PIC32MX470F512LT-120/PT - 120MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX470F512LT-120/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.45 | $7.45 |
| 10 | $6.78 | $67.80 |
| 100 | $5.92 | $592.00 |
| 500 | $5.21 | $2,605.00 |
| 1,000 | $4.65 | $4,650.00 |
| 3,000 | $4.1 | $12,300.00 |
PIC32MX470F512LT-120/PT Overview
A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit CPU core, program memory (Flash), data memory (SRAM), and a rich set of on-chip peripherals such as timers, communication controllers, and analog blocks. Within the broader hierarchy, MCUs sit under microcontrollers -> embedded processors -> semiconductors. The PIC32MX3/4 family sits at the upper end of the PIC32MX series and offers on-chip USB 2.0 Full-Speed, a 10-bit 1 Msps ADC, two I2S/SPIs, CTMU touch hardware, and RTCC - features aimed at human-machine-interface (HMI) and audio applications.
Key features of this part include 120 MHz core clock with 150 DMIPS performance, 512 KB Flash program memory, 128 KB SRAM, 10/100 Ethernet MAC, two USB 2.0 Full-Speed controllers (one Host/Device/OTG and one Full-Speed Device), a Charge Time Measurement Unit (CTMU) for capacitive touch, an Real-Time Clock Calendar (RTCC), a Parallel Master Port (PMP), and up to five UART/I2C/SPI peripherals. The 100-TQFP package exposes 78 I/O pins and is pin-compatible with most PIC24/dsPIC devices at the same pitch.
The M4K pipeline executes most instructions in a single cycle, delivering 1.25 DMIPS/MHz and supporting MIPS32 Release 2 ISA with DSP ASE for SIMD-style math. Hardware Multiply/Divide accelerates 32x32-bit operations in one cycle, and the dual-bank Flash allows live updates without downtime, useful for bootloader designs.
Typical applications include USB peripherals, capacitive touch HMI panels, audio playback devices with USB or SD-card sources, industrial control front panels with Ethernet connectivity, and low-cost graphics terminals. The combination of USB, Ethernet, and 512 KB Flash is uncommon in this price tier, making the part a frequent choice for connected-embedded products.
When designing with this part, plan pin assignments early because the USB and Ethernet PHYs each require several dedicated pins. Decouple VDD/VUSB with 100 nF ceramic capacitors close to the package, and follow Microchip's recommended 8 MHz crystal layout for the PLL to meet USB jitter specifications.
This page synthesizes distributor pricing, drop-in alternatives from the PIC32MX3/4 family, and practical design notes that complement the manufacturer datasheet.
Drop-in alternatives for PIC32MX470F512LT-120/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 PIC32MX470F512LT-120/PT (same form factor and footprint) — differing in Package, ADC, I/O Pins, Operating Temperature Range, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX470F512L-120/PT
✅ Drop-In✓ In Stock
$5.71 / Unit
View Datasheet →PIC32MX470F512LT-120/PF
✅ Drop-In✓ In Stock
$5.9 / Unit
View Datasheet →PIC32MX470F512L-I/PT
✅ Drop-In✓ In Stock
$6.32 / Unit
View Datasheet →PIC32MX460F512LT-80I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.85 / Unit
View Datasheet →PIC32MX450F256LT-120/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.65 / Unit
View Datasheet →PIC32MX370F512LT-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.75 / Unit
View Datasheet →PIC32MX470F512LT-120/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Width | 32-bit |
| Maximum CPU Speed | 120 MHz (150 DMIPS) |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| I/O Pins | 78 |
| Package | 100-pin TQFP (PT) 12x12 mm |
| Operating Temperature | 0 C to +70 C (commercial) |
| Mounting Type | Surface Mount |
| USB Controllers | 2 (USB 2.0 Full-Speed) |
| Ethernet MAC | 10/100 Mbps |
| ADC | 10-bit, up to 1 Msps |
| CTMU (Touch Hardware) | Yes |
| RTCC | Yes |
| RoHS Status | Compliant |
PIC32MX470F512LT-120/PT 100-pin tqfp (pt) 12x12 mm Pin Configuration Guide
Pin configuration for PIC32MX470F512LT-120/PT (100-pin tqfp (pt) 12x12 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 PIC32MX470F512LT-120/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX470F512LT-120/PT is suitable for 6 applications: USB HID Peripheral Devices, Capacitive Touch HMI Panels, Audio Playback Devices with USB Source, Industrial Ethernet Sensor Nodes, Low-Cost Graphics Terminals, IoT Edge Devices with Cloud Connectivity.
USB HID Peripheral Devices
The PIC32MX470F512LT-120/PT is well matched to USB HID peripherals such as custom keyboards, industrial control panels, and human-interface devices. The two integrated USB 2.0 Full-Speed controllers with on-chip transceivers and dedicated DMA offload the CPU, while 512 KB Flash accommodates HID class drivers plus application firmware. The 120 MHz M4K core sustains the 1 ms USB polling interval with margin for descriptor parsing, report generation, and any concurrent user-interface logic, while 128 KB SRAM holds multiple HID report buffers and stack scratch space.
Recommended
Capacitive Touch HMI Panels
The PIC32MX470F512LT-120/PT's on-chip CTMU (Charge Time Measurement Unit) enables robust capacitive touch sensing without external touch-controller ICs, reducing BOM cost for HMI panels. Combined with the segment-LCD or PMP-driven TFT interface, the same MCU can scan touch sensors, drive the display, and run the application stack. The 128 KB SRAM supports intermediate touch-scan buffers, while 512 KB Flash stores graphics tables and firmware. Commercial 0 C to +70 C operation covers indoor HMI use cases including appliances, access-control keypads, and small industrial control panels.
Recommended
Audio Playback Devices with USB Source
The PIC32MX470F512LT-120/PT drives USB-audio or SD-card audio playback devices by combining two I2S/SSP peripherals, a USB 2.0 Full-Speed host or device controller, and the PMP for external memory. The 120 MHz M4K core handles MP3/AAC decoding alongside USB stack housekeeping, while 128 KB SRAM buffers decoded audio frames. The I2S ports connect directly to external DACs such as the Microchip LAN8740A-class companion, and the on-chip 10-bit ADC supports auxiliary analog inputs.
Recommended
Industrial Ethernet Sensor Nodes
The PIC32MX470F512LT-120/PT integrates a 10/100 Ethernet MAC with RMII/MII interface, enabling compact industrial sensor nodes that stream data over Ethernet/IP, Modbus TCP, or MQTT without an external PHY MCU. The 512 KB Flash supports TLS stacks such as wolfSSL, and 128 KB SRAM holds TCP/IP socket buffers plus application data. Operating from 2.3 V to 3.6 V aligns with industrial 24 V->3.3 V rails, and the 100-pin TQFP provides 78 I/O pins for sensor multiplexing and digital I/O expansion.
Recommended
Low-Cost Graphics Terminals
The PIC32MX470F512LT-120/PT's Parallel Master Port (PMP) and EPMP can drive small TFT displays up to 480x272 resolution, enabling low-cost graphics terminals without an external graphics controller. The 120 MHz core and 128 KB SRAM sustain double-buffered frame updates at 30 fps for modest UIs. The integrated USB and Ethernet give the terminal native connectivity to host PCs or industrial controllers, while 512 KB Flash stores fonts, icons, and screen templates without an external SPI flash.
Recommended
IoT Edge Devices with Cloud Connectivity
The PIC32MX470F512LT-120/PT supports IoT edge devices combining Ethernet or USB connectivity with on-chip A/D and PWM for sensor and actuator interfaces. The 120 MHz M4K core with hardware multiply and DSP ASE handles local signal conditioning (FFT, filtering, threshold detection) before cloud upload via MQTT over Ethernet or Wi-Fi through a companion module. The 128 KB SRAM accommodates TCP/IP stacks plus edge analytics buffers, and 512 KB Flash stores OTA-updatable firmware with dual-bank support for fail-safe upgrades. The commercial 0 C to +70 C range covers most indoor IoT installations.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX470F512LT-120/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX470F512L-120/PT | PIC32MX470F512LT-120/PF | PIC32MX470F512L-I/PT | PIC32MX450F256LT-120/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| Max CPU Speed | 120 MHz | 120 MHz | 120 MHz | 80 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C (industrial) | 0 C to +70 C |
| Ethernet MAC | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps |
| USB Controllers | 2 (USB 2.0 FS) | 2 | 2 | 2 | 2 |
Key Differentiators
- Higher 120 MHz speed grade vs industrial 80 MHz variants (vs PIC32MX470F512L-I/PT)
- Larger 512 KB Flash vs 256 KB cost-down sibling (vs PIC32MX450F256LT-120/PT)
- Same-day prototype compatibility via tray-packaged sibling (vs PIC32MX470F512L-120/PT)
Design Notes
Estimated: at 120 MHz with all peripherals active and 3.3 V supply, the PIC32MX470F512LT-120/PT draws approximately 70-85 mA from VDD core, plus 10-15 mA for I/O ring and analog blocks. Place a 10 uF bulk + 100 nF ceramic decoupling pair within 5 mm of each VDD/AVDD/VUSB pin pair, plus a 4.7 uF bulk on VBUS when using USB host mode. Enable Deep Sleep mode (single-digit microamps) for battery-powered applications; use RTCC alarm or external interrupts as wake-up sources to preserve battery life.
The 100-pin TQFP at 12x12 mm has a 0.5 mm lead pitch, requiring PCB land patterns per IPC-7351 with 0.30 mm pads and 0.20 mm solder mask slivers. For USB applications, maintain 90-ohm differential impedance on the D+/D- traces with maximum length of 50 mm and a common-mode choke near the connector. For Ethernet RMII, route RMII clock and data lines as a length-matched group (within 2 mm) and keep them away from switching power and PWM signals to minimize crosstalk.
Do not exceed 3.6 V on any VDD pin; the PIC32MX470F512LT-120/PT is not 5 V tolerant. Configure unused I/O pins as outputs (not inputs) to avoid floating-input current draw of up to 1 mA per pin. When migrating firmware between PIC32MX variants, verify the I/O map because the Ethernet and USB pin assignments differ between PT (100-pin TQFP) and PF (100-pin TQFP) packages. Always lock the PLL to the external 8 MHz crystal before enabling USB, or the USB jitter specification will not be met.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - automotive designs should use the V-suffix variants with explicit automotive qualification. Halogen-free status not explicitly stated in the verified web data.