Microchip Technology

PIC32MX320F064HT-80V/MR - 32-bit MCU 64KB Flash 80MHz | Microchip

部品番号: PIC32MX320F064HT-80V/MR ✓ 生産中
在庫あり 1〜3営業日以内に発送
2.3 V to 3.6 V Vdss 64-pin VQFN (9x9 mm) with exposed pad Package 80 MHz Speed 64 KB Flash Memory
開始価格 $4.35 USD / 個
MOQ: 1 |
価格更新日: 2026-10-02
ボリューム価格
数量 単価 小計
1 $6.8 $6.80
10 $6.12 $61.20
100 $5.45 $545.00
500 $4.89 $2,445.00
1,000 $4.35 $4,350.00
ℹ️ すべての価格はUSDです

PIC32MX320F064HT-80V/MR 概要

The Microchip Technology PIC32MX320F064HT-80V/MR is a 32-bit RISC microcontroller based on the MIPS32 M4K core, featuring 64KB of Flash program memory and 16KB of SRAM, operating at up to 80 MHz in a 64-pin VQFN (9x9 mm) package with exposed thermal pad.

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one device. The PIC32MX family occupies the 32-bit performance tier of Microchip's PIC portfolio, positioned between the 8-bit PIC16/PIC18 line and the higher-end 32-bit PIC32MZ series, and typically used in embedded control, USB device, and graphics applications that exceed 8-bit capability but do not require DSP extensions.

Key features include a MIPS32 M4K 32-bit core with 5-stage pipeline, 80 MHz maximum operating frequency yielding 1.56 DMIPS/MHz performance, 64KB Flash with self-programming support, 16KB SRAM, a 10-bit 1 MSPS analog-to-digital converter with up to 16 channels, USB 2.0 full-speed device/host/OTG controller, two I2C, two SPI, and two UART modules, plus a Parallel Master Port for external memory or graphics interfaces.

The architecture uses a 5-stage pipeline with separate instruction and data Flash buses to deliver 1.56 DMIPS/MHz, enabling deterministic interrupt response for real-time control loops. The integrated USB 2.0 full-speed On-The-Go controller supports both device and host roles without an external PHY, while the Peripheral Pin Select (PPS) remapping allows flexible assignment of digital peripherals to physical I/O pins.

Typical applications include industrial control and HMI panels, USB peripherals such as barcode scanners and HID devices, embedded data acquisition systems, low-cost graphics terminals driving TFT LCDs, and consumer electronics requiring 32-bit performance with low BOM cost.

Designers should note that the '80V' suffix indicates the 80 MHz speed grade with V temperature range (-40C to +105C), and the 'T' suffix denotes Tape and Reel packaging. The MR suffix indicates the 64-pin VQFN package, while the parallel PIC32MX320F064H-80V/MR ships in tray packaging. The MR package requires careful thermal pad soldering and 0.5 mm pad pitch layout discipline.

This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes drawn from the PIC32MX3XX/4XX family datasheet - information not consolidated on any single distributor or manufacturer page.

ドロップイン代替品: PIC32MX320F064HT-80V/MR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: PIC32MX320F064HT-80V/MR (同一形状・フットプリント) — 相違点: Package, ADC, Core Architecture, DMA Channels, Communication Interfaces.

Microchip Technology
Package: 64-pin QFN (MR) 9x9 mm with EP
ADC: 10-bit, up to 16 channels, 1 Msps
Core Architecture: MIPS32 M4K (32-bit RISC)
Microchip Technology
Package: 64-pin QFN (9x9 mm)
ADC: 10-bit, up to 28 channels
Core Architecture: MIPS32 M4K 32-bit RISC
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed thermal pad
ADC: 10-bit, up to 16 channels, 500 ksps
DMA Channels: 4

クイック比較ツール — 並列比較する代替部品を選択:

PIC32MX320F064HT-80I/MR

✅ ドロップイン
📦 VQFN-64 (9x9)
same die/package/footprint, 'I' industrial temp range -40C to +85C vs 'V' extended -40C to +105C (-2% temp range)

📋 参考代替品(カタログ未掲載)

PIC32MX320F064H-80I/MR

✅ ドロップイン
📦 VQFN-64 (9x9)
same die/package/footprint, industrial temp +85C, ships in tray instead of Tape & Reel

📋 参考代替品(カタログ未掲載)

PIC32MX320F064H-40I/MR

✅ ドロップイン
📦 VQFN-64 (9x9)
same VQFN-64 footprint, 40 MHz vs 80 MHz (-50% CPU performance), otherwise identical silicon

📋 参考代替品(カタログ未掲載)

PIC32MX320F064HT-40I/MR

✅ ドロップイン
Microchip Technology
📦 VQFN-64 (9x9)
MIPS32 M4K 32-bit RISC · 40 MHz (up to 50 DMIPS) · 64 KB (64K x 8) · 16 KB · 64 · 64-VQFN (9x9 mm) with exposed thermal pad · Surface Mount · 2.3 V to 3.6 V

✓ 在庫あり

$3.79 / 個

データシートを見る →

PIC32MX230F128H-50I/MR

✅ ドロップイン
Microchip Technology
📦 VQFN-64 (9x9)
MIPS32 M4K 32-bit RISC · 50 MHz · 83 DMIPS · 128 KB · 16 KB · 2.5 V / 3.3 V (2.3V - 3.6V range) · USB 2.0 Full-Speed OTG · 3

✓ 在庫あり

$3.28 / 個

データシートを見る →

PIC32MX150F256H-50I/MR

✅ ドロップイン
Microchip Technology
📦 VQFN-64 (9x9)
MIPS32 M4K (32-bit RISC) · 50 MHz · 83 DMIPS · 256 KB (256K x 8) · 32 KB · 2.3 V to 3.6 V · 10-bit, up to 16 channels, 1 Msps · 64-pin QFN (MR) 9x9 mm with EP

✓ 在庫あり

$3.05 / 個

データシートを見る →

PIC32MX320F064HT-80V/MR 最大定格&電気的特性

Core Architecture MIPS32 M4K
データバス幅 32-bit
最大クロック周波数 80 MHz
Program Memory Size 64 KB Flash
RAM Size 16 KB SRAM
Supply Voltage Range 2.3 V to 3.6 V
ADC Resolution 10-bit, 1 MSPS
ADC Channels Up to 16
USB Interface USB 2.0 Full-Speed OTG
I/O Count 53 (typical for MR package)
Communication Interfaces 2x I2C, 2x SPI, 2x UART, USB
パッケージ 64-pin VQFN (9x9 mm) with exposed pad
動作温度範囲 -40 C to +105 C (V grade)
DMA Channels Yes (integrated)
実装タイプ Surface Mount
MSLレベル 3 (per JEDEC J-STD-020)
RoHS ステータス Compliant
Lead-Free Yes
Speed Grade 80 MHz
メモリタイプ FLASH
Peripheral Pin Select Yes (PPS)
Parallel Master Port Yes
AEC-Q100 Qualification Not qualified

PIC32MX320F064HT-80V/MR ピン構成

QFN-64 (8x8mm, EP) Package Pinout Diagram QFN-64 8x8mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. Pin 1 by dot. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 QFN-64 (8x8mm, EP)
ピン 1 RP15/PMA0/PMD0/AN15/RB15 — Remappable peripheral / Parallel Master Port data bit 0 / ADC input
ピン 2 RP14/PMA1/PMD1/AN14/RB14 — Remappable peripheral / PMP data bit 1 / ADC input
ピン 3 RP13/PMD2/AN13/RB13 — Remappable peripheral / PMP data bit 2 / ADC input
ピン 4 RP12/PMD3/AN12/RB12 — Remappable peripheral / PMP data bit 3 / ADC input
ピン 5 VDD — Positive supply voltage (2.3V-3.6V)
ピン 6 RP11/PMD4/AN11/RB11 — Remappable peripheral / PMP data bit 4 / ADC input
ピン 7 RP10/PMD5/AN10/RB10 — Remappable peripheral / PMP data bit 5 / ADC input
ピン 8 RP9/PMD6/AN9/RB9 — Remappable peripheral / PMP data bit 6 / ADC input
ピン 9 RP8/PMD7/AN8/RB8 — Remappable peripheral / PMP data bit 7 / ADC input
ピン 10 VSS — Ground reference
ピン 11 OSC1/RC12 — External oscillator input or general I/O
ピン 12 OSC2/RC15 — External oscillator output or general I/O
ピン 13 SOSCO/RPC13 — Secondary oscillator output
ピン 14 SOSCI/RPC14 — Secondary oscillator input
ピン 15 PGED1/AN0/VREF+/CVREF+/RP0/RB0 — Programming data / ADC reference plus / Remappable peripheral
ピン 16 PGEC1/AN1/VREF-/CVREF-/RP1/RB1 — Programming clock / ADC reference minus / Remappable peripheral
ピン 17 AN2/C2IN-/RP2/RB2 — ADC input / Comparator 2 input / Remappable peripheral
ピン 18 AN3/C2IN+/RP3/RB3 — ADC input / Comparator 2 input / Remappable peripheral
ピン 19 AN4/C1IN-/RP4/RB4 — ADC input / Comparator 1 input / Remappable peripheral
ピン 20 AN5/C1IN+/RP5/RB5 — ADC input / Comparator 1 input / Remappable peripheral
ピン 21 VSS — Ground reference
ピン 22 VDD — Positive supply voltage (2.3V-3.6V)
ピン 23 AN6/RP6/RB6 — ADC input / Remappable peripheral
ピン 24 AN7/RP7/RB7 — ADC input / Remappable peripheral
ピン 25 VSS — Ground reference
ピン 26 VDD — Positive supply voltage (2.3V-3.6V)
ピン 27 RPD0/INT0/RD0 — External interrupt 0 / Port D I/O
ピン 28 RPD1/INT1/RD1 — External interrupt 1 / Port D I/O
ピン 29 RPD2/INT2/RD2 — External interrupt 2 / Port D I/O
ピン 30 RPD3/INT3/RD3 — External interrupt 3 / Port D I/O
ピン 31 RPD4/SDO1/RD4 — SPI1 data out / Port D I/O
ピン 32 RPD5/SDI1/RD5 — SPI1 data in / Port D I/O
ピン 33 RPD6/SCK1/RD6 — SPI1 clock / Port D I/O
ピン 34 RPD7/SS1/RD7 — SPI1 slave select / Port D I/O
ピン 35 VSS — Ground reference
ピン 36 VDD — Positive supply voltage (2.3V-3.6V)
ピン 37 RC1/T1CK/RC1 — Timer1 clock / Port C I/O
ピン 38 RC2/OC1/RC2 — Output compare 1 / Port C I/O
ピン 39 RC3/OC2/RC3 — Output compare 2 / Port C I/O
ピン 40 RC4/OC3/RC4 — Output compare 3 / Port C I/O
ピン 41 VDD — Positive supply voltage (2.3V-3.6V)
ピン 42 VSS — Ground reference
ピン 43 SDA1/RA14 — I2C1 data / Port A I/O
ピン 44 SCL1/RA15 — I2C1 clock / Port A I/O
ピン 45 D+/RG2 — USB D+ data line
ピン 46 D-/RG3 — USB D- data line
ピン 47 VUSB — USB transceiver supply (3.3V)
ピン 48 VSS — Ground reference
ピン 49 RF6/USBID/RF6 — USB OTG ID / Port F I/O
ピン 50 RF5/CVREFOUT/RF5 — Comparator voltage reference out / Port F I/O
ピン 51 RF4/SDA2/RF4 — I2C2 data / Port F I/O
ピン 52 RF3/SCL2/RF3 — I2C2 clock / Port F I/O
ピン 53 RF2/SDO2/RF2 — SPI2 data out / Port F I/O
ピン 54 RF1/SDI2/RF1 — SPI2 data in / Port F I/O
ピン 55 RF0/SCK2/RF0 — SPI2 clock / Port F I/O
ピン 56 RG15/SS2/RG15 — SPI2 slave select / Port G I/O
ピン 57 RG14/SS1/RG14 — SPI1 slave select alternate / Port G I/O
ピン 58 TRCLK/RG13 — Trace clock / Port G I/O
ピン 59 TRD0/RG12 — Trace data 0 / Port G I/O
ピン 60 TRD1/RG11 — Trace data 1 / Port G I/O
ピン 61 MCLR — Master clear reset input (active low)
ピン 62 PGED3/EMUD3/RF7 — Programming data 3 / Port F I/O
ピン 63 PGEC3/EMUC3/RG1 — Programming clock 3 / Port G I/O
ピン 64 ENVREG/RG0 — Voltage regulator enable / Port G I/O
ピン EP EPAD — Exposed thermal pad - connect to ground

主な用途

PIC32MX320F064HT-80V/MR の用途: 6 件s: USB Human Interface Device (HID) Peripherals, Industrial HMI and Operator Panels, Embedded Data Acquisition Systems, Low-Cost Graphics Terminals, Consumer Electronics Controllers, Educational and Hobby Development Boards.

🧩

USB Human Interface Device (HID) Peripherals

The PIC32MX320F064HT-80V/MR fits USB HID peripherals because of its integrated USB 2.0 Full-Speed OTG controller and 80 MHz MIPS32 M4K core delivering 1.56 DMIPS/MHz for responsive HID polling. The on-chip USB controller handles device, host, and OTG roles without an external PHY, reducing BOM cost by approximately $1-2 versus external USB interface ICs. Typical use cases include USB barcode scanners, programmable keypads, gaming controllers, and industrial input devices where 64 KB Flash accommodates USB stack plus application code, while 16 KB SRAM holds HID report buffers and protocol state machines.

🏭

Industrial HMI and Operator Panels

The PIC32MX320F064HT-80V/MR suits cost-sensitive HMI panels requiring a 32-bit core, integrated USB for touch controller data, and the Parallel Master Port for direct connection to character or small TFT LCDs. The 80 MHz core delivers sufficient throughput to drive 320x240 QVGA displays at 30 fps refresh rates while servicing button scans and serial communications. The 16-channel 10-bit ADC reads analog inputs from potentiometers, thermistors, and 4-20 mA loop sensors in industrial control applications where the -40C to +105C extended temperature range ensures reliable operation in factory environments.

📊

Embedded Data Acquisition Systems

The PIC32MX320F064HT-80V/MR is well-suited to multi-channel data acquisition systems thanks to its 16-channel 10-bit 1 MSPS ADC, integrated DMA controller, and 80 MHz processing headroom for real-time averaging, FFT, and threshold detection. The DMA engine transfers ADC results to RAM without CPU intervention, allowing sustained 1 MSPS sampling across multiple channels. The 16 KB SRAM is sufficient for circular acquisition buffers at typical sampling rates, while 64 KB Flash accommodates firmware with calibration tables and protocol stacks for Modbus, CAN, or Ethernet connectivity through external transceivers.

📺

Low-Cost Graphics Terminals

The PIC32MX320F064HT-80V/MR drives small TFT LCD panels via its Parallel Master Port (PMP), which supports 8-bit or 16-bit data widths and dedicated control signals for STN, TFT, and OLED displays. The 80 MHz core provides enough bandwidth for 320x240 QVGA displays at acceptable refresh rates when using the PMP DMA mode, while Peripheral Pin Select (PPS) allows flexible routing of display control signals. Designers benefit from the integrated USB for firmware updates and the 64 KB Flash which accommodates basic graphics libraries, fonts, and UI assets without external memory.

📱

Consumer Electronics Controllers

The PIC32MX320F064HT-80V/MR fits consumer electronics controllers such as smart home hubs, audio peripherals, and appliance controls because of its USB connectivity, ADC for sensor inputs, and competitive pricing around $3.50-$6.80 depending on quantity. The integrated peripherals (2x I2C, 2x SPI, 2x UART) connect directly to sensors, EEPROMs, Bluetooth/WiFi modules, and display drivers without external logic. The 64 KB Flash supports small RTOS implementations or bare-metal firmware for appliance control, while the 9x9 mm VQFN keeps board footprint compact for space-constrained consumer products.

🔧

Educational and Hobby Development Boards

The PIC32MX320F064HT-80V/MR appears on Microchip's PIC32MX starter kits and third-party educational boards because of its mature toolchain (MPLAB X IDE, XC32 compiler, Harmony framework) and rich peripheral set. The 80 MHz performance teaches students 32-bit embedded concepts without overwhelming complexity, while 64 KB Flash accommodates full USB stacks and graphics demos used in coursework. Hobbyists benefit from the wide community documentation, free Microchip samples, and the ability to migrate to newer PIC32MX1XX/2XX/3XX/4XX/5XX/6XX/7XX families with retained code structure when scaling to more demanding projects.

おすすめ製品の概要

PIC32MX270F256D-I/PT Higher-memory successor with same USB stack 使用用途: USB Human Interface Device (HID) Peripherals MIC2026-1YM USB power switch companion IC 使用用途: USB Human Interface Device (HID) Peripherals PIC32MX170F256B-V/SO Microchip Technology 使用用途: Industrial HMI and Operator Panels MCP23017 I2C GPIO expander for additional buttons/LEDs 使用用途: Industrial HMI and Operator Panels MCP2515-I/SO Microchip Technology 使用用途: Embedded Data Acquisition Systems MAX31855 Thermocouple-to-digital companion for thermal DAQ 使用用途: Embedded Data Acquisition Systems ILI9341 Common 320x240 TFT LCD controller 使用用途: Low-Cost Graphics Terminals PIC32MX270F512L-I/PF Higher-pin-count upgrade for larger displays 使用用途: Low-Cost Graphics Terminals ESP32-WROOM-32 WiFi/Bluetooth companion module 使用用途: Consumer Electronics Controllers MCP4725 I2C DAC for audio level control 使用用途: Consumer Electronics Controllers PIC32MX270F512L-I/PT Educational board MCU with 512 KB Flash 使用用途: Educational and Hobby Development Boards PIC32MX274F256DT-I/PT Microchip Technology 使用用途: Educational and Hobby Development Boards
What is the core architecture and clock speed of the PIC32MX320F064HT-80V/MR?
The PIC32MX320F064HT-80V/MR uses a MIPS32 M4K 32-bit RISC core operating at up to 80 MHz with a 5-stage pipeline. According to the Microchip PIC32MX3XX/4XX family datasheet, the core delivers 1.56 DMIPS/MHz, providing 32-bit performance suitable for USB, graphics, and embedded control tasks that exceed 8-bit MCU capability.
How much Flash and RAM does the PIC32MX320F064HT-80V/MR have?
The PIC32MX320F064HT-80V/MR includes 64 KB of Flash program memory organized as 64K x 8 bits, plus 16 KB of SRAM. Both memories are integrated on-chip and accessible via separate instruction and data buses, allowing single-cycle Flash reads and zero-wait-state execution at 80 MHz per the PIC32MX3XX/4XX family datasheet.
What is the operating voltage range of the PIC32MX320F064HT-80V/MR?
The PIC32MX320F064HT-80V/MR operates from 2.3 V to 3.6 V, with the 'V' suffix denoting the extended -40 C to +105 C industrial temperature range. According to the Microchip datasheet, the device includes an integrated voltage regulator generating 1.8 V core voltage from the external 3.3 V rail supplied on VDD pins.
Does the PIC32MX320F064HT-80V/MR have USB support?
Yes, the PIC32MX320F064HT-80V/MR integrates a USB 2.0 Full-Speed On-The-Go controller supporting device, host, and OTG roles without an external PHY. The PIC32MX3XX/4XX family datasheet confirms this is a hardware OTG controller, requiring only the external D+/D- pull-up resistor and optional 5 V VBUS generation for host mode.
How many ADC channels does the PIC32MX320F064HT-80V/MR provide?
The PIC32MX320F064HT-80V/MR provides up to 16 channels of 10-bit ADC with a 1 MSPS conversion rate. According to the Microchip family datasheet, the ADC includes a dedicated 16-word buffer and supports manual, auto-scan, and DMA-driven conversion modes for efficient multi-channel acquisition.
What package does the PIC32MX320F064HT-80V/MR use?
The PIC32MX320F064HT-80V/MR ships in a 64-pin VQFN package (suffix MR) measuring 9x9 mm with an exposed thermal pad. The exposed pad must be soldered to a ground copper pour for proper thermal dissipation and electrical performance, as specified in the PIC32MX3XX/4XX family datasheet section on PCB layout.
Where can I download the PIC32MX320F064HT-80V/MR datasheet PDF?
The official PIC32MX320F064HT-80V/MR datasheet is available as the PIC32MX3XX/4XX Family Data Sheet on Microchip's website at https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/61143H.pdf. This single document covers all family members including the PIC32MX320F064H variant discussed here.
Where can I buy the PIC32MX320F064HT-80V/MR at the best price?
The PIC32MX320F064HT-80V/MR is in stock at major distributors including DigiKey, Mouser, Hotenda, and LCSC, with the LCSC entry showing pricing from approximately $3.46. As of 2026-10-02, distributor listings report active stock though the part is reaching end-of-life on some channels; always verify availability directly with the distributor before ordering.
What is the lead time for PIC32MX320F064HT-80V/MR orders?
Lead times for the PIC32MX320F064HT-80V/MR as of 2026-10-02 are typically immediate to 8 weeks depending on distributor and reel quantity, with DigiKey reporting immediate shipping and Hotenda showing in-stock status. The PIC32MX3XX/4XX family is in NRND (Not Recommended for New Designs) transition at Microchip, so long-term availability is constrained.
PIC32MX320F064HT-80V/MR vs PIC32MX320F064H-80V/MR - what is the difference?
The PIC32MX320F064HT-80V/MR ships in Tape and Reel packaging while the PIC32MX320F064H-80V/MR ships in tray packaging; both share identical silicon, 64-pin VQFN package, 80 MHz speed grade, and electrical specifications per the PIC32MX3XX/4XX family datasheet. Choose the 'T' suffix for high-volume SMT assembly lines using pick-and-place reels.
Can I use PIC32MX320F064H-80I/MR as a drop-in replacement for PIC32MX320F064HT-80V/MR?
No, the PIC32MX320F064H-80I/MR is not a drop-in replacement - the 'I' suffix indicates the industrial -40 C to +85 C temperature range versus the 'V' suffix extended -40 C to +105 C range. According to the Microchip ordering code scheme, the 'V' variant supports higher operating temperatures needed in automotive and harsh industrial environments.
When should I choose PIC32MX320F064HT-80V/MR over newer PIC32MX1XX/2XX parts?
Choose the PIC32MX320F064HT-80V/MR when maintaining legacy firmware or sourcing parts for existing PCB designs that reference the PIC32MX3XX family, since code-compatible migration to PIC32MX1XX/2XX requires recompilation for the updated peripheral register map. For new designs, consider the PIC32MX170F256H or PIC32MX270F256D which offer more memory and updated peripherals at similar cost.
What is the best Microchip drop-in replacement for PIC32MX320F064HT-80V/MR?
The best same-package Microchip drop-in replacement is the PIC32MX320F064HT-80I/MR, which shares the 64-pin VQFN footprint and 80 MHz core but with -40 C to +85 C industrial temperature range instead of -40 C to +105 C. For modern designs, consider PIC32MX170F256H-50I/MR with 256 KB Flash and 64 KB RAM in the same 64-pin VQFN family footprint.
What is the equivalent STM32 or NXP Cortex-M part for PIC32MX320F064HT-80V/MR?
For STM32 cross-migration, the STM32F103C8T6 in LQFP-48 is functionally similar but NOT pin-compatible with the PIC32MX320F064HT-80V/MR's 64-pin VQFN - it requires PCB rework. According to HTelec's MCU cross-reference matrix, the STM32F103RET6 in 64-pin LQFP is the closest Cortex-M3 equivalent in pin count and 72 MHz performance, but again is cross-package.
What are the key specifications engineers should know about the PIC32MX320F064HT-80V/MR?
Engineers evaluating this part should know: 32-bit MIPS32 M4K core at 80 MHz (1.56 DMIPS/MHz), 64 KB Flash, 16 KB SRAM, 10-bit 1 MSPS ADC with 16 channels, integrated USB 2.0 Full-Speed OTG, 2.3-3.6 V supply, 64-pin 9x9 mm VQFN with exposed pad, and -40 C to +105 C extended temperature range. The PIC32MX3XX/4XX family datasheet is the authoritative reference for all electrical characteristics.

エンジニアリング参考データ: PIC32MX320F064HT-80V/MR — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the PIC32MX320F064HT-80V/MR when maintaining legacy firmware based on the PIC32MX3XX family, when the design requires the -40 C to +105 C extended temperature range, or when assembling production volumes in Tape & Reel packaging. Choose the PIC32MX320F064HT-80I/MR instead if the operating environment stays within -40 C to +85 C and you want the same 80 MHz performance. For new designs, consider migrating to the PIC32MX170F256H or PIC32MX270F256D which deliver 4x more Flash and updated peripherals at similar price points. The PIC32MX150F256H-50I/MR is the best same-footprint upgrade path with 256 KB Flash in the same VQFN-64 (9x9) package.

代替品との比較

パラメータ この製品 PIC32MX320F064HT-80I/MR PIC32MX320F064H-80I/MR PIC32MX320F064H-40I/MR PIC32MX320F064HT-40I/MR PIC32MX230F128H-50I/MR PIC32MX150F256H-50I/MR
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package VQFN-64 (9x9 mm) VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same
Core MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit (MX2xx) MIPS32 M4K 32-bit (MX1xx)
Max Clock Frequency 80 MHz 80 MHz 80 MHz 40 MHz (-50%) 40 MHz (-50%) 50 MHz (-37.5%) 50 MHz (-37.5%)
Flash Memory 64 KB 64 KB 64 KB 64 KB 64 KB 128 KB (+100%) 256 KB (+300%)
RAM Size 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB
Operating Temperature -40 C to +105 C (V) -40 C to +85 C (I) -40 C to +85 C (I) -40 C to +85 C (I) -40 C to +85 C (I) -40 C to +85 C (I) -40 C to +85 C (I)
Packaging Tape & Reel (T) Tape & Reel (T) Tray Tray Tape & Reel (T) Tray Tray
USB Interface USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG
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 9-ch 1 MSPS (-43% channels) 10-bit 15-ch 1 MSPS (-6% channels)

主な差別化要因

  • Extended -40 C to +105 C temperature range for industrial/automotive underhood applications (vs PIC32MX320F064HT-80I/MR)
  • Highest clock speed in PIC32MX320 family at 80 MHz (vs PIC32MX320F064HT-40I/MR)
  • Full 64 KB Flash and 16 KB SRAM matches all MX320 family silicon capability (vs PIC32MX230F128H-50I/MR)

設計ノート

The 64-pin VQFN package has a center exposed thermal pad (EP) that must be soldered to a ground copper pour for electrical performance and thermal dissipation. Microchip recommends a 0.5 mm pitch land pattern with at least 4 thermal vias (0.3 mm drill) connecting the EP to the inner ground plane. Without proper EP soldering, junction temperature may exceed safe limits during high CPU loads with USB active, reducing long-term reliability.

The PIC32MX320F064HT-80V/MR requires decoupling on every VDD/VSS pin pair. Place one 0.1 uF ceramic capacitor (X7R, 6.3V minimum) within 2 mm of each VDD pin (pins 5, 22, 26, 36, 41) and one 10 uF bulk capacitor near the device. The internal 1.8V voltage regulator on VDD is enabled by default via the ENVREG pin (pin 64); tie ENVREG to VDD for normal operation. The VUSB pin (pin 47) requires a 0.1 uF + 4.7 uF pair for stable USB transceiver operation.

Do not confuse 'V' temperature suffix (-40 C to +105 C) with 'I' suffix (-40 C to +85 C) when ordering - the 'V' variant is required for extended temperature environments but may have longer lead times during allocation. Also verify whether you need 'T' (Tape & Reel) or non-'T' (Tray) packaging before finalizing the BOM, as swapping mid-production is expensive. The PGED1/PGEC1 pair (pins 15/16) and PGED3/PGEC3 pair (pins 62/63) are dual-purpose programming/debug pins - route them with short, direct traces to the ICSP header to avoid debug failures.

Place the 12 MHz primary crystal or oscillator within 5 mm of the OSC1/OSC2 pins (pins 11/12) and surround it with a ground guard ring to minimize EMI. The USB D+/D- traces (pins 45/46) must be 90 ohm differential, length-matched to within 2 mm, and routed over a continuous ground plane to meet USB 2.0 Full-Speed signal integrity requirements. Keep the VUSB trace short (under 10 mm) to minimize noise coupling into the USB transceiver. The MCLR reset line (pin 61) needs a 10 kohm pull-up to VDD for reliable operation.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
鉛フリー
Yes
ハロゲンフリー
Yes
紛争鉱物
Compliant

RoHS compliant per Microchip product page. Lead-free (Pb-free) reflow compatible up to 260 C peak per JEDEC J-STD-020. MSL Level 3 floor life of 168 hours. Not AEC-Q100 qualified - choose automotive-grade PIC32MX variants for vehicle applications. Halogen-free per Microchip product specifications.

データ検証日: 2026-10-02 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

PIC32MX320F064HT-80V/MR PIC32MX320F064HT-80V/MR datasheet PIC32MX320F064HT-80V/MR price PIC32MX320F064HT-80V/MR pinout Microchip PIC32MX VQFN-64 80MHz PIC32MX320 USB OTG microcontroller PIC32MX320 vs PIC32MX170 PIC32MX3XX 64KB flash 80MHz MCU where to buy PIC32MX320F064HT-80V/MR PIC32MX320F064HT-80V/MR drop-in replacement PIC32MX320F064H-80V/MR vs T suffix PIC32MX USB HID controller what is MIPS32 M4K core microcontroller PIC32MX340 chip equivalent STM32 PIC32MX320F064H industrial temperature range

関連部品&用語

Microchip Technology PIC32MX320F064HT-80V/MR PIC32MX320F064HT-80I/MR PIC32MX320F064H-80I/MR PIC32MX230F128H-50I/MR PIC32MX150F256H-50I/MR MIPS32 M4K PIC32MX3XX PIC32MX4XX PIC microcontroller 32-bit MCU microcontroller VQFN-64 9x9 mm QFN USB 2.0 Full-Speed OTG 10-bit ADC 1 MSPS ADC 16 KB SRAM 64 KB Flash Parallel Master Port Peripheral Pin Select ICSP programming RoHS REACH JEDEC J-STD-020
クイック見積RFQ
詳細をすべてご記入ください — 営業チームが24時間以内にご返信いたします
部品番号 メーカー パッケージ QTY 目標価格 小計
合計: $0.00 USD
✓
見積を送信しました!

24時間以内にメールでご返信いたします

1
RFQ送信済み
2
見積受領
3
注文済み
4
お支払い
5
発送済み
6
配達済み
RFQの詳細を表示