ADC, designers can build sealed-glass front-panel keypads for appliances, medical instruments, and industrial controls. The MPLAB Harmony Touch library implements projected-capacitive and self-capacitive scanning patterns.
Recommended
Audio Decoding and Playback
The PIC32MX470F512LT-120/PF has 150 DMIPS of compute headroom that is sufficient for software-decoded MP3, AAC-LC, and Ogg Vorbis playback from external SD card or SPI Flash. The two I2S ports support direct connection to audio DACs like the TI PCM5102A or TI PCM1774. Designers typically use DMA to stream audio blocks into the I2S transmit buffer, leaving CPU cycles for UI updates. 128 KB SRAM allows 8 KB buffer for sample-rate conversion plus 16 KB for USB stack and UI.
Recommended
IoT Edge Nodes with USB Debug
The PIC32MX470F512LT-120/PF is well suited for USB-debugged IoT edge nodes that connect to a host PC for firmware update and telemetry log streaming. The USB OTG port can switch between device and host mode, enabling USB-Host-to-Wi-Fi dongle or USB-Host-to-NAND bridges. Combined with the four UART and two I2C, the MCU easily aggregates sensor data from external sensors and ships the payload over USB.
Recommended
Appliance Control Panels
The PIC32MX470F512LT-120/PF runs a graphical UI on a small TFT-LCD and drives motor-control PWM outputs for appliances such as coffee machines, washing machines, and induction cooktops. The five PWM channels can drive MOSFET bridges through gate drivers, while the four UARTs handle sensor and inverter feedback. Industrial -40 C to +105 C temperature grade allows placement near power stages.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX470F512LT-120/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX470F512L-120/PF | PIC32MX470F512LT-120/PT | PIC32MX470F512LT-I/PF | PIC32MX370F512LT-120/PF | PIC32MX450F256LT-120/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14) - same | TQFP-100 (12x12) - PCB pad differs | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same |
| Max CPU Clock | 120 MHz | 120 MHz | 120 MHz | 100 MHz (-20%) | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| USB 2.0 OTG | Yes (FS) | Yes | Yes | Yes | No | Yes |
| CTMU Touch Hardware | Yes | Yes | Yes | Yes | No | Yes |
| Shipping Form | Tape & Reel (-T) | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
| Approx. Unit Price (qty 1000) | $5.90 | $5.90 (tray) | $5.85 (-1%) | $5.70 (-3%) | $5.20 (-12%) | $4.95 (-16%) |
Key Differentiators
- Integrated USB 2.0 OTG with internal PHY (vs PIC32MX370F512LT-120/PF)
- Higher 120 MHz CPU speed grade (vs PIC32MX470F512LT-I/PF)
- Full 512 KB Flash for richer firmware (vs PIC32MX450F256LT-120/PF)
Design Notes
Place one 100 nF ceramic decoupling capacitor on each VDD pin pair (pins 20, 27, 49, 65, 83) within 2 mm of the pin. Add a single 10 uF ceramic bulk capacitor on the VDD rail close to the device. The internal 1.8 V core LDO draws up to 80 mA at full load and requires VDD stable within 50 ms of start-up - sequence MCLR release after VDD > 2.3 V.
USB D+ and D- traces must be routed as a 90 ohm differential pair, length-matched to within 150 mil. The VUSB pin requires a 10 uF ceramic (not tantalum) capacitor per the datasheet; using tantalum will cause USB enumeration failures. The MCLR pin must be pulled up to VDD via 10 kohm and have a 100 nF decoupling cap close to the pin to filter ESD events.
Route the 12 MHz primary crystal traces between OSC1 and OSC2 within 5 mm of the package, length-matched, and surrounded by a grounded guard ring. Keep the crystal traces away from switching power nodes and the PMP data bus. If USB is used, keep the USB D+/D- pair at least 3 mm away from any switching converter edges and surround with a clean ground pour stitched with vias every 50 mm.
The 100-pin TQFP has a junction-to-ambient thermal resistance of approximately 50 C/W with a standard 4-layer JEDEC test board. At maximum 120 MHz CPU clock and 100% peripheral utilization, power dissipation is approximately 0.6 W resulting in a 30 C junction temperature rise above ambient. For closed-enclosure industrial designs, provide a minimum 100 mm^2 copper pad on VDD/VSS to assist heat spreading.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (no automotive-grade variant exists for this part). Lead-free reflow profile per J-STD-020.
