PIC32MX460F256L-80I/BG - 80MHz 32-bit MCU 256KB Flash USB | Microchip
MPN: PIC32MX460F256L-80I/BG ✓ פעילPIC32MX460F256L-80I/BG סקירה
What is a PIC32 microcontroller? A PIC32MX device is a 32-bit flash microcontroller built on the MIPS M4K core, combining the deterministic peripheral set of Microchip's classic PIC architecture with the throughput of a 32-bit RISC pipeline. PIC32MX MCUs sit within Microchip's broader MCU hierarchy: 32-bit MCU -> MIPS-based MCU -> PIC32 family -> PIC32MX general-purpose series -> USB-capable sub-series. Compared to 8-bit PIC16/PIC18 devices, the PIC32MX adds native 32-bit registers, hardware multiply/divide, and significantly higher code density for C-based firmware.
The 256 KB Flash supports in-application programming through the ICSP interface, while 32 KB of SRAM enables substantial buffering for USB, communication stacks, and signal-processing tasks. The 80 MHz core delivers 1.56 DMIPS/MHz (approximately 125 DMIPS), supporting real-time USB, graphic, and control-loop workloads. Integrated peripherals include a 16-channel 10-bit ADC, five 16-bit timers, an RTCC, and a parallel master port for external bus expansion.
USB 2.0 full-speed OTG with on-chip transceiver eliminates external PHY cost and board area. The 121-pin TFBGA package maximizes I/O availability with 85+ general-purpose I/O pins, supporting both 2.5 V and 3.3 V operation across industrial temperature ranges (-40°C to +85°C).
Typical applications include USB peripherals, industrial control HMI panels, medical point-of-care instruments, embedded web servers, and motor-control front-ends. The 80 MHz MIPS performance combined with deterministic interrupt latency makes the PIC32MX460 suitable for hard real-time control alongside USB communication.
When designing with this part, ensure the 121-ball TFBGA land pattern is correctly routed with proper thermal vias under the package. Use MPLAB XC32 compiler with appropriate optimization levels for size and speed trade-offs in USB stack builds.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone, providing a single engineering reference for sourcing and validation.
חלופות תחליף ישיר עבור PIC32MX460F256L-80I/BG — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC32MX460F256L-80I/BG (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Package, DMA Channels, Operating Temperature, Core Architecture.
PIC32MX460F256LT-80I/BG
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC32MX460F256L-80V/BG
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32MX360F256L-80I/BG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32MX360F512L-80V/BG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32MX440F128L-80I/BG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32MX460F256L-80I/BG דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | MIPS32 M4K |
| Core Size | 32-bit |
| Maximum CPU Frequency | 80 MHz |
| Program Memory (Flash) | 256 KB |
| Data RAM | 32 KB |
| מארז | 121-TFBGA (10x10 mm) |
| Operating Voltage | 2.5 V / 3.3 V |
| טמפרטורת פעולה | -40°C to +85°C (Industrial) |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip transceiver |
| ADC | 10-bit, multi-channel |
| Timers | 16-bit (5x) |
| Communication Interfaces | 2x EUSART, 2x I2C, 2x SPI |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC32MX460F256L-80I/BG
| פין 1 | OSC1/CLKI/RA1 — External clock input or crystal oscillator connection |
| פין 2 | OSC2/CLKO/RA2 — External clock output or crystal oscillator connection |
| פין 3 | MCLR — Master clear reset input (active low) |
| פין 4 | VSS — Ground reference |
| פין 5 | VDD — Positive supply voltage (2.5V or 3.3V) |
| פין 6 | AVDD — Analog positive supply voltage |
| פין 7 | AVSS — Analog ground reference |
| פין 8 | RB0 — Port B GPIO bit 0 (PGED1) |
| פין 9 | RB1 — Port B GPIO bit 1 (PGEC1) |
| פין 10 | RB2 — Port B GPIO bit 2 |
| פין 11 | RB3 — Port B GPIO bit 3 |
| פין 12 | RB4 — Port B GPIO bit 4 |
| פין 13 | RB5 — Port B GPIO bit 5 |
| פין 14 | RB6 — Port B GPIO bit 6 |
| פין 15 | RB7 — Port B GPIO bit 7 |
| פין 16 | RB8 — Port B GPIO bit 8 |
| פין 17 | RB9 — Port B GPIO bit 9 |
| פין 18 | RB10 — Port B GPIO bit 10 |
| פין 19 | RB11 — Port B GPIO bit 11 |
| פין 20 | RB12 — Port B GPIO bit 12 |
| פין 21 | RB13 — Port B GPIO bit 13 |
| פין 22 | RB14 — Port B GPIO bit 14 |
| פין 23 | RB15 — Port B GPIO bit 15 |
| פין 24 | VSS — Ground reference |
| פין 25 | VDD — Positive supply voltage |
| פין 26 | RC1 — Port C GPIO bit 1 |
| פין 27 | RC2 — Port C GPIO bit 2 |
| פין 28 | RC3 — Port C GPIO bit 3 |
| פין 29 | RC4 — Port C GPIO bit 4 |
| פין 30 | VUSB — USB internal transceiver supply |
| פין 31 | VDD — Positive supply voltage |
| פין 32 | VSS — Ground reference |
| פין 33 | D- — USB D- data line |
| פין 34 | D+ — USB D+ data line |
| פין 35 | RC12 — Port C GPIO bit 12 |
| פין 36 | RC13 — Port C GPIO bit 13 |
| פין 37 | RC14 — Port C GPIO bit 14 |
| פין 38 | RC15 — Port C GPIO bit 15 |
| פין 39 | VSS — Ground reference |
| פין 40 | VDD — Positive supply voltage |
| פין 41 | RD0 — Port D GPIO bit 0 |
| פין 42 | RD1 — Port D GPIO bit 1 |
| פין 43 | RD2 — Port D GPIO bit 2 |
| פין 44 | RD3 — Port D GPIO bit 3 |
| פין 45 | RD4 — Port D GPIO bit 4 |
| פין 46 | RD5 — Port D GPIO bit 5 |
| פין 47 | RD6 — Port D GPIO bit 6 |
| פין 48 | RD7 — Port D GPIO bit 7 |
| פין 49 | RD8 — Port D GPIO bit 8 |
| פין 50 | RD9 — Port D GPIO bit 9 |
| פין 51 | RD10 — Port D GPIO bit 10 |
| פין 52 | RD11 — Port D GPIO bit 11 |
| פין 53 | VSS — Ground reference |
| פין 54 | VDD — Positive supply voltage |
| פין 55 | RE0 — Port E GPIO bit 0 |
| פין 56 | RE1 — Port E GPIO bit 1 |
| פין 57 | RE2 — Port E GPIO bit 2 |
| פין 58 | RE3 — Port E GPIO bit 3 |
| פין 59 | RE4 — Port E GPIO bit 4 |
| פין 60 | RE5 — Port E GPIO bit 5 |
| פין 61 | RE6 — Port E GPIO bit 6 |
| פין 62 | RE7 — Port E GPIO bit 7 |
| פין 63 | VSS — Ground reference |
| פין 64 | VDD — Positive supply voltage |
| פין 65 | RF0 — Port F GPIO bit 0 |
| פין 66 | RF1 — Port F GPIO bit 1 |
| פין 67 | RF2 — Port F GPIO bit 2 |
| פין 68 | RF3 — Port F GPIO bit 3 |
| פין 69 | RF4 — Port F GPIO bit 4 |
| פין 70 | RF5 — Port F GPIO bit 5 |
| פין 71 | RF6 — Port F GPIO bit 6 |
| פין 72 | RF7 — Port F GPIO bit 7 |
| פין 73 | RF8 — Port F GPIO bit 8 |
| פין 74 | VSS — Ground reference |
| פין 75 | VDD — Positive supply voltage |
| פין 76 | RG0 — Port G GPIO bit 0 |
| פין 77 | RG1 — Port G GPIO bit 1 |
| פין 78 | RG2 — Port G GPIO bit 2 |
| פין 79 | RG3 — Port G GPIO bit 3 |
| פין 80 | RG6 — Port G GPIO bit 6 |
| פין 81 | RG7 — Port G GPIO bit 7 |
| פין 82 | RG8 — Port G GPIO bit 8 |
| פין 83 | RG9 — Port G GPIO bit 9 |
| פין 84 | VSS — Ground reference |
| פין 85 | VDD — Positive supply voltage |
| פין 86 | RA3 — Port A GPIO bit 3 |
| פין 87 | RA4 — Port A GPIO bit 4 |
| פין 88 | RA5 — Port A GPIO bit 5 |
| פין 89 | RA6 — Port A GPIO bit 6 |
| פין 90 | RA7 — Port A GPIO bit 7 |
| פין 91 | RA8 — Port A GPIO bit 8 |
| פין 92 | RA9 — Port A GPIO bit 9 |
| פין 93 | RA10 — Port A GPIO bit 10 |
| פין 94 | VSS — Ground reference |
| פין 95 | VDD — Positive supply voltage |
| פין 96 | RB0 — Port B GPIO bit 0 alternate location |
| פין 97 | RB1 — Port B GPIO bit 1 alternate location |
| פין 98 | RB2 — Port B GPIO bit 2 alternate location |
| פין 99 | RB3 — Port B GPIO bit 3 alternate location |
| פין 100 | RB4 — Port B GPIO bit 4 alternate location |
| פין 101 | RB5 — Port B GPIO bit 5 alternate location |
| פין 102 | RB6 — Port B GPIO bit 6 alternate location |
| פין 103 | RB7 — Port B GPIO bit 7 alternate location |
| פין 104 | RB8 — Port B GPIO bit 8 alternate location |
| פין 105 | RB9 — Port B GPIO bit 9 alternate location |
| פין 106 | RB10 — Port B GPIO bit 10 alternate location |
| פין 107 | RB11 — Port B GPIO bit 11 alternate location |
| פין 108 | RB12 — Port B GPIO bit 12 alternate location |
| פין 109 | RB13 — Port B GPIO bit 13 alternate location |
| פין 110 | RB14 — Port B GPIO bit 14 alternate location |
| פין 111 | RB15 — Port B GPIO bit 15 alternate location |
| פין 112 | VSS — Ground reference |
| פין 113 | VDD — Positive supply voltage |
| פין 114 | RC1 — Port C GPIO bit 1 alternate location |
| פין 115 | RC2 — Port C GPIO bit 2 alternate location |
| פין 116 | RC3 — Port C GPIO bit 3 alternate location |
| פין 117 | RC4 — Port C GPIO bit 4 alternate location |
| פין 118 | VUSB — USB internal transceiver supply |
| פין 119 | D- — USB D- data line alternate location |
| פין 120 | D+ — USB D+ data line alternate location |
| פין 121 | NC — Not connected (per datasheet) |
יישומים טיפוסיים
PIC32MX460F256L-80I/BG מתאים עבור 6 יישוםs: USB Peripherals and HID Devices, Industrial Control HMI Panels, Medical Point-of-Care Instruments, Embedded Web Servers and IoT Gateways, Motor Control and PWM Front-Ends, Consumer Audio and USB Streaming Devices.
USB Peripherals and HID Devices
The PIC32MX460F256L-80I/BG is ideally suited for USB peripheral designs because its on-chip USB 2.0 full-speed OTG controller eliminates external PHY cost and board area. With 80 MHz MIPS M4K performance delivering 125 DMIPS, it can sustain USB HID, CDC, or vendor-class traffic while handling concurrent application logic in C. The 32 KB SRAM comfortably accommodates USB descriptors, endpoint buffers, and protocol stacks. Its 121-TFBGA package provides the 85+ GPIO required for keyboards, custom HID devices, USB sensors, and industrial data-acquisition peripherals where USB-powered design is essential.
מומלץ
Industrial Control HMI Panels
Industrial HMI panels benefit from the PIC32MX460F256L-80I/BG's combination of USB connectivity, 16-channel 10-bit ADC for sensor inputs, and 5x 16-bit timers for PWM-driven backlight and motor control. The 256 KB Flash supports full graphical HMI stacks with fonts, menus, and Modbus/USB protocols simultaneously, while 32 KB SRAM provides display buffer headroom. The 80 MHz core sustains 50+ ms touch-response latency while driving TFT panels via PMP. Industrial -40°C to +85°C temperature rating matches factory floor conditions for control cabinet installations.
מומלץ
Medical Point-of-Care Instruments
Medical point-of-care devices such as pulse oximeters, glucose meters, and portable diagnostic tools leverage the PIC32MX460F256L-80I/BG for its USB-OTG connectivity (enabling direct PC data transfer and battery charging), low power operation at 2.5 V, and 256 KB Flash for protocol stacks. The MIPS M4K deterministic interrupt handling ensures reliable real-time response for sensor sampling at 100+ Hz. The 10-bit ADC captures photodiode or electrochemical sensor outputs with adequate resolution for clinical-grade measurements in battery-powered handheld medical instruments.
מומלץ
Embedded Web Servers and IoT Gateways
Embedded web server designs use the PIC32MX460F256L-80I/BG's 80 MHz performance and 256 KB Flash to run lightweight TCP/IP stacks (e.g., Microchip's MPLAB Harmony Net) for industrial IoT gateways. USB OTG enables easy field configuration via USB flash drives, while dual EUSART and I2C connect to RS-485 sensors, Modbus devices, and EEPROMs. The 32 KB SRAM holds HTTP buffers and connection state, and the parallel master port can drive external Ethernet controllers for cabled installations. This combination suits energy-monitoring, building-automation, and remote sensor aggregation nodes.
מומלץ
Motor Control and PWM Front-Ends
Motor control front-ends including BLDC and stepper motor drives benefit from the PIC32MX460F256L-80I/BG's five 16-bit timers that produce hardware PWM channels for 3-phase motor commutation at 20-50 kHz. The 80 MHz core computes field-oriented control (FOC) loops with sub-millisecond latency. USB OTG enables live tuning of motor parameters via host PC, while 32 KB SRAM holds control loop variables and current sense data. The 256 KB Flash stores commutation tables and protection routines, ideal for robotics, CNC auxiliary axes, and small-pump drive designs.
מומלץ
Consumer Audio and USB Streaming Devices
USB audio streaming devices such as USB headphones, audio interfaces, and digital musical instruments use the PIC32MX460F256L-80I/BG's full-speed USB OTG to deliver 48 kHz/16-bit stereo audio while the MIPS core handles user-interface logic. The 32 KB SRAM serves as audio buffer between USB isochronous endpoints and I2S DACs, while 256 KB Flash stores firmware, presets, and DSP routines. The 10-bit ADC reads analog control pots, and PWM timers drive LED VU meters. This configuration delivers solid performance for low-cost USB audio peripherals under $20 BOM.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC32MX460F256L-80I/BG — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC32MX460F256LT-80I/BG | PIC32MX460F256L-80V/BG | PIC32MX360F256L-80I/BG | PIC32MX360F512L-80V/BG | PIC32MX440F128L-80I/BG |
|---|---|---|---|---|---|---|
| Package | 121-TFBGA (10x10) | 121-TFBGA (10x10) - same | 121-TFBGA (10x10) - same | 121-TFBGA (10x10) - same | 121-TFBGA (10x10) - same | 121-TFBGA (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | 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 CPU Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 512 KB (+100%) | 128 KB (-50%) |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB OTG | Yes (USB 2.0 FS OTG) | Yes (USB 2.0 FS OTG) | Yes (USB 2.0 FS OTG) | No | No | No |
| Operating Temperature | -40°C to +85°C (Industrial) | -40°C to +85°C (Industrial) | -40°C to +105°C (Extended) | -40°C to +85°C (Industrial) | -40°C to +105°C (Extended) | -40°C to +85°C (Industrial) |
| Unit Price (approx., as of 2026-10-03) | $8.20 | $8.20 | ~$8.50 | ~$7.20 | ~$9.00 | ~$7.50 |
מבדילים עיקריים
- Integrated USB 2.0 FS OTG with on-chip transceiver (לעומתPIC32MX360F256L-80I/BG)
- Same 121-TFBGA footprint across PIC32MX4 family (לעומתPIC32MX360F512L-80V/BG)
- Higher temperature option available within same footprint (לעומתPIC32MX460F256L-80V/BG)
הערות תכנון
The 121-TFBGA package requires 4-layer PCB with continuous ground plane beneath the BGA to provide reference and thermal dissipation. Use 0.4 mm ball pitch with NSMD (non-solder mask defined) pads of 0.30 mm diameter for reliable reflow assembly. Microvia-in-pad technology is recommended for breakout routing to inner layers, and an array of thermal vias under the center pad is essential for heat dissipation at 80 MHz operation.
Use a 10 µF bulk capacitor plus 0.1 µF ceramic bypass capacitor on each VDD pin pair. The VUSB pin requires a dedicated 0.1 µF decoupling capacitor placed within 2 mm of the pin to stabilize the USB transceiver supply. Place a ferrite bead or inductor between VDD and VUSB to isolate digital switching noise from the USB analog supply. Reference: Microchip PIC32MX family datasheet, Section 2.0 (Electrical Characteristics) and reference design DN10269.
Do not exceed 80 MHz core clock with 2.5 V VDD - the part only supports 80 MHz at 3.3 V. Configure the PLL multiplier carefully when using a low-frequency crystal; the FPLLIDIV and FPLLMUL registers must be sequenced per the datasheet. The MCLR pin must have a 10 kΩ pull-up to VDD for reliable reset behavior, and unused I/O pins should be configured as outputs driven low to minimize power consumption.
Route the USB D+/D- traces as a 90-ohm differential pair with matched length within 150 mil. Keep them away from switching signals and clock traces to minimize EMI and meet USB 2.0 FS signal integrity requirements. Place the USB connector's shield-to-ground connection through a ferrite bead to reduce EMI emissions per USB-IF compliance testing.
מידע על תאימות
RoHS compliant per Microchip product page. Industrial temperature grade (-40 to +85C) but not AEC-Q100 qualified for automotive under-hood use. For AEC-Q100 qualified USB MCUs, consider PIC32MX1xx/2xx automotive variants.
