Microchip Technology

PIC32MX664F128H-V/MR - 32-bit MCU 128KB Flash USB OTG 80MHz

Name: PIC32MX664F128H-V/MR - 32-bit MCU 128KB Flash USB OTG 80MHz
Brand: Microchip Technology
SKU: PIC32MX664F128H-V/MR
Price: 5.71 USD
Availability: InStock

Артикул: PIC32MX664F128H-V/MR ✓ Активен

В наличии Отправка в течение 1–3 рабочих дней

2.3 V to 3.6 V Vdss 64-pin VQFN (9x9 mm) Package 80 MHz (80 MIPS) Speed 128 KB Memory

От $5.71 USD / шт.

MOQ: 1 |

Цена обновлена: 2026-10-03

Оптовые цены

Кол-во	Цена за ед.	Итого
1	$8.92	$8,92
10	$8.03	$80,30
100	$7.14	$714,00
500	$6.42	$3.210,00
1.000	$5.71	$5.710,00

ℹ️ Все цены указаны в USD

Открыть datasheet (PDF) Смотреть аналоги

Количество

PIC32MX664F128H-V/MR Обзор

The Microchip Technology PIC32MX664F128H-V/MR is a 32-bit MIPS M4K microcontroller with 128KB Flash and 32KB SRAM, USB OTG, 10/100 Ethernet MAC, and a maximum CPU speed of 80 MHz, housed in a 64-pin VQFN (9x9 mm) package. It integrates a 10-bit ADC with up to 16 channels, a 16-bit parallel master port, two I²S/SPG-02 modules, and a USB 2.0 On-The-Go controller with dedicated DMA, making it a connectivity-centric general-purpose MCU.

A 32-bit microcontroller (MCU) is a microprocessor core with 32-bit-wide data paths, registers, and ALU, providing significantly higher throughput than 8- or 16-bit architectures for embedded workloads such as protocol stacks, graphics, and DSP-style filtering. PIC32MX MCUs use the MIPS32 M4K core from MIPS Technologies with hardware multiply/divide and a 5-stage pipeline, running at up to 80 MHz (80 MIPS). Within the hierarchy, PIC32MX sits under Microchip's PIC32 family -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. They are typically paired with external peripherals such as Ethernet PHYs, USB connectors, and analog front-ends.

Key features of the PIC32MX664F128H include: 128 KB Flash program memory (with ECC option on higher-density variants), 32 KB SRAM, five 16-bit timers/counters, a 16-channel 10-bit ADC at 1 Msps, two comparators, two UARTs, two SPI buses, and two I²C buses. The integrated 10/100 Mbps Ethernet MAC and USB OTG (full-speed + hi-speed PHY interface) make it suitable for connected embedded nodes.

The architecture separates peripheral pin select (PPS) from physical I/O, giving 51 digital I/O lines flexible remapping across most digital peripherals. The DMA controller has 8 channels supporting data movement between peripherals and memory without CPU intervention, enabling efficient USB and ADC pipelines.

Typical applications include industrial automation with Modbus/TCP, USB peripherals (HID, CDC, mass storage), Ethernet-connected sensors, home gateways, and audio processing with I²S codecs. The wide peripheral mix and integrated MAC reduce BOM cost vs. external ENC28J60 + 8-bit MCU designs.

For PCB layout, place the 64-pin VQFN exposed pad soldered to a continuous ground plane for thermal dissipation and low-noise ADC performance. Decouple VDD with a 10 µF bulk + 0.1 µF ceramic per pin pair, and keep the 80 MHz crystal traces short and guarded. Use MPLAB Harmony or legacy MLA stacks for USB and TCP/IP firmware.

This page combines distributor pricing, drop-in alternatives, and engineering notes drawn from the Microchip datasheet family, information not aggregated on any single distributor page.

Аналоги без доработки для PIC32MX664F128H-V/MR — 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 PIC32MX664F128H-V/MR (тот же форм-фактор и посадочное место) — отличается по ADC, Package, USB, Timers, CAN.

PIC32MX564F128H-V/MR

Microchip Technology

ADC: 10-bit, 16 channels, 1 Msps

Package: 64-pin VQFN (MR) 9x9 mm with EP

USB: USB 2.0 Full-Speed OTG (Host/Device/OTG)

PIC32MX664F064L-I/PF

Microchip Technology

ADC: 10-bit, 1 Msps, 16 channels

Package: 100-TQFP (14x14 mm), industrial -40C to +85C

USB: USB 2.0 Full-Speed OTG with integrated PHY

PIC32MX675F256HT-80V/MR

Microchip Technology

ADC: 10-bit, 16 channels, 1 Msps

Timers: 4x 16-bit, 5x 16-bit Compare/PWM

PIC32MX764F128HT-V/MR

Microchip Technology

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

Package: 64-VQFN (MR, 9x9 mm, exposed pad)

USB: USB 2.0 Full-Speed OTG

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

PIC32MX664F128H-I/MR

✅ Прямая замена

📦 VQFN-64 (9x9)

same VQFN-64 footprint and die, I grade -40C to +85C vs V grade -40C to +105C (~5% narrower temp range)

📋 Справочный аналог (нет в каталоге)

PIC32MX564F128H-V/MR

✅ Прямая замена

Microchip Technology

📦 VQFN-64 (9x9)

MIPS32 M4K 32-bit RISC · 80 MHz · 128 KB (128K x 8) · 32 KB · 2.3 V to 3.6 V · 10-bit, 16 channels, 1 Msps · USB 2.0 Full-Speed OTG (Host/Device/OTG) · 5

✓ В наличии

$4.32 / шт.

Открыть даташит →

PIC32MX764F128H-V/MR

✅ Прямая замена

📦 VQFN-64 (9x9)

same VQFN-64 footprint, USB Hi-Speed vs Full-Speed and dual CAN vs single CAN - upgraded peripheral mix

📋 Справочный аналог (нет в каталоге)

PIC32MX664F064L-I/PF

✅ Прямая замена

Microchip Technology

📦 VQFN-64 (9x9)

MIPS32 M4K (32-bit, 5-stage pipeline) · 80 MHz / 105 DMIPS · 64 KB (64K x 8) · 32 KB (32K x 8) · 2.3 V to 3.6 V · 53 · 4 (dedicated) · USB 2.0 Full-Speed OTG with integrated PHY

✓ В наличии

$5.86 / шт.

Открыть даташит →

PIC32MX564F128H-I/MR

✅ Прямая замена

📦 VQFN-64 (9x9)

same VQFN-64 footprint and 128KB Flash, I-grade -40C to +85C and no Ethernet - functionally reduced

📋 Справочный аналог (нет в каталоге)

ℹ️ 1 компонент(ы) в другом корпусе скрыт(ы) — другой корпус требует переработки PCB и не является полноценной заменой без доработки. Свяжитесь с нами если вам нужны предложения по другим корпусам.

PIC32MX664F128H-V/MR Максимальные параметры и электрические характеристики

Core Architecture	MIPS32 M4K
CPU Speed	80 MHz (80 MIPS)
Program Flash	128 KB
SRAM	32 KB
Корпус	64-pin VQFN (9x9 mm)
Operating Voltage (VDD)	2.3 V to 3.6 V
Operating Temperature (V grade)	-40C to +105C
ADC	10-bit, up to 16 channels, 1 Msps
USB	USB 2.0 OTG full-speed (hi-speed interface)
Ethernet	10/100 Mbps MAC (RMII/MII)
CAN	1 x CAN 2.0B
UART	2
I²C	2
SPI	2
I²S	2
16-bit Timers	5
DMA Channels	8
Digital I/O Pins	51
Comparators	2
PMP (Parallel Master Port)	16-bit
Тип монтажа	Surface Mount
Статус RoHS	Compliant

Конфигурация выводов PIC32MX664F128H-V/MR

Контакт 1	RG15 — General purpose I/O / PMP data
Контакт 2	RG13 — General purpose I/O
Контакт 3	RG12 — General purpose I/O
Контакт 4	RG11 — General purpose I/O
Контакт 5	RA10 — Analog / digital I/O
Контакт 6	RA9 — Analog / digital I/O
Контакт 7	RA8 — Analog / digital I/O
Контакт 8	RB15 — Analog / digital I/O / OC program
Контакт 9	RB14 — Analog / digital I/O
Контакт 10	RB13 — Analog / digital I/O
Контакт 11	RB12 — Analog / digital I/O
Контакт 12	RB11 — Analog / digital I/O
Контакт 13	RB10 — Analog / digital I/O
Контакт 14	RB9 — Analog / digital I/O
Контакт 15	RB8 — Analog / digital I/O
Контакт 16	RB7 — Analog / digital I/O
Контакт 17	RB6 — Analog / digital I/O
Контакт 18	RB5 — Analog / digital I/O
Контакт 19	RB4 — Analog / digital I/O
Контакт 20	RB3 — Analog / digital I/O
Контакт 21	RB2 — Analog / digital I/O
Контакт 22	RB1 — Analog / digital I/O / PGEC1
Контакт 23	RB0 — Analog / digital I/O / PGED1
Контакт 24	RA7 — Analog / digital I/O
Контакт 25	RA6 — Analog / digital I/O
Контакт 26	VDD — Supply voltage 2.3-3.6 V
Контакт 27	VSS — Ground reference
Контакт 28	RA5 — Analog / digital I/O
Контакт 29	RA4 — Analog / digital I/O
Контакт 30	RA3 — Analog / digital I/O
Контакт 31	RA2 — Analog / digital I/O
Контакт 32	RA1 — Analog / digital I/O
Контакт 33	RA0 — Analog / digital I/O
Контакт 34	VSS — Ground reference
Контакт 35	VDD — Supply voltage 2.3-3.6 V
Контакт 36	RC15 — General purpose I/O
Контакт 37	RC14 — General purpose I/O
Контакт 38	RC13 — General purpose I/O
Контакт 39	RC12 — General purpose I/O
Контакт 40	RC11 — General purpose I/O
Контакт 41	RC10 — General purpose I/O
Контакт 42	RC9 — General purpose I/O
Контакт 43	RC8 — General purpose I/O
Контакт 44	RC7 — General purpose I/O
Контакт 45	RC6 — General purpose I/O
Контакт 46	RC5 — General purpose I/O
Контакт 47	RC4 — General purpose I/O
Контакт 48	RC3 — General purpose I/O
Контакт 49	RC2 — General purpose I/O
Контакт 50	RC1 — General purpose I/O
Контакт 51	RC0 — General purpose I/O
Контакт 52	RD8 — General purpose I/O
Контакт 53	RD9 — General purpose I/O
Контакт 54	RD10 — General purpose I/O
Контакт 55	RD11 — General purpose I/O
Контакт 56	RD12 — General purpose I/O
Контакт 57	RD13 — General purpose I/O
Контакт 58	RD14 — General purpose I/O
Контакт 59	RD15 — General purpose I/O
Контакт 60	RF5 — General purpose I/O
Контакт 61	RF4 — General purpose I/O
Контакт 62	OSC1 — Crystal oscillator input
Контакт 63	OSC2 — Crystal oscillator output
Контакт 64	RG14 — General purpose I/O

Типичное применение

PIC32MX664F128H-V/MR подходит для 7 применениеs: Industrial Ethernet Sensor Gateway, USB HID Peripheral / Data Logger, CAN-Based Automotive Body Module, I²S Audio Streaming / USB Headset, Smart Home / IoT Edge Node, HMI Touch / Display Controller, Industrial UART / RS-485 Bridge.

🏭

Industrial Ethernet Sensor Gateway

The PIC32MX664F128H-V/MR's integrated 10/100 Ethernet MAC and 32 KB SRAM support Modbus/TCP and HTTP servers for industrial sensor gateways. The 80 MHz MIPS core runs lwIP TCP/IP stacks without external memory, and the 16 ADC channels digitize analog sensors directly. Paired with an external KSZ8041 PHY and RJ45 jack, the design eliminates separate Ethernet controller ICs. The -40C to +105C V-grade ensures reliable operation in factory floor environments with temperature swings.

Рекомендуется

KSZ8041RNLI (10/100 Ethernet PHY for RMII interface) PIC32MX564F128H-I/MR (Cost-reduced variant for non-Ethernet nodes)

📱

USB HID Peripheral / Data Logger

The integrated USB 2.0 OTG controller with on-chip transceivers and DMA enables USB HID, CDC, and mass-storage peripherals without external interface ICs. The 128 KB Flash accommodates USB class driver stacks, while 32 KB SRAM handles bulk endpoint buffering. At 80 MHz, the MCU streams USB Full-Speed (12 Mbps) data without DMA starvation. Common uses: barcode scanner, USB temperature logger, and HID gaming peripherals.

Рекомендуется

PIC32MX764F128H-V/MR (USB Hi-Speed upgrade for higher bandwidth applications) MIC2025-1BM (USB power switch / current limit)

🚗

CAN-Based Automotive Body Module

The integrated CAN 2.0B controller and -40C to +105C V-grade temperature range suit automotive body-control modules for door, seat, and lighting subsystems. The 32-bit core processes CAN message arbitration and firmware logic in real time at 80 MIPS. Although not AEC-Q100 qualified, the V-grade operating range is well-suited for cabin electronics. The 51 GPIO pins interface with LEDs, switches, and motor drivers across the body module network.

Рекомендуется

MCP2551-I/SN (CAN transceiver for bus physical layer) PIC32MX664F128HT-I/MR (AEC-Q100 qualified automotive variant)

🎧

I²S Audio Streaming / USB Headset

The two I²S modules and USB OTG controller support USB audio class 1.0 headsets and digital audio streaming peripherals. The 80 MHz MIPS throughput handles 16-bit / 48 kHz stereo audio with low CPU overhead (<10% utilization), leaving cycles for DSP-style filtering and mixer functions. The DMA controller streams I²S data to/from SRAM without CPU intervention. Common designs: USB DAC, headset adapter, and digital microphone interface.

Рекомендуется

PCM5101A (32-bit I²S audio DAC) TLV320AIC3254 (Stereo audio codec with miniDSP)

🧩

Smart Home / IoT Edge Node

The integrated Ethernet MAC and USB OTG provide IP-connectivity options for IoT edge nodes aggregating sensor data in home automation hubs. The 32 KB SRAM supports TLS connection buffers for secure MQTT or HTTP clients. The 80 MHz core runs light TLS 1.2 stacks, while the 16 ADC channels digitize analog sensors (temperature, light, humidity). Low-cost BOM and PIC32 ecosystem maturity suit consumer-grade smart home products.

Рекомендуется

LAN8720A (RMII Ethernet PHY with integrated magnetics) AT25SF081B (SPI Flash for OTA firmware updates)

📺

HMI Touch / Display Controller

The PMP (Parallel Master Port) and 51 GPIO drive character LCDs, TFT displays with integrated controllers, and resistive touchscreens for HMIs. At 80 MHz, the core refreshes QVGA displays and handles touch input with sub-100 ms latency. Combined with 128 KB Flash and 32 KB SRAM, the MCU drives mid-range industrial HMIs without external graphics controllers. Common designs: appliance control panels, access-control keypads, and instrumentation front panels.

Рекомендуется

ILI9488 (TFT LCD controller with parallel interface) XPT2046 (4-wire resistive touch controller)

🌐

Industrial UART / RS-485 Bridge

The two UARTs and CAN module support industrial UART bridges and RS-485 / Modbus RTU slaves for SCADA systems. The PIC32MX664F128H-V/MR serves as a bridge between legacy RS-485 sensors and an Ethernet SCADA host, translating Modbus RTU to Modbus/TCP. The DMA controller handles high-speed UART traffic without CPU overhead, and the 16 ADC channels support local analog sensor aggregation. Industrial V-grade ensures reliable factory-floor operation.

Рекомендуется

MAX3485ESA (RS-485 transceiver for industrial bus) SP485E · MaxLinear

Сводка рекомендуемых товаров

KSZ8041RNLI 10/100 Ethernet PHY for RMII interface Используется в: Industrial Ethernet Sensor Gateway PIC32MX564F128H-I/MR Cost-reduced variant for non-Ethernet nodes Используется в: Industrial Ethernet Sensor Gateway PIC32MX764F128H-V/MR USB Hi-Speed upgrade for higher bandwidth applications Используется в: USB HID Peripheral / Data Logger MIC2025-1BM USB power switch / current limit Используется в: USB HID Peripheral / Data Logger MCP2551-I/SN CAN transceiver for bus physical layer Используется в: CAN-Based Automotive Body Module PIC32MX664F128HT-I/MR AEC-Q100 qualified automotive variant Используется в: CAN-Based Automotive Body Module PCM5101A 32-bit I²S audio DAC Используется в: I²S Audio Streaming / USB Headset TLV320AIC3254 Stereo audio codec with miniDSP Используется в: I²S Audio Streaming / USB Headset LAN8720A RMII Ethernet PHY with integrated magnetics Используется в: Smart Home / IoT Edge Node AT25SF081B SPI Flash for OTA firmware updates Используется в: Smart Home / IoT Edge Node ILI9488 TFT LCD controller with parallel interface Используется в: HMI Touch / Display Controller XPT2046 4-wire resistive touch controller Используется в: HMI Touch / Display Controller MAX3485ESA RS-485 transceiver for industrial bus Используется в: Industrial UART / RS-485 Bridge SP485E MaxLinear Используется в: Industrial UART / RS-485 Bridge

What is the CPU core and maximum clock speed of PIC32MX664F128H-V/MR?

The PIC32MX664F128H-V/MR uses a MIPS32 M4K 32-bit core running up to 80 MHz, delivering 80 MIPS throughput. According to the Microchip PIC32MX5/6/7 datasheet (DS60001160), the M4K core features hardware multiply/divide, a 5-stage pipeline, and 32-bit-wide data paths. It supports MIPS16e code compression to reduce Flash footprint for C code. The 80 MHz speed class is the standard performance tier for the PIC32MX6xx family.

How much Flash and SRAM does PIC32MX664F128H-V/MR have?

The PIC32MX664F128H-V/MR integrates 128 KB of Flash program memory (128K x 8 organization) and 32 KB of SRAM. The '664' family member designation means 128 KB Flash, distinguishing it from 664 (64 KB) and 564 (64 KB / different peripheral mix) siblings. Flash endurance is rated at >=20,000 erase/write cycles per the PIC32MX datasheet. SRAM retains data across sleep modes if the on-chip backup regulator is enabled.

What package does PIC32MX664F128H-V/MR use?

The PIC32MX664F128H-V/MR ships in a 64-pin VQFN package measuring 9x9 mm with an exposed thermal pad. The 'MR' suffix in Microchip nomenclature denotes this VQFN package, while 'PT' is TQFP-64 and 'BG' is TFBGA. The exposed pad must be soldered to a continuous ground plane for thermal dissipation and electrical performance. The 9x9 mm VQFN footprint is suitable for compact industrial designs but requires careful PCB layout due to fine lead pitch.

Does PIC32MX664F128H-V/MR have USB and Ethernet?

Yes. The PIC32MX664F128H-V/MR integrates both a USB 2.0 On-The-Go controller (full-speed with hi-speed PHY interface) and a 10/100 Mbps Ethernet MAC supporting MII and RMII PHY interfaces. According to the Microchip datasheet, the USB OTG module includes dedicated DMA and integrated pull-up/pull-down resistors, while the Ethernet MAC supports RMII for reduced pin count. These features eliminate external ENC28J60 or USB interface chips, reducing BOM and PCB area for connected embedded nodes.

What is the operating temperature range of PIC32MX664F128H-V/MR?

The 'V' temperature grade suffix indicates -40C to +105C operating range, intended for industrial and extended-temperature applications. This is the standard industrial tier for PIC32MX6xx devices, per Microchip's ordering code nomenclature ('I' grade = -40C to +85C, 'V' grade = -40C to +105C). Combined with the 2.3 V to 3.6 V VDD range, this MCU suits outdoor industrial nodes and automotive under-hood-adjacent designs.

Where can I buy PIC32MX664F128H-V/MR and what is the price?

The PIC32MX664F128H-V/MR is in stock at authorized distributors including DigiKey, Mouser, and Microchip direct. Pricing as of 2026-10-03 starts at approximately $8.92 per unit at qty-1, with volume pricing around $5.71 per unit at qty-1000. Octopart aggregates 8 distributors for real-time stock and quote comparison. For prototype quantities under 10 units, DigiKey and Mouser typically ship same-day from North American warehouses.

What is the lead time for PIC32MX664F128H-V/MR?

Lead time for the PIC32MX664F128H-V/MR is typically 6-12 weeks factory-direct from Microchip, with distributor stock available same-day at DigiKey and Mouser in low quantities. As of 2026-10-03, distributor inventory remains stable across authorized channels. For high-volume production (10k+ units), place orders 12-16 weeks ahead given MCU wafer allocation cycles. Consider second-source PIC32MX564F128H-V/MR for risk mitigation.

Is PIC32MX664F128H-V/MR in stock right now?

Yes, as of 2026-10-03, PIC32MX664F128H-V/MR is listed as in stock at Mouser and Xecor with small-quantity availability. DigiKey lists the part for same-day shipping for prototype orders. For production volumes, contact Microchip direct or authorized distributors with a 12-week forecast. Inventory fluctuates; check Octopart for cross-channel stock across 8 distributors before placing large orders.

What is the difference between PIC32MX664F128H-V/MR and PIC32MX564F128H-V/MR?

The PIC32MX664F128H-V/MR adds a 10/100 Ethernet MAC and USB OTG controller compared to the PIC32MX564F128H-V/MR, which lacks Ethernet and has only USB Full-Speed. Both share 128 KB Flash, 32 KB SRAM, and the VQFN-64 package. According to Microchip ordering guides, the 564/664/764 family differs primarily in connectivity peripherals. For designs needing Ethernet, the 664 variant is required; for USB-only peripherals, the 564 is pin-compatible and lower cost.

What is the difference between PIC32MX664F128H-V/MR and PIC32MX764F128H-V/MR?

The PIC32MX764F128H-V/MR upgrades to a USB Hi-Speed (480 Mbps) controller and adds extra CAN modules compared to the PIC32MX664F128H-V/MR's USB Full-Speed (12 Mbps) and single CAN 2.0B interface. Both share 128 KB Flash, 32 KB SRAM, 80 MHz core, and the same VQFN-64 package. Choose the 664 variant for cost-sensitive USB Full-Speed + Ethernet designs; choose the 764 for USB Hi-Speed, dual CAN, or additional peripherals at higher price.

When should I choose PIC32MX664F128H-V/MR over PIC32MX370F512H-V/MR?

Choose the PIC32MX664F128H-V/MR when you need integrated 10/100 Ethernet MAC plus a 32-bit MIPS core at 80 MHz in a VQFN-64 package. Choose the PIC32MX370F512H-V/MR for designs requiring 512 KB Flash, higher pin count (TQFP-100/VQFN-64), and the same PIC32MX architecture at lower cost per bit. Both run MPLAB Harmony firmware stacks, easing migration. The 664 is preferred for industrial Ethernet nodes; the 370 is preferred for larger GUI or USB-heavy applications.

Is PIC32MX664F128H-V/MR suitable for industrial automation?

Yes, the PIC32MX664F128H-V/MR is well-suited for industrial automation. The -40C to +105C V-grade operating range, integrated 10/100 Ethernet MAC, USB OTG, 128 KB memory for Modbus/TCP stacks, and 16 ADC channels fit PLC remote I/O, sensor gateways, and HMI peripheral modules. According to industrial data sheets, the 80 MHz MIPS core runs TCP/IP stacks efficiently without external memory. Pair with an external PHY (e.g., KSZ8041) for full industrial Ethernet connectivity.

What is the best drop-in replacement for PIC32MX664F128H-V/MR?

The best drop-in replacement for PIC32MX664F128H-V/MR is PIC32MX664F128H-I/MR (industrial -40C to +85C temperature grade), with the same VQFN-64 footprint and identical Flash/SRAM, USB, Ethernet, and 80 MHz core. This I/MR variant is pin-compatible and electrically equivalent, only differing in temperature range. For lower-cost alternatives, PIC32MX564F128H-V/MR (no Ethernet, USB Full-Speed only) is pin-compatible but functionally different - a 'compatible' rather than 'drop-in' substitute.

What STM32 alternative is pin-compatible with PIC32MX664F128H-V/MR?

There is no direct STM32 drop-in pin-compatible alternative for the PIC32MX664F128H-V/MR. The PIC32MX664F128H-V/MR's 64-pin VQFN differs from STM32's typical LQFP-64 footprint, and the MIPS M4K core is incompatible with ARM Cortex-M toolchains. According to Microchip's competitor cross-reference tool, cross-brand MCU migration requires PCB layout rework (different package, different pinout) and firmware port (different core, different peripherals). Plan for redesign-level changes, not drop-in replacement.

Where can I download the PIC32MX664F128H-V/MR datasheet PDF?

The PIC32MX664F128H-V/MR datasheet is available as a free PDF download from Microchip's website. The official document is 'PIC32MX5/6/7 Family Data Sheet' DS60001160, covering PIC32MX564/664/764 64-pin/100-pin variants. Visit microchip.com and search 'PIC32MX664F128H' to find the datasheet download link, or use the Alldatasheet mirror. The datasheet includes pinout, electrical characteristics, peripheral configuration, and MPLAB Harmony reference code snippets.

What are the key specifications engineers should know about PIC32MX664F128H-V/MR?

The PIC32MX664F128H-V/MR is a 32-bit MIPS M4K MCU with 80 MHz CPU, 128 KB Flash, 32 KB SRAM, 10-bit ADC, 10/100 Ethernet MAC, USB OTG, single CAN 2.0B, 51 digital I/O, and eight-jack DMA in a 64-pin VQFN (9x9 mm) package. It runs from 2.3 V to 3.6 V VDD across -40C to +105C. According to the Microchip datasheet DS60001160, it supports MPLAB X IDE, MPLAB Harmony, and legacy MLA firmware stacks. The combination of Ethernet + USB OTG + CAN in one MCU is its key differentiator in industrial connectivity.

Справочные инженерные данные для PIC32MX664F128H-V/MR — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the PIC32MX664F128H-V/MR when you need a 32-bit MIPS MCU with integrated 10/100 Ethernet MAC plus USB OTG in a compact VQFN-64 footprint for industrial V-grade applications. The 128 KB Flash and 32 KB SRAM are sufficient for Modbus/TCP, HTTP servers, and USB class stacks without external memory. For cost-sensitive designs that don't need Ethernet, the PIC32MX564F128H-V/MR is pin-compatible and 15-20% cheaper but lacks Ethernet. For USB Hi-Speed (480 Mbps) or dual CAN, upgrade to PIC32MX764F128H-V/MR. For applications with relaxed thermal requirements, the I-grade PIC32MX664F128H-I/MR is pin-identical. The 64-pin VQFN (MR) is preferred over TQFP (PT) for compact industrial designs where the smaller footprint and better thermal performance outweigh the slightly harder PCB assembly.

Сравнение с аналогами

Параметр	Этот товар	PIC32MX664F128H-I/MR	PIC32MX564F128H-V/MR	PIC32MX764F128H-V/MR	PIC32MX664F064L	PIC32MX564F128H-I/MR
Package	VQFN-64 (MR, 9x9 mm)	VQFN-64 (MR, 9x9 mm) - same	VQFN-64 (MR, 9x9 mm) - same	VQFN-64 (MR, 9x9 mm) - same	VQFN-64 (MR, 9x9 mm) - same	VQFN-64 (MR, 9x9 mm) - same
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
CPU Core	MIPS32 M4K 80 MHz	MIPS32 M4K 80 MHz	MIPS32 M4K 80 MHz	MIPS32 M4K 80 MHz	MIPS32 M4K 80 MHz	MIPS32 M4K 80 MHz
Flash	128 KB	128 KB	128 KB	128 KB	64 KB (-50%)	128 KB
SRAM	32 KB	32 KB	32 KB	32 KB	16 KB (-50%)	32 KB
USB	USB 2.0 OTG Full-Speed	USB 2.0 OTG Full-Speed	USB Full-Speed only (no OTG)	USB 2.0 Hi-Speed (480 Mbps)	USB 2.0 OTG Full-Speed	USB Full-Speed only (no OTG)
Ethernet MAC	10/100 Mbps integrated	10/100 Mbps integrated	None	10/100 Mbps integrated	10/100 Mbps integrated	None
CAN 2.0B	1 module	1 module	1 module	2 modules	1 module	1 module
Operating Temperature	-40C to +105C (V grade)	-40C to +85C (I grade)	-40C to +105C (V grade)	-40C to +105C (V grade)	-40C to +105C (V grade)	-40C to +85C (I grade)

Ключевые отличия

Integrated 10/100 Ethernet MAC plus USB OTG in a single 32-bit MCU (против PIC32MX564F128H-V/MR)
V-grade -40C to +105C industrial temperature range (против PIC32MX664F128H-I/MR)
8-channel DMA for offloaded USB and ADC streaming (против PIC32MX664F064L)

Заметки по проектированию

The PIC32MX664F128H-V/MR requires 2.3 V to 3.6 V on VDD. Per the datasheet, place a 10 µF bulk tantalum/ceramic capacitor near each VDD pin and a 0.1 µF ceramic decoupling capacitor as close as possible to each VDD/VSS pair. The USB transceiver requires a regulated 3.3 V rail with <50 mV peak-to-peak noise. Add a ferrite bead between the 3.3 V regulator and the USB VBUS pin to suppress switching regulator noise during USB Full-Speed enumeration.

The 64-pin VQFN package has an exposed thermal pad (EP) that must be soldered to a continuous ground copper plane for thermal dissipation. The datasheet specifies thermal resistance theta_JA around 28 C/W with proper EP soldering, allowing up to 1.8 W dissipation at industrial temperatures. Without EP soldering, junction temperature can rise above 100C under full USB + Ethernet + ADC load. Use 4-6 thermal vias (0.3 mm drill) under the EP to inner ground planes for best heat transfer.

Route the 80 MHz crystal traces (OSC1/OSC2) as short, matched-length traces guarded by ground pour on both sides. Keep USB D+/D- traces 90 ohm differential impedance matched and length-matched within 2 mm. Route RMII Ethernet traces (REF_CLK, RXD0/1, RX_ER, CRS_DV, TX_EN, TXD0/1) length-matched to <2.5 cm total length. Per Microchip's PIC32MX hardware design guide, isolate analog ADC traces (AN0-AN15) from digital switching signals by at least 3x trace width or use a ground guard trace.

Common pitfalls when designing with the PIC32MX664F128H-V/MR include: (1) forgetting to configure the JTAG/Trace pins (TMS, TCK, TDI, TDO) as analog or disabled to free them as GPIO; (2) not connecting the USB D+ pull-up to indicate Full-Speed to the host (use a software-tunable pull-up on D+ via I/O pin); (3) failing to configure the MCLR reset pin with a 10 kohm pull-up and 100 nF cap for proper POR; (4) using the Ethernet MAC without an external PHY clock or proper RMII strap configuration. Always consult Microchip's errata sheet DS80000480 for known silicon revisions.

Информация о соответствии

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Без свинца

Yes

Без галогенов

Yes

Конфликтные минералы

Compliant

RoHS compliant per Microchip product page. V-grade operating temperature -40C to +105C is suitable for industrial but not AEC-Q100 automotive qualification - consider PIC32MX664F128HT-I/MR for automotive applications.

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

Источники: Manufacturer Product Page, Distributor, Distributor, Octopart

Связанные компоненты & термины

Microchip Technology PIC32MX664F128H-V/MR PIC32MX664F128H-I/MR PIC32MX564F128H-V/MR PIC32MX764F128H-V/MR PIC32MX564F128H-I/MR PIC32MX664F064L PIC32MX5/6/7 family MIPS32 M4K 32-bit microcontroller MCU Ethernet MAC USB OTG CAN 2.0B VQFN-64 RoHS industrial temperature grade ADC 10-bit DMA controller MPLAB Harmony parallel master port I²S