PIC32MX460F512L-80V/PT - 80MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX460F512L-80V/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $16.36 | $16.36 |
| 10 | $14.72 | $147.20 |
| 100 | $12.65 | $1,265.00 |
| 500 | $10.95 | $5,475.00 |
| 1,000 | $9.8 | $9,800.00 |
PIC32MX460F512L-80V/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, plus peripheral interfaces such as timers, ADC, communication controllers, and I/O. The PIC32MX4xx family belongs to the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. Within Microchip's portfolio, PIC32 sits above 8-bit PIC16/PIC18 devices in performance and below the Cortex-M-class SAM family in cost-per-MHz, targeting general-purpose 32-bit embedded designs.
Key features include 512 KB Flash, 32 KB SRAM, a 16-channel 10-bit ADC at 1 Msps, four hardware DMA channels (one dedicated to USB OTG), five 16-bit timers/counters, two I2C, two SPI, and two UART modules. The MIPS16e instruction-set mode reduces code size by up to 40%, while the 5-stage pipelined Harvard architecture supports single-cycle multiply and hardware divide. The 80 MHz core delivers 105 DMIPS, roughly 1.5 DMIPS/MHz.
Architecturally, the device uses the MIPS32 M4K core with branch shadow sets to reduce interrupt latency, JTAG and 2-wire ICSP debugging, and a separate USB PLL for the 48 MHz USB clock domain. The 100-pin TQFP exposes most peripherals in parallel, supporting up to 85 digital I/O pins with 5V-tolerant inputs on most signals, simplifying mixed-voltage interfacing.
Typical applications include USB peripherals (HID, CDC, mass storage), industrial control with USB diagnostics, graphical LCD interfaces, embedded web servers, and data loggers. The integrated USB OTG PHY eliminates external components for device, host, or dual-role USB implementations.
When designing, pay attention to decoupling: place 0.1 uF ceramic caps on every VDD/VSS pair within 5 mm of the pins, plus a bulk 10 uF on the main rail. Use the MPLAB Harmony Configurator (MHC) for clock setup - the 8 MHz primary oscillator with PLL yields the 80 MHz system clock, while the dedicated USB PLL drives the 48 MHz USB clock independently.
This page combines distributor pricing, drop-in same-package alternatives, and engineering design notes for the PIC32MX460F512L-80V/PT - synthesis that goes beyond what the manufacturer datasheet alone provides for part selection.
Drop-in alternatives for PIC32MX460F512L-80V/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 PIC32MX460F512L-80V/PT (same form factor and footprint) — differing in Package, ADC, USB, Performance, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX460F512L-80I/PT
✅ Drop-In✓ In Stock
$6.05 / Unit
View Datasheet →PIC32MX460F512L-80V/BG
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →PIC32MX440F512H-80I/MR
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →PIC32MX450F256L-120/PT
✅ Drop-In✓ In Stock
$5.78 / Unit
View Datasheet →PIC32MX370F512L-I/TL
✅ Drop-In✓ In Stock
$5.31 / Unit
View Datasheet →PIC32MX460F512L-80V/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Frequency | 80 MHz |
| Performance | 105 DMIPS (1.5 DMIPS/MHz) |
| Instruction Set | MIPS32 with MIPS16e mode (up to 40% code-size reduction) |
| Flash Program Memory | 512 KB |
| SRAM | 32 KB |
| USB Interface | USB 2.0 On-The-Go with integrated PHY |
| DMA Channels | 4 (1 dedicated to USB OTG) |
| ADC | 10-bit, 16-channel, 1 Msps |
| Timers | 5 x 16-bit timer/counters |
| Communication Interfaces | 2x I2C, 2x SPI, 2x UART |
| Digital I/O Pins | Up to 85 |
| Operating Voltage | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +105C (industrial, -80V speed grade) |
| Package | 100-pin TQFP (PT), 12x12x1 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Debug Interface | JTAG + 2-wire ICSP, 8 hardware breakpoints |
PIC32MX460F512L-80V/PT Pin Configuration
| Pin 1 | RG15 — General-purpose I/O / SDA2 (I2C2 data) |
| Pin 2 | VDD — Digital supply voltage (2.3-3.6 V) |
| Pin 3 | RF0 — General-purpose I/O |
| Pin 4 | RF1 — General-purpose I/O |
| Pin 5 | RG6 — General-purpose I/O / SCK2 (SPI2 clock) |
| Pin 6 | RG7 — General-purpose I/O / SDI2 (SPI2 data in) |
| Pin 7 | RG8 — General-purpose I/O / SDO2 (SPI2 data out) |
| Pin 8 | RG9 — General-purpose I/O / CS2 (SPI2 chip select) |
| Pin 9 | VSS — Digital ground |
| Pin 10 | VDD — Digital supply voltage |
| Pin 11 | RF2 — General-purpose I/O |
| Pin 12 | RF3 — General-purpose I/O |
| Pin 13 | RF4 — General-purpose I/O |
| Pin 14 | RF5 — General-purpose I/O |
| Pin 15 | RF6 — General-purpose I/O |
| Pin 16 | RF7 — General-purpose I/O |
| Pin 17 | RF8 — General-purpose I/O |
| Pin 18 | SDA1 — I2C1 data (5V-tolerant) |
| Pin 19 | SCL1 — I2C1 clock (5V-tolerant) |
| Pin 20 | AVDD — Analog supply voltage |
| Pin 21 | AVSS — Analog ground |
| Pin 22 | AN0 — Analog input 0 / VREF+ |
| Pin 23 | AN1 — Analog input 1 / VREF- |
| Pin 24 | AN2 — Analog input 2 |
| Pin 25 | AN3 — Analog input 3 |
| Pin 26 | AN4 — Analog input 4 |
| Pin 27 | AN5 — Analog input 5 |
| Pin 28 | AN6 — Analog input 6 |
| Pin 29 | AN7 — Analog input 7 |
| Pin 30 | AVDD — Analog supply voltage |
| Pin 31 | AVSS — Analog ground |
| Pin 32 | AN8 — Analog input 8 |
| Pin 33 | AN9 — Analog input 9 |
| Pin 34 | AN10 — Analog input 10 |
| Pin 35 | AN11 — Analog input 11 |
| Pin 36 | AN12 — Analog input 12 |
| Pin 37 | AN13 — Analog input 13 |
| Pin 38 | AN14 — Analog input 14 |
| Pin 39 | AN15 — Analog input 15 |
| Pin 40 | VDD — Digital supply voltage |
| Pin 41 | VSS — Digital ground |
| Pin 42 | OSC1 — Crystal oscillator input |
| Pin 43 | OSC2 — Crystal oscillator output |
| Pin 44 | SOSCO — Secondary oscillator output (32.768 kHz) |
| Pin 45 | SOSCI — Secondary oscillator input (32.768 kHz) |
| Pin 46 | RD0 — General-purpose I/O |
| Pin 47 | RD1 — General-purpose I/O |
| Pin 48 | RD2 — General-purpose I/O |
| Pin 49 | RD3 — General-purpose I/O |
| Pin 50 | RD4 — General-purpose I/O |
| Pin 51 | RD5 — General-purpose I/O |
| Pin 52 | RD6 — General-purpose I/O |
| Pin 53 | RD7 — General-purpose I/O |
| Pin 54 | RC1 — General-purpose I/O / T2CK (Timer2 clock) |
| Pin 55 | RC2 — General-purpose I/O / T3CK (Timer3 clock) |
| Pin 56 | RC3 — General-purpose I/O / T4CK (Timer4 clock) |
| Pin 57 | RC4 — General-purpose I/O / T5CK (Timer5 clock) |
| Pin 58 | VDD — Digital supply voltage |
| Pin 59 | VSS — Digital ground |
| Pin 60 | RC13 — General-purpose I/O |
| Pin 61 | RC14 — General-purpose I/O |
| Pin 62 | RD8 — General-purpose I/O |
| Pin 63 | RD9 — General-purpose I/O |
| Pin 64 | RD10 — General-purpose I/O |
| Pin 65 | RD11 — General-purpose I/O |
| Pin 66 | RD12 — General-purpose I/O |
| Pin 67 | RD13 — General-purpose I/O |
| Pin 68 | RD14 — General-purpose I/O |
| Pin 69 | RD15 — General-purpose I/O |
| Pin 70 | VSS — Digital ground |
| Pin 71 | VDD — Digital supply voltage |
| Pin 72 | RG0 — General-purpose I/O |
| Pin 73 | RG1 — General-purpose I/O |
| Pin 74 | RG2 — General-purpose I/O |
| Pin 75 | RG3 — General-purpose I/O |
| Pin 76 | RG12 — General-purpose I/O |
| Pin 77 | RG13 — General-purpose I/O |
| Pin 78 | RG14 — General-purpose I/O |
| Pin 79 | RA0 — General-purpose I/O / CN0 |
| Pin 80 | RA1 — General-purpose I/O / CN1 |
| Pin 81 | RA2 — General-purpose I/O / CN2 |
| Pin 82 | RA3 — General-purpose I/O / CN3 |
| Pin 83 | RA4 — General-purpose I/O / CN4 |
| Pin 84 | RA5 — General-purpose I/O / CN5 |
| Pin 85 | RA6 — General-purpose I/O / CN6 |
| Pin 86 | RA7 — General-purpose I/O / CN7 |
| Pin 87 | RA8 — General-purpose I/O / CN8 |
| Pin 88 | RA9 — General-purpose I/O / CN9 |
| Pin 89 | RA10 — General-purpose I/O / CN10 |
| Pin 90 | RB0 — General-purpose I/O / AN0 alt / PGED1 |
| Pin 91 | RB1 — General-purpose I/O / PGEC1 |
| Pin 92 | RB2 — General-purpose I/O / AN2 alt / PGED2 |
| Pin 93 | RB3 — General-purpose I/O / PGEC2 |
| Pin 94 | RB4 — General-purpose I/O |
| Pin 95 | RB5 — General-purpose I/O |
| Pin 96 | RB6 — General-purpose I/O |
| Pin 97 | RB7 — General-purpose I/O |
| Pin 98 | RB8 — General-purpose I/O |
| Pin 99 | VSS — Digital ground |
| Pin 100 | VDD — Digital supply voltage |
Typical Applications
PIC32MX460F512L-80V/PT is suitable for 8 applications: USB HID Peripheral Devices, Industrial Control with USB Diagnostics, Graphical LCD and TFT Display Controllers, Embedded Web Server with USB Configuration, USB Data Loggers and Acquisition Modules, USB Mass Storage and CDC Devices, Audio Player and USB Streaming Devices, Educational Development Platforms.
USB HID Peripheral Devices
The PIC32MX460F512L-80V/PT is purpose-built for USB Human Interface Devices, with its integrated USB 2.0 On-The-Go controller and dedicated DMA channel eliminating external PHY components and offloading USB transactions. At 80 MHz the M4K core delivers 105 DMIPS - more than enough headroom for HID class drivers plus custom application logic. The 512 KB Flash accommodates the full Microchip USB stack, HID bootloader, and application firmware; the 32 KB SRAM holds HID report buffers without CPU stalls. The dedicated USB DMA channel sustains full-speed USB 12 Mbps traffic while the CPU services HID callbacks.
Recommended
Industrial Control with USB Diagnostics
The PIC32MX460F512L-80V/PT fits industrial control applications needing on-board USB for diagnostics, configuration, and firmware update. Its -40C to +105C operating range (80V speed grade) suits cabinet-mounted equipment, factory automation, and process instrumentation. The 16-channel 10-bit ADC at 1 Msps reads sensor arrays including thermocouples, 4-20 mA loops, and potentiometers. The two UARTs bridge RS-232/RS-485 to USB for legacy industrial buses, while five 16-bit timers drive PWM outputs for motor control and solenoid drivers within industrial control panels.
Recommended
Graphical LCD and TFT Display Controllers
The PIC32MX460F512L-80V/PT is well-matched for driving graphical LCD and small TFT displays through its parallel master port (PMP) peripheral, which can be mapped to external bus pins. The 80 MHz core and 32 KB SRAM sustain display refresh at 30+ FPS for small color TFTs, while 512 KB Flash stores font tables and bitmaps. The two SPI peripherals plus I2C connect touch-panel controllers and display configuration EEPROMs. The dedicated USB DMA channel frees the CPU for graphics rendering, enabling USB-configurable HMI modules.
Recommended
Embedded Web Server with USB Configuration
The PIC32MX460F512L-80V/PT supports small embedded web servers using its USB for initial configuration plus its 512 KB Flash for TCP/IP stack and HTTP server. The 80 MHz core and 32 KB SRAM can run lightweight lwIP or Microchip's Harmony TCP/IP stack, serving HTTP pages over Ethernet through an external ENC28J60 SPI controller. The dual-role USB OTG enables configuration from a host PC without needing Ethernet - ideal for industrial IoT gateways where network access is intermittent but USB access is always available for commissioning and firmware updates.
Recommended
USB Data Loggers and Acquisition Modules
The PIC32MX460F512L-80V/PT excels in USB-attached data loggers where its 1 Msps 10-bit ADC samples sensor arrays while the integrated USB OTG streams results to a host PC. The 4 DMA channels enable ping-pong ADC buffering without CPU intervention; 32 KB SRAM holds sample buffers while 512 KB Flash stores logger configuration and calibration tables. The dedicated USB DMA maintains 12 Mbps throughput even while the ADC runs at full speed, making the part ideal for multi-channel voltage, current, and temperature logging via USB.
Recommended
USB Mass Storage and CDC Devices
The PIC32MX460F512L-80V/PT supports USB mass storage class devices and CDC virtual COM ports for legacy serial-over-USB bridges. With 512 KB Flash the device hosts both the MSD and CDC stacks plus file-system code (FAT16/32), while 32 KB SRAM holds sector buffers. The dedicated USB DMA channel sustains bulk transfers up to the full-speed 12 Mbps ceiling. The 5-stage MIPS pipeline and 32-bit multiply deliver the throughput needed for real-time file writes without dropping USB packets.
Recommended
Audio Player and USB Streaming Devices
The PIC32MX460F512L-80V/PT fits USB audio streaming applications where 32 KB SRAM holds audio buffers and 512 KB Flash stores USB audio class firmware plus decoding routines. The integrated USB OTG controller implements USB Audio Class 1.0 for full-speed isochronous audio streaming at 48 kHz/16-bit stereo. The 80 MHz MIPS M4K core runs MP3/AAC decode software in parallel with USB streaming, while the I2S peripheral (configured via SPI) drives external DAC chips for line/headphone output in portable USB audio designs.
Recommended
Educational Development Platforms
The PIC32MX460F512L-80V/PT is a popular choice for university courses and training platforms because it combines USB for easy in-circuit programming, 80 MHz of MIPS performance for teaching 32-bit concepts, and abundant peripherals. The Microchip MA320002 Plug-In Module and MikroElektronika EasyPIC Fusion v7 card both use this MCU, providing a familiar hardware environment for learning embedded C, RTOS concepts, USB protocols, and MIPS assembly. The 100-pin TQFP is breadboard-friendly with breakout boards, and the rich MPLAB Harmony ecosystem supports code generation for peripherals.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX460F512L-80V/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX460F512L-80I/PT | PIC32MX460F512L-80V/BG | PIC32MX440F512H-80I/MR | PIC32MX450F256L-120/PT | PIC32MX370F512L-I/TL |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) - same | 121-ball BGA (BG) - different footprint | 64-pin QFN (MR) - different package | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 120 MHz | 50 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB OTG | Yes (integrated PHY) | Yes (integrated PHY) | Yes (integrated PHY) | No | Yes (integrated PHY) | Yes (integrated PHY) |
| Operating Temperature | -40C to +105C (80V) | -40C to +85C (80I) | -40C to +105C (80V) | -40C to +85C (80I) | -40C to +85C (120) | -40C to +85C (I) |
| I/O Pins | Up to 85 | Up to 85 | Up to 85 | Up to 53 | Up to 85 | Up to 85 |
| ADC | 10-bit, 16-ch, 1 Msps | 10-bit, 16-ch, 1 Msps | 10-bit, 16-ch, 1 Msps | 10-bit, 16-ch, 1 Msps | 10-bit, 16-ch, 1 Msps | 10-bit, 16-ch, 1 Msps |
Key Differentiators
- Extended -40C to +105C temperature range at 80 MHz (vs PIC32MX460F512L-80I/PT)
- Same USB OTG and 512 KB Flash in BGA-121 package (vs PIC32MX460F512L-80V/BG)
- Faster 120 MHz core in same TQFP-100 footprint (vs PIC32MX450F256L-120/PT)
Design Notes
Place 0.1 uF ceramic decoupling capacitors on every VDD/VSS pair within 5 mm of the IC pins, plus a single 10 uF bulk ceramic on the main 3.3 V rail. PIC32MX devices draw peaks up to 80 mA during USB transactions, so inadequate decoupling causes USB enumeration failures and brownouts. The AVDD/AVSS pair (pins 20/21 and 30/31) should be filtered with a ferrite bead and 10 uF + 0.1 uF to isolate analog ADC references from digital switching noise. Reference: Microchip PIC32MX3XX/4XX Family Data Sheet, document 61143H, section on power considerations.
Route the 80 MHz system clock traces with controlled impedance and keep them short; the 8 MHz primary oscillator with PLL multiplied to 80 MHz is sensitive to noise coupling into OSC1/OSC2 (pins 42/43). Place the load capacitors within 3 mm of the crystal pins. For USB designs, the D+/D- traces must be 90-ohm differential, length-matched within 1 mm, and routed over a continuous ground plane. Reference: Microchip AN588 'USB PCB Layout Recommendations'.
Do not exceed 3.6 V on any VDD pin - the device is NOT 5V tolerant on supply rails (only I/O inputs are 5V tolerant where marked). The USB D+/D- pins require external 15 kohm pull-down resistors on the host side but the PIC32MX460 has them integrated. When configuring the 80V speed grade, ensure the DEVCFG register selects the correct PLL multiplier (10x from 8 MHz) or the device will run at 40 MHz. The JTAG PGEC1/PGED1 pins (RB1/RB0) must not be repurposed without disabling JTAG in configuration bits first.
Estimated: at maximum 80 MHz core clock with all peripherals enabled, the PIC32MX460F512L-80V/PT draws approximately 70 mA from a 3.3 V supply, dissipating 231 mW. The 100-pin TQFP has a theta_JA of approximately 42 C/W on a standard JEDEC 4-layer test board, yielding a junction-temperature rise of 9.7 C above ambient. At +105C ambient, junction reaches +115C, still below the +125C maximum. No heatsink is required, but adequate copper pour (>1 sq inch) on the ground plane reduces theta_JA significantly.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose a Q1/Q-qualified variant for automotive. Lead-free TQFP package with matte-tin plating. MSL Level 3 per JEDEC J-STD-020.
