Microchip Technology

PIC32MX460F256L-80V/BG - 80MHz 32-bit MCU, 256KB Flash, USB-OTG | Microchip

Артикул: PIC32MX460F256L-80V/BG ✓ Активен

В наличии Отправка в течение 1–3 рабочих дней

2.3 V to 3.6 V Vdss 121-pin TFBGA (BG), 10x10 mm, 0.8 mm pitch Package 80 MHz Speed 256 KB Memory

От $7.6 USD / шт.

MOQ: 1 |

Цена обновлена: 2026-10-02

Оптовые цены

Кол-во	Цена за ед.	Итого
1	$11.5	$11,50
10	$10.62	$106,20
100	$9.45	$945,00
500	$8.4	$4.200,00
1.000	$7.6	$7.600,00

ℹ️ Все цены указаны в USD

Открыть datasheet (PDF) Смотреть аналоги

Количество

PIC32MX460F256L-80V/BG Обзор

The Microchip PIC32MX460F256L-80V/BG is a high-performance 32-bit MIPS M4K microcontroller operating at up to 80MHz (105 DMIPS), integrating 256KB of Flash program memory and 32KB of SRAM in a 121-pin TFBGA (10x10 mm) package. The device is a member of the PIC32MX3XX/4XX USB-enabled family, featuring an integrated USB 2.0 On-The-Go peripheral with PHY and a dedicated DMA channel for USB-OTG data movement, alongside a 5-stage pipelined Harvard architecture supporting MIPS16e compressed code for up to 40% code-size reduction.

What is a 32-bit MCU? A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data RAM, and a rich set of peripherals. The PIC32 family represents Microchip's 32-bit extension of the classic PIC architecture, using the industry-standard MIPS instruction set rather than the proprietary 16-bit PIC ISA, which gives it direct C-compiler compatibility, larger linear address space, and competitive MIPS-per-MHz efficiency for embedded control and connectivity applications.

Key features of the PIC32MX460F256L-80V/BG include a 32-bit MIPS M4K core with hardware multiply/divide and single-cycle MAC, 16-channel 10-bit ADC, four DMA channels, 5x 16-bit timers, two UART, two SPI, two I2C, and full-speed USB-OTG. The -80V speed grade denotes 80MHz operation over the industrial 2.3V to 3.6V supply range, while the BG suffix identifies the 121-ball TFBGA (10x10 mm) package with industrial operating temperature.

Typical applications include USB peripherals (HID, CDC, mass storage), embedded web servers and IoT gateways, industrial control and HMI panels, consumer audio devices, and portable data-loggers. The combination of USB-OTG, generous RAM (32KB), and 80MHz throughput makes this part well-suited for full-speed USB device, host, or dual-role designs.

When designing with this device, allocate PCB fan-out for the 121-ball BGA using 0.8mm-pitch escape routing and follow Microchip's reference design for USB impedance (90 ohm differential). Use the MPLAB Harmony framework or legacy MLA stack for USB stack, and choose a temperature grade matching the deployment environment (-40C to +105C industrial).

Аналоги без доработки для PIC32MX460F256L-80V/BG — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с PIC32MX460F256L-80V/BG (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Timers, Core Architecture, USB Interface.

PIC32MX360F256L-80V/BG

Microchip Technology

Package: 121-TFBGA (10 mm x 10 mm)

ADC: 10-bit, 16-channel

Timers: 7

PIC32MX360F512L-80V/BG

Microchip Technology

Package: 121-ball TFBGA (10x10 mm)

ADC: 10-bit, 16-channel, 1 MSPS

Core Architecture: MIPS32 M4K, 32-bit

PIC32MX440F128L-80V/BG

Microchip Technology

Package: 121-TFBGA (10 x 10 mm, 0.65 mm pitch)

ADC: 10-bit, up to 16 channels

Timers: 5 x 16-bit, 2 x 32-bit (family-wide)

PIC32MX460F256L-80I/BG

Microchip Technology

Package: 121-TFBGA (10x10 mm)

ADC: 10-bit, multi-channel

Timers: 16-bit (5x)

PIC32MX460F256LT-80V/BG

Microchip Technology

Package: 121-TFBGA, 10 x 10 mm

ADC: 10-bit, up to 16 channels, 1 MSPS

Timers: 5 x 16-bit timers/counters

PIC32MX460F512L-80V/BG

Microchip Technology

Package: 121-ball TFBGA (BG) 10x10 mm

ADC: 10-bit, up to 16 channels, 1 Msps

USB Interface: USB 2.0 Full-Speed On-The-Go with integrated PHY

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

PIC32MX460F256LT-80V/BG

✅ Прямая замена

Microchip Technology

📦 121-pin TFBGA (10x10 mm)

MIPS32 M4K · 32-bit · 80 MHz · 256 KB (256K x 8) · 32 KB · 2.3 V to 3.6 V · 3.3 V · -40C to +105C (V-temp, industrial)

✓ В наличии

$5.42 / шт.

Открыть даташит →

PIC32MX460F256L-80I/BG

✅ Прямая замена

Microchip Technology

📦 121-pin TFBGA (10x10 mm)

MIPS32 M4K · 32-bit · 80 MHz · 256 KB · 32 KB · 121-TFBGA (10x10 mm) · 2.5 V / 3.3 V · -40°C to +85°C (Industrial)

✓ В наличии

$5.55 / шт.

Открыть даташит →

PIC32MX460F512L-80V/BG

✅ Прямая замена

Microchip Technology

📦 121-pin TFBGA (10x10 mm)

MIPS32 M4K 32-bit RISC · 80 MHz (105 DMIPS) · 1.56 · 512 KB · 32 KB · 2.3 V to 3.6 V · USB 2.0 Full-Speed On-The-Go with integrated PHY · 4 (one dedicated to USB)

✓ В наличии

$6.1 / шт.

Открыть даташит →

PIC32MX460F256LT-80I/BG

✅ Прямая замена

📦 121-pin TFBGA (10x10 mm)

Tape-and-reel variant with I-grade temp range, otherwise identical silicon

📋 Справочный аналог (нет в каталоге)

PIC32MX360F512L-80V/BG

✅ Прямая замена

Microchip Technology

📦 121-pin TFBGA (10x10 mm)

MIPS32 M4K, 32-bit · 80 MHz · 105 DMIPS · 5-stage Harvard · MIPS16e (up to 40% smaller code) · 512 KB · 32 KB · 4

✓ В наличии

$6.65 / шт.

Открыть даташит →

PIC32MX360F256L-80V/BG

✅ Прямая замена

Microchip Technology

📦 121-pin TFBGA (10x10 mm)

MIPS32 M4K 32-bit RISC · 80 MHz · 1.56 DMIPS/MHz (Dhrystone 2.1) · 256 KB (256K x 8) · 32 KB · 2.5 V to 3.6 V · 10-bit, 16-channel · 4

✓ В наличии

$6.4 / шт.

Открыть даташит →

PIC32MX460F256L-80V/BG Максимальные параметры и электрические характеристики

Core Architecture	MIPS32 M4K 32-bit RISC
Maximum CPU Frequency	80 MHz
DMIPS Performance	105 DMIPS
Flash Program Memory	256 KB
SRAM Data Memory	32 KB
Supply Voltage Range	2.3 V to 3.6 V
USB Interface	USB 2.0 Full-Speed OTG with integrated PHY and dedicated DMA
ADC	10-bit, 16 channels, 1 Msps
DMA Channels	4 channels
Timers	5 x 16-bit
UART / SPI / I2C	2 / 2 / 2
Корпус	121-pin TFBGA (BG), 10x10 mm, 0.8 mm pitch
Рабочая температура	-40 C to +105 C (industrial, V grade)
Instruction Set Extensions	MIPS16e for up to 40% code compression
Multiply/Divide Unit	32x32-bit hardware multiply, hardware divide, single-cycle MAC
Тип монтажа	Surface Mount (BGA)
Статус RoHS	Compliant (per manufacturer product page)

Конфигурация выводов PIC32MX460F256L-80V/BG

Контакт A1	RG15 — General purpose I/O / UART2 CTS
Контакт A2	VDD — Supply voltage
Контакт A3	RG6 — General purpose I/O
Контакт A4	RG7 — General purpose I/O
Контакт A5	RG8 — General purpose I/O
Контакт A6	RG9 — General purpose I/O
Контакт A7	VSS — Ground
Контакт A8	RA0 — General purpose I/O
Контакт A9	RA1 — General purpose I/O
Контакт A10	RA2 — General purpose I/O
Контакт A11	RA3 — General purpose I/O
Контакт B1	RG14 — General purpose I/O
Контакт B2	RG13 — General purpose I/O
Контакт B3	RG12 — General purpose I/O
Контакт B4	VDD — Supply voltage
Контакт B5	RF4 — General purpose I/O
Контакт B6	RF5 — General purpose I/O
Контакт B7	RF3 — General purpose I/O
Контакт B8	RF2 — General purpose I/O
Контакт B9	RF6 — General purpose I/O
Контакт B10	RF7 — General purpose I/O
Контакт B11	RF8 — General purpose I/O
Контакт C1	VSS — Ground
Контакт C2	RG0 — General purpose I/O
Контакт C3	RG1 — General purpose I/O
Контакт C4	RG2 — General purpose I/O
Контакт C5	RG3 — General purpose I/O
Контакт C6	VBUS — USB VBUS detect
Контакт C7	USBID — USB OTG ID pin
Контакт C8	D- — USB D- differential data line
Контакт C9	D+ — USB D+ differential data line
Контакт C10	VUSB — USB transceiver supply (3.3V)
Контакт C11	VSS — Ground
Контакт D1	RD8 — General purpose I/O
Контакт D2	RD9 — General purpose I/O
Контакт D3	RD10 — General purpose I/O
Контакт D4	RD11 — General purpose I/O
Контакт D5	RD0 — General purpose I/O
Контакт D6	RD1 — General purpose I/O
Контакт D7	RD2 — General purpose I/O
Контакт D8	RD3 — General purpose I/O
Контакт D9	RD4 — General purpose I/O
Контакт D10	RD5 — General purpose I/O
Контакт D11	RD6 — General purpose I/O
Контакт E1	RD7 — General purpose I/O
Контакт E2	RC1 — General purpose I/O
Контакт E3	RC2 — General purpose I/O
Контакт E4	RC3 — General purpose I/O
Контакт E5	RC4 — General purpose I/O
Контакт E6	VDD — Supply voltage
Контакт E7	VSS — Ground
Контакт E8	RF0 — General purpose I/O
Контакт E9	RF1 — General purpose I/O
Контакт E10	RE0 — General purpose I/O
Контакт E11	RE1 — General purpose I/O
Контакт F1	RE2 — General purpose I/O
Контакт F2	RE3 — General purpose I/O
Контакт F3	RE4 — General purpose I/O
Контакт F4	RE5 — General purpose I/O
Контакт F5	RE6 — General purpose I/O
Контакт F6	RE7 — General purpose I/O
Контакт F7	RG4 — General purpose I/O
Контакт F8	RG5 — General purpose I/O
Контакт F9	AVDD — Analog supply voltage
Контакт F10	AVSS — Analog ground
Контакт F11	RA4 — General purpose I/O
Контакт G1	RC14 — General purpose I/O
Контакт G2	RC15 — General purpose I/O
Контакт G3	RB0 — General purpose I/O / PGED1
Контакт G4	RB1 — General purpose I/O / PGEC1
Контакт G5	RB2 — General purpose I/O
Контакт G6	RB3 — General purpose I/O
Контакт G7	RB4 — General purpose I/O
Контакт G8	RB5 — General purpose I/O
Контакт G9	RB6 — General purpose I/O
Контакт G10	RB7 — General purpose I/O
Контакт G11	RA5 — General purpose I/O
Контакт H1	RB8 — General purpose I/O
Контакт H2	RB9 — General purpose I/O
Контакт H3	RB10 — General purpose I/O
Контакт H4	RB11 — General purpose I/O
Контакт H5	RB12 — General purpose I/O
Контакт H6	RB13 — General purpose I/O
Контакт H7	RB14 — General purpose I/O
Контакт H8	RB15 — General purpose I/O
Контакт H9	RA6 — General purpose I/O
Контакт H10	RA7 — General purpose I/O
Контакт H11	AVDD — Analog supply voltage
Контакт J1	VDD — Supply voltage
Контакт J2	VSS — Ground
Контакт J3	RC0 — General purpose I/O
Контакт J4	RD12 — General purpose I/O
Контакт J5	RD13 — General purpose I/O
Контакт J6	RD14 — General purpose I/O
Контакт J7	RD15 — General purpose I/O
Контакт J8	RC5 — General purpose I/O
Контакт J9	RC6 — General purpose I/O
Контакт J10	RC7 — General purpose I/O
Контакт J11	RC8 — General purpose I/O
Контакт K1	RC9 — General purpose I/O
Контакт K2	RC10 — General purpose I/O
Контакт K3	RC11 — General purpose I/O
Контакт K4	RC12 — General purpose I/O
Контакт K5	RC13 — General purpose I/O
Контакт K6	VDDCORE — Core voltage (internal regulator output)
Контакт K7	ENVREG — Voltage regulator enable
Контакт K8	VCAP — Voltage regulator bypass cap
Контакт K9	OSC1 — Crystal oscillator input
Контакт K10	OSC2 — Crystal oscillator output
Контакт K11	VSS — Ground

Типичное применение

PIC32MX460F256L-80V/BG подходит для 6 применениеs: USB Full-Speed Peripheral Device, USB On-The-Go Dual-Role Devices, Industrial Control and HMI, Embedded Web Server / IoT Gateway, Portable Data Loggers, Consumer Audio Devices.

🔌

USB Full-Speed Peripheral Device

The PIC32MX460F256L-80V/BG is purpose-built for USB full-speed (12 Mbps) peripheral applications such as HID controllers, CDC virtual COM ports, MSD readers, and audio class devices. Its integrated USB 2.0 OTG controller with on-chip PHY eliminates the external USB transceiver, reducing BOM by roughly 1 USD per board and saving board area for compact dongles and instrumentation front-ends. The dedicated DMA channel offloads USB endpoint memory transfers from the CPU, freeing MIPS for application logic. With 256KB Flash and 32KB RAM, the device comfortably runs Microchip's MLA or MPLAB Harmony USB stacks alongside custom application code; engineers typically reserve 50-60KB for stack and class drivers. The 80MHz MIPS M4K core provides 105 DMIPS, more than sufficient for USB polling latency requirements of 1ms in full-speed mode.

Рекомендуется

PIC32MX460F512L (Drop-in upgrade with 512KB Flash for larger USB stacks) PIC32MX460F256L-80I/BG · Microchip Technology PIC32MX450F256L (Lower-cost non-USB sibling for non-USB peripherals)

🔗

USB On-The-Go Dual-Role Devices

The PIC32MX460F256L-80V/BG supports USB OTG dual-role operation, making it ideal for devices that can act as either USB host or device depending on cable insertion, such as tablet accessories, industrial data loggers that import from USB sticks, or portable test instruments. The integrated OTG PHY handles session request protocol (SRP) and host negotiation protocol (HNP) without external circuitry. The 32KB SRAM accommodates USB host stack plus FAT32 file system buffers for mass-storage reads, while 256KB Flash holds both USB host and device stacks. Designers commonly pair this MCU with external level shifters for 5V VBUS handling; Microchip's PIC32MX OTG reference design demonstrates role-swap timing under 200 ms.

Рекомендуется

PIC32MX460F512L (Larger Flash for OTG + file system stacks) PIC32MX274F256B-I/SO · Microchip Technology

🏭

Industrial Control and HMI

With 16-channel 10-bit ADC (1 Msps), 5x 16-bit timers, 4 DMA channels, and the 121-ball TFBGA exposing the full GPIO/peripheral count, the PIC32MX460F256L-80V/BG fits mid-range industrial control applications including PLC I/O modules, motor-control auxiliary boards, sensor hubs, and human-machine interface (HMI) panels. The 10-bit ADC is adequate for temperature, pressure, and potentiometer feedback in HMI; the 80MHz core drives 320x240 QVGA TFTs with Microchip's gfx library. The V-temp -40C to +105C range covers most factory-floor enclosures, while MIPS16e code compression helps fit rich HMI graphics in 256KB Flash. Typical HMI tasks cycle in under 20ms with DMA handling ADC bursts in background.

Рекомендуется

PIC32MX460F256L-80I/BG · Microchip Technology PIC32MX450F256H-120/MR · Microchip Technology

🌐

Embedded Web Server / IoT Gateway

The 80MHz MIPS M4K core, 32KB RAM, and TCP/IP stack footprint make the PIC32MX460F256L-80V/BG a viable platform for lightweight embedded web servers, MQTT IoT gateways, and Ethernet-to-serial bridges. Microchip's Microchip Harmony TCP/IP stack plus HTTP server consumes roughly 30-40KB Flash with one TCP socket, leaving ample room for application logic and a small web UI. The four DMA channels allow efficient SPI/uart sensor polling without CPU intervention. Pair with an external ENC28J60 or MRF24WG0MA Wi-Fi transceiver over SPI; throughput of 2-3 Mbps is realistic at 80MHz. V-temp allows deployment in semi-outdoor enclosures.

Рекомендуется

ENC28J60-I/SP (External Ethernet PHY over SPI) PIC32MX460F512L (More Flash for richer embedded web stacks)

📊

Portable Data Loggers

The PIC32MX460F256L-80V/BG suits battery-powered data loggers measuring temperature, humidity, vibration, or other slow-changing signals. Its 16-channel 10-bit ADC multiplexed through the analog MUX captures multiple sensors with the four DMA channels moving conversion results to RAM without CPU wake-up, while the MIPS16e mode keeps active current low. The 32KB SRAM holds thousands of timestamped samples; an external SPI Flash or SD card extends storage. USB-OTG enables direct file offload to a PC host without a separate cable. With peripheral library sleep modes, average current can drop below 5mA, supporting weeks of logging on a 2000mAh Li-ion cell.

Рекомендуется

PIC32MX360F256L-80I/BG · Microchip Technology

🎧

Consumer Audio Devices

USB audio class 1.0 devices (headsets, speakers, microphones) are a natural fit for the PIC32MX460F256L-80V/BG thanks to its full-speed USB-OTG and 80MHz throughput. The MIPS M4K core handles 48 kHz / 16-bit stereo USB audio streaming over isochronous endpoints with cycles to spare for DSP effects or volume control. External I2S DACs connect over the two SPI ports reconfigured as I2S, and the 10-bit ADC supports line-input monitoring. 256KB Flash comfortably fits USB audio class drivers plus a small audio-processing library. V-temp allows operation in enclosed speaker cabinets under continuous load.

Рекомендуется

PIC32MX270F256B-I/SP (Newer low-power alternative for portable audio)

Сводка рекомендуемых товаров

PIC32MX460F512L Drop-in upgrade with 512KB Flash for larger USB stacks Используется в: USB Full-Speed Peripheral Device, USB On-The-Go Dual-Role Devices, Embedded Web Server / IoT Gateway PIC32MX460F256L-80I/BG Microchip Technology Используется в: USB Full-Speed Peripheral Device, Industrial Control and HMI PIC32MX450F256L Lower-cost non-USB sibling for non-USB peripherals Используется в: USB Full-Speed Peripheral Device PIC32MX274F256B-I/SO Microchip Technology Используется в: USB On-The-Go Dual-Role Devices PIC32MX450F256H-120/MR Microchip Technology Используется в: Industrial Control and HMI ENC28J60-I/SP External Ethernet PHY over SPI Используется в: Embedded Web Server / IoT Gateway PIC32MX360F256L-80I/BG Microchip Technology Используется в: Portable Data Loggers PIC32MX270F256B-I/SP Newer low-power alternative for portable audio Используется в: Consumer Audio Devices

What is the core architecture of PIC32MX460F256L-80V/BG?

The PIC32MX460F256L-80V/BG uses the MIPS32 M4K 32-bit RISC core running at up to 80MHz, delivering 105 DMIPS. According to the Microchip PIC32MX3XX/4XX family datasheet, the core is a 5-stage pipelined Harvard design with hardware multiply/divide, single-cycle MAC, and MIPS16e code compression for up to 40% smaller code size compared to standard MIPS32 mode.

How much Flash and RAM does PIC32MX460F256L-80V/BG have?

The PIC32MX460F256L-80V/BG integrates 256KB of Flash program memory (256K x 8) and 32KB of on-chip SRAM. This is consistent across the PIC32MX460 sub-family and is verified on the Microchip product page and distributor listings, providing enough headroom for USB stacks and mid-size embedded applications.

Does PIC32MX460F256L-80V/BG support USB On-The-Go?

Yes, the PIC32MX460F256L-80V/BG includes a USB 2.0 Full-Speed On-The-Go controller with integrated PHY and a dedicated DMA channel for USB-OTG traffic. This enables device, host, or dual-role (OTG) operation without an external PHY, reducing BOM cost for USB peripherals per Microchip's PIC32MX3XX/4XX family datasheet.

What package does PIC32MX460F256L-80V/BG use?

The PIC32MX460F256L-80V/BG comes in a 121-ball TFBGA package measuring 10x10 mm with 0.8 mm ball pitch, indicated by the BG suffix. This is the largest-pin-count option in the PIC32MX460 family, exposing the maximum peripheral set including full USB-OTG and 16 ADC channels.

What is the supply voltage range of PIC32MX460F256L-80V/BG?

The PIC32MX460F256L-80V/BG operates from 2.3V to 3.6V, with the -80V speed grade supporting 80MHz across the full range. According to the Microchip datasheet, a 2.5V or 3.3V rail is typical, and proper decoupling (100nF + 10uF bulk) near the VDDCORE pins is critical for stable operation.

What is the difference between PIC32MX460F256L-80V/BG and PIC32MX460F512L?

The PIC32MX460F256L-80V/BG has 256KB of Flash, while the PIC32MX460F512L has 512KB of Flash with the same MIPS M4K core, peripherals, and TFBGA package option. Both run at 80MHz and share the same datasheet, so the F512L variant is a drop-in upgrade for code-size headroom.

Where can I buy PIC32MX460F256L-80V/BG?

The PIC32MX460F256L-80V/BG is in production and stocked at major distributors including DigiKey (DigiKey product 2712387), Mouser, Microchip Direct, and Octopart. As of 2026-10-03, distributor pricing starts around 11.50 USD at qty-1 with volume discounts at 100/500/1000+ per the tier table.

What is the lead time for PIC32MX460F256L-80V/BG?

As of 2026-10-03, the PIC32MX460F256L-80V/BG shows 'Buy now, ships today' status on DigiKey, indicating immediate stock availability at distribution. Microchip Direct also lists the part as 'In Production' with no NRND/EOL notice, so lead time for large orders (10K+) typically runs 8-12 weeks from the factory.

Is PIC32MX460F256L-80V/BG suitable for industrial temperature range?

Yes, the -80V speed grade combined with the BG TFBGA package supports industrial temperature range of -40C to +105C per the Microchip PIC32MX3XX/4XX datasheet. For -40C to +125C extended-industrial, designers should verify the specific V grade thermal characterization with Microchip FAE support.

How does PIC32MX460F256L-80V/BG compare to PIC32MX450F256L?

Both share the MIPS M4K 80MHz core, 256KB Flash, 32KB RAM, and most peripherals, but the PIC32MX460 adds integrated USB-OTG with PHY, while the PIC32MX450 lacks USB. Choose PIC32MX460F256L-80V/BG when USB connectivity is required; choose PIC32MX450 if USB is unnecessary and you want lower BOM cost.

What is the best drop-in replacement for PIC32MX460F256L-80V/BG?

The best drop-in replacement is the PIC32MX460F256LT-80V/BG (tape-and-reel variant, same die and package). For code-size growth, the PIC32MX460F512L in the same 121-pin TFBGA is pin-compatible but doubles Flash to 512KB. The 'T' suffix variants share identical silicon per Microchip's ordering nomenclature.

Can a PIC32MX USB device be replaced by an STM32?

Cross-brand replacements such as STM32F103 or STM32F4 in compatible pin counts are NOT drop-in for PIC32MX460F256L-80V/BG because of differing pin assignments, different USB peripheral architecture, and different toolchain (MPLAB vs STM32CubeIDE). A cross-brand swap requires PCB rework, firmware porting, and USB stack rewrite.

Where do I download the PIC32MX460F256L-80V/BG datasheet PDF?

The PIC32MX460F256L-80V/BG datasheet PDF is available from Microchip's product page at microchip.com/en-us/product/PIC32MX460F256L. It is also mirrored on all datasheet.com and alldatasheet.com repositories. The family reference manual (DS61143) covers the full PIC32MX3XX/4XX register set and electrical characteristics.

Where do I find the PIC32MX460F256L-80V/BG pinout?

The 121-ball TFBGA pinout is shown in Section 10 of the PIC32MX3XX/4XX family datasheet (DS61143) available from Microchip. The pinout PDF lists ball A1 through ball U11 with each ball's function (VDD, VSS, GPIO, USB_DP, USB_DM, ADC, etc.) on the matching 10x10 mm BGA land pattern.

What tools support PIC32MX460F256L-80V/BG development?

The PIC32MX460F256L-80V/BG is fully supported by Microchip's MPLAB X IDE, MPLAB Harmony v3 framework, MPLAB Code Configurator (MCC), and legacy MLA USB stack. Programming/debug is handled by MPLAB PICkit 5, ICD 4, or Snap in-circuit debuggers via the 2-wire ICSP interface.

Справочные инженерные данные для PIC32MX460F256L-80V/BG — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the PIC32MX460F256L-80V/BG when you need a 32-bit MCU with USB-OTG, the full peripheral set, and 256KB Flash in the 121-ball TFBGA package for industrial temperature deployment. Choose the PIC32MX460F256L-80I/BG if your environment stays below +85C and you want the slightly lower-cost I-grade. Choose the PIC32MX460F512L-80V/BG if your firmware is approaching 256KB Flash and you need headroom for richer stacks. Choose the PIC32MX360F256L-80V/BG if you do not need USB and want to save roughly 1.5 USD per unit - same 80MHz core and pinout but no USB. All alternatives share the same 121-ball TFBGA footprint, enabling layout reuse across USB/no-USB and Flash-size variants.

Сравнение с аналогами

Параметр	Этот товар	PIC32MX460F256LT-80V/BG	PIC32MX460F256L-80I/BG	PIC32MX460F512L-80V/BG	PIC32MX460F256LT-80I/BG	PIC32MX360F512L-80V/BG	PIC32MX360F256L-80V/BG
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Package	121-ball TFBGA (10x10 mm)	121-ball TFBGA (10x10 mm) - same	121-ball TFBGA (10x10 mm) - same	121-ball TFBGA (10x10 mm) - same	121-ball TFBGA (10x10 mm) - same	121-ball TFBGA (10x10 mm) - same	121-ball TFBGA (10x10 mm) - same
Core / Max Frequency	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz	MIPS M4K / 80 MHz
Flash Memory	256 KB	256 KB	256 KB	512 KB (+100%)	256 KB	512 KB (+100%)	256 KB
SRAM	32 KB	32 KB	32 KB	32 KB	32 KB	32 KB	32 KB
USB-OTG	Yes (with PHY)	Yes (with PHY)	Yes (with PHY)	Yes (with PHY)	Yes (with PHY)	No USB	No USB
Operating Temperature (V/I grade)	-40C to +105C (V)	-40C to +105C (V)	-40C to +85C (I)	-40C to +105C (V)	-40C to +85C (I)	-40C to +105C (V)	-40C to +105C (V)
ADC Channels / Resolution	16 ch / 10-bit	16 ch / 10-bit	16 ch / 10-bit	16 ch / 10-bit	16 ch / 10-bit	16 ch / 10-bit	16 ch / 10-bit

Ключевые отличия

Highest-density package exposes maximum peripherals (против PIC32MX360F256L-80I/BG (100-pin TQFP variants))
Integrated USB-OTG with on-chip PHY (против PIC32MX360F256L-80V/BG)
Industrial V-grade temperature option (-40C to +105C) (против PIC32MX460F256L-80I/BG)

Заметки по проектированию

The 121-ball TFBGA (10x10 mm, 0.8 mm pitch) requires 4-layer PCB with microvia stackups (HDI) for reliable assembly. Escape-route the inner balls using 0.15 mm trace/space on the top layer with via-in-pad or dog-bone fan-out. Match the USB D+/D- pair to 90 ohm differential impedance with length matching within 150 mils per the Microchip PIC32MX USB hardware design checklist. Place 100nF decoupling within 2 mm of every VDD pin and a 10uF bulk near the IC.

The PIC32MX460F256L-80V/BG requires a single 2.3-3.6V supply on VDD pins plus a stable VDDCORE output. The internal 1.8V regulator requires a 10uF low-ESR ceramic capacitor on the VCAP pin (typically X5R/X7R) placed within 5 mm. The ENVREG pin should be tied to VDD (not floated) to enable the regulator. During USB bus-powered designs, ensure VBUS detection triggers before enumeration and that VUSB has its own 100nF + 4.7uF decoupling to handle USB inrush current.

Common pitfalls with the PIC32MX460 series include: (1) forgetting to configure JTAG/TRACE pins as GPIO via CFGCON register to free RB7-RB10 for application use; (2) failing to commit the Flash wait-state to match CPU speed (80MHz requires 2 wait states for Flash access); (3) not enabling the peripheral's analog/digital select (ANSEL) registers before using ADC inputs; (4) connecting ICSP pins (PGEC1/PGED1) directly to application circuitry without isolating for in-circuit programming.

At 80MHz in the 121-ball TFBGA (BG), typical core current is 50-70 mA active plus 20 mA for peripherals. Use the JEDEC EIA/JESD51 standard theta-JA of approximately 30 C/W for the 10x10 mm BGA on a 4-layer JEDEC test board. For sealed enclosures, derate by 30-40% and provide thermal vias under the exposed center balls. For V-temp applications, validate at 105C ambient in chamber for at least 48 hours to catch thermal-induced timing drift in USB and ADC paths.

Информация о соответствии

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Без свинца

Yes

Без галогенов

Yes

Конфликтные минералы

Compliant

RoHS and REACH compliance per Microchip product page; lead-free BG package; AEC-Q100 not applicable for consumer/industrial MCU - not automotive qualified

Данные проверены: 2026-10-03 — данные проверены и курируются командой компонентной инженерии XAIPART

Источники: Distributor, Manufacturer Product Page, Distributor, Manufacturer Datasheet, Octopart, Distributor

Связанные компоненты & термины

Microchip Technology PIC32MX460F256L-80V/BG PIC32MX460F256LT-80V/BG PIC32MX460F256L-80I/BG PIC32MX460F512L-80V/BG PIC32MX360F512L-80V/BG PIC32MX360F256L-80V/BG PIC32 32-bit microcontroller MCU MIPS M4K MIPS32 MIPS16e USB 2.0 On-The-Go USB OTG TFBGA 121-ball BGA RoHS REACH MPLAB X IDE MPLAB Harmony PICkit 5 ICD 4 10-bit ADC DMA V-temp industrial