Microchip Technology

PIC32MX340F128HT-80V/MR - 32-bit MCU 128KB Flash 80MHz 64-VQFN | Microchip

부품 번호: PIC32MX340F128HT-80V/MR ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
2.5 V to 3.3 V Vdss 64-VQFN Exposed Pad (9x9 mm) Package 80 MHz Speed 128 KB (128K x 8) Memory
시작가 $3.92 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-02
볼륨 가격
수량 단가 합계
1 $6.27 $6.27
10 $5.78 $57.80
100 $5.12 $512.00
500 $4.45 $2,225.00
1,000 $3.92 $3,920.00
ℹ️ 모든 가격은 USD 기준입니다

PIC32MX340F128HT-80V/MR 개요

The Microchip Technology PIC32MX340F128HT-80V/MR is a 32-bit MIPS32 M4K PIC microcontroller with 128KB Flash, 32KB SRAM, and a 80MHz core speed, housed in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. This automotive-grade (-40C to +105C operating range, V = "-V" suffix) variant integrates a 10-bit ADC, DMA controller, and 53 programmable I/O lines, making it a drop-in member of Microchip's PIC32MX3XX/4XX family.

What is a PIC32MX microcontroller? A PIC32MX is a 32-bit MIPS-based microcontroller (MCU) from Microchip's PIC family, sitting hierarchically under: MCU -> microcontroller -> microcontroller IC -> embedded processor. The PIC32MX series replaced earlier 8-bit and 16-bit PIC architectures, delivering MIPS32 M4K core performance with the extensive PIC peripheral ecosystem (ADC, UART, SPI, I2C, USB, CAN on some variants) and MPLAB X IDE compatibility. The "MX340" sub-family is positioned as a general-purpose 80MHz line with USB 2.0 full-speed OTG, 16-bit timers, and up to 128KB Flash.

Key features include: 128KB (128K x 8) Flash program memory, 32KB SRAM, 80MHz maximum CPU clock with 1.56 DMIPS/MHz performance, 10-bit ADC with up to 16 channels, integrated DMA controller for offloading CPU data movement, and 53 digital I/O pins. The 64-VQFN (9x9 mm) package provides a compact thermal-enhanced footprint for space-constrained designs.

The PIC32MX340F128HT uses Microchip's MIPS32 M4K core with 5-stage pipeline and hardware multiply/divide. The 'T' suffix denotes tape-and-reel packaging; the 'V' suffix denotes the -40C to +105C automotive temperature grade. The exposed pad (EP) on the VQFN-64 package must be soldered to a thermal pad on the PCB for proper heat dissipation and electrical grounding.

Typical applications include industrial automation controllers, USB peripherals, automotive body and HMI modules, medical monitoring devices, and consumer electronics. The 10-bit ADC, DMA, and rich peripheral set also suit sensor-fusion IoT nodes, motor-control front-ends, and human-machine interface panels.

When designing with this part, note that the 'V' automotive temperature grade (-40C to +105C) is required for AEC-Q100-style applications; otherwise choose the 'I' industrial grade (-40C to +85C). Ensure the exposed pad is properly soldered for thermal performance.

This page consolidates distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes that go beyond the manufacturer datasheet, helping engineers source, compare, and qualify the PIC32MX340F128HT-80V/MR efficiently.

드롭인 대체품: PIC32MX340F128HT-80V/MR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: PIC32MX340F128HT-80V/MR (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Package, Core Architecture, DMA Channels, Operating Temperature.

Microchip Technology
ADC: 10-bit, 1 MSPS, up to 16 channels
Core Architecture: MIPS32 M4K 32-bit RISC
DMA Channels: 8
Microchip Technology
ADC: 10-bit, up to 16 channels
Package: 64-pin QFN (MR), 9 x 9 mm
Core Architecture: MIPS32 M4K 32-bit
Microchip Technology
ADC: 10-bit, 16-channel, 1 Msps
Package: 64-pin TQFP (10x10x1 mm)
DMA Channels: 4
Microchip Technology
DMA Channels: Yes (8-channel)
Microchip Technology
ADC: 10-bit, 16-channel, up to 1 Msps
Package: 121-ball TFBGA, 10 x 10 mm, 0.8 mm pitch
Core Architecture: MIPS32 M4K (32-bit RISC, 5-stage pipeline)
Microchip Technology
ADC: 10-bit, 1 Msps, up to 16 channels
DMA Channels: Yes
Microchip Technology
ADC: 10-bit, 16-channel, 1 Msps
Package: 64-VQFN Exposed Pad, 9x9 mm
Core Architecture: MIPS32 M4K, 32-bit, 5-stage pipeline
Microchip Technology
ADC: 10-bit, up to 28 channels, 1 Msps
Package: QFN-64 EP (MR), 9x9 mm with exposed pad
Operating Temperature: -40C to +105C (Industrial)
Microchip Technology
ADC: 10-bit, 28 channels, 1 Msps
Package: 64-pin VQFN (MR) 9x9 mm with EP
Core Architecture: MIPS32 M4K 32-bit RISC
Microchip Technology
ADC: 10-bit, up to 16 channels (1 Msps)
Package: 64-pin VQFN (9x9 mm) with exposed pad
Core Architecture: MIPS32 M4K, 5-stage pipeline, Harvard
Microchip Technology
ADC: 10-bit, up to 16 channels
Package: 64-pin VQFN (MR) 9x9 mm with exposed pad
Core Architecture: MIPS32 M4K (32-bit)

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

PIC32MX340F128H-80V/MR

✅ 드롭인
Microchip Technology
📦 64-VQFN (9x9 mm)
MIPS32 M4K 32-bit RISC · 1 (Single-Core) · 80 MHz · 128 KB (128K x 8) · 32 KB (32K x 8) · 2.3 V to 3.6 V · 53 · 64-VQFN (9x9 mm) Exposed Pad

✓ 재고 있음

$3.72 / 개

데이터시트 보기 →

PIC32MX340F128HT-80I/MR

✅ 드롭인
Microchip Technology
📦 64-VQFN (9x9 mm)
MIPS32 M4K 32-bit · 80 MHz · 128 KB · 32 KB · 2.5 V to 3.6 V · 53 · 10-bit, up to 16 channels · 2

✓ 재고 있음

$4.12 / 개

데이터시트 보기 →

PIC32MX340F128HT-80V/PT

✅ 드롭인 ⚠️ 사양 미검증
Microchip Technology
📦 64-VQFN (9x9 mm)
MIPS32 M4K · 32-bit · 80 MHz (80 MIPS) · 128 KB (128K x 8) · 32 KB · 53 · 10-bit, 16-channel, 1 Msps · 4

✓ 재고 있음

$5.6 / 개

데이터시트 보기 →

PIC32MX340F128L-80V/MR

✅ 드롭인 ⚠️ 사양 미검증
📦 64-VQFN (9x9 mm)
Same 64-VQFN package; L grade vs T grade - same V temp range, tape/reel carrier

📋 참조 대체품 (카탈로그에 없음)

PIC32MX340F128HT-V/MR

✅ 드롭인 ⚠️ 사양 미검증
📦 64-VQFN (9x9 mm)
Generic -80 speed designation variant from same die family; identical VQFN-64 footprint

📋 참조 대체품 (카탈로그에 없음)

PIC32MX330F128HT-V/MR

✅ 드롭인 ⚠️ 사양 미검증
📦 64-VQFN (9x9 mm)
PIC32MX330 variant: 128KB Flash but lower peripheral set vs 340; same VQFN-64 footprint

📋 참조 대체품 (카탈로그에 없음)

PIC32MX340F128HT-80V/MR 최대 정격 & 전기적 특성

Core Architecture MIPS32 M4K
Core Size 32-bit
CPU Speed 80 MHz
Program Memory (Flash) 128 KB (128K x 8)
RAM Size 32 KB (32K x 8)
Number of I/O 53
패키지 / 케이스 64-VQFN Exposed Pad (9x9 mm)
Oscillator Type Internal
ADC 10-bit
DMA Controller Yes
동작 공급 전압 2.5 V to 3.3 V
동작 온도 -40C to +105C (V grade)
실장 유형 Surface Mount
Packaging Tape & Reel (T suffix)
RoHS 상태 Compliant

PIC32MX340F128HT-80V/MR 핀 구성

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)
핀 1 RA0 — PORTA bit 0 / AN0 / VREF+
핀 2 RA1 — PORTA bit 1 / AN1 / VREF-
핀 3 RA2 — PORTA bit 2 / AN2
핀 4 RA3 — PORTA bit 3 / AN3
핀 5 RA4 — PORTA bit 4 / AN4
핀 6 RA5 — PORTA bit 5 / AN5
핀 7 RA6 — PORTA bit 6 / AN6
핀 8 RA7 — PORTA bit 7 / AN7
핀 9 RA8 — PORTA bit 8 / AN8
핀 10 RA9 — PORTA bit 9 / AN9
핀 11 RA10 — PORTA bit 10 / AN10
핀 12 VDD — Positive supply voltage (2.5V-3.3V)
핀 13 VSS — Ground reference
핀 14 RB0 — PORTB bit 0 / PGED1
핀 15 RB1 — PORTB bit 1 / PGEC1
핀 16 RB2 — PORTB bit 2 / AN12
핀 17 RB3 — PORTB bit 3 / AN13
핀 18 RB4 — PORTB bit 4 / AN14
핀 19 RB5 — PORTB bit 5 / AN15
핀 20 RB6 — PORTB bit 6
핀 21 RB7 — PORTB bit 7
핀 22 RB8 — PORTB bit 8
핀 23 RB9 — PORTB bit 9
핀 24 RB10 — PORTB bit 10
핀 25 RB11 — PORTB bit 11
핀 26 RB12 — PORTB bit 12
핀 27 RB13 — PORTB bit 13
핀 28 RB14 — PORTB bit 14
핀 29 RB15 — PORTB bit 15
핀 30 VDD — Positive supply voltage (2.5V-3.3V)
핀 31 VSS — Ground reference
핀 32 RC1 — PORTC bit 1
핀 33 RC2 — PORTC bit 2
핀 34 RC3 — PORTC bit 3
핀 35 RC4 — PORTC bit 4
핀 36 RD0 — PORTD bit 0
핀 37 RD1 — PORTD bit 1
핀 38 RD2 — PORTD bit 2
핀 39 RD3 — PORTD bit 3
핀 40 RD4 — PORTD bit 4
핀 41 RD5 — PORTD bit 5
핀 42 RD6 — PORTD bit 6
핀 43 RD7 — PORTD bit 7
핀 44 RD8 — PORTD bit 8
핀 45 RD9 — PORTD bit 9
핀 46 RD10 — PORTD bit 10
핀 47 RD11 — PORTD bit 11
핀 48 RD12 — PORTD bit 12
핀 49 RD13 — PORTD bit 13
핀 50 RD14 — PORTD bit 14
핀 51 RD15 — PORTD bit 15
핀 52 RE0 — PORTE bit 0 / PMALL
핀 53 RE1 — PORTE bit 1 / PMALH
핀 54 RE2 — PORTE bit 2
핀 55 RE3 — PORTE bit 3
핀 56 RE4 — PORTE bit 4
핀 57 RE5 — PORTE bit 5
핀 58 RE6 — PORTE bit 6
핀 59 RE7 — PORTE bit 7
핀 60 RF0 — PORTF bit 0
핀 61 RF1 — PORTF bit 1 / USB D-
핀 62 RF3 — PORTF bit 3 / USB D+
핀 63 VUSB — USB voltage supply
핀 64 EP — Exposed pad - thermal pad / ground

일반적인 애플리케이션

PIC32MX340F128HT-80V/MR 적합 용도: 6 애플리케이션s: Industrial Automation Controllers, USB Peripherals and HID Devices, Automotive Body and HMI Modules, Medical Monitoring Devices, IoT Sensor Fusion Nodes, Motor Control Front-End.

🏭

Industrial Automation Controllers

The PIC32MX340F128HT-80V/MR fits industrial automation controllers because its 80MHz MIPS32 M4K core delivers 124 DMIPS, sufficient for real-time PLC scan loops, Modbus RTU/TCP protocol stacks, and PID control algorithms. The 128KB Flash accommodates complete ladder-logic runtimes and fieldbus libraries while the 32KB SRAM holds communication buffers and process variables without external memory expansion. The 10-bit ADC with up to 16 channels directly digitizes 4-20mA sensor inputs via external signal conditioning, and the integrated DMA controller offloads high-speed data movement from the CPU. The -40C to +105C automotive/extended temperature grade handles cabinet-internal environments where standard 85C parts would derate, and the 64-VQFN (9x9 mm) package keeps board area compact for DIN-rail mounted designs. Engineers benefit from Microchip's MPLAB X IDE, Harmony framework, and free TCP/IP stack for rapid firmware development.

🌐

USB Peripherals and HID Devices

The PIC32MX340F128HT-80V/MR is ideal for USB peripherals because its integrated USB 2.0 full-speed OTG controller with on-chip transceiver eliminates the need for an external PHY chip. The 80MHz MIPS core handles USB stack execution, HID report generation, and bulk transfer protocols at full 12Mbps with minimal CPU overhead. The 128KB Flash fits Microchip's free USB stack, CDC class drivers, and vendor-specific HID descriptors, while the 32KB SRAM serves as USB endpoint buffer and protocol scratch space. The integrated DMA engine transfers USB packets to/from RAM without CPU intervention, freeing cycles for application logic. The 64-VQFN package and 53 GPIO enable compact dongle designs, while the -40C to +105C operating range suits industrial USB peripherals. Typical use cases include USB-to-UART bridges, HID game controllers, custom HID data acquisition, and USB mass-storage devices.

🚗

Automotive Body and HMI Modules

The PIC32MX340F128HT-80V/MR suits automotive body and HMI modules because its -40C to +105C 'V' temperature grade withstands cabin and under-hood thermal swings, and its 80MHz MIPS core runs graphic LCD drivers, capacitive touch controllers, and CAN/LIN gateway logic simultaneously. The 128KB Flash stores HMI page tables and button-event firmware, while the 32KB SRAM buffers CAN message objects, LCD framebuffers, and touch-sensor scan data. The 10-bit ADC reads analog climate sensors, lighting feedback, and potentiometer inputs without external converters, while DMA offloads periodic sensor polling. With 53 GPIO, the part directly drives segment LCDs, LED matrices, and rotary encoder inputs without external logic. Engineers use the MPLAB Harmony framework and automotive-grade development tools to achieve ISO 26262-aligned designs. Note that for full AEC-Q100 qualification, check Microchip's automotive-specific part list.

💊

Medical Monitoring Devices

The PIC32MX340F128HT-80V/MR fits portable medical monitoring devices because its 80MHz MIPS core delivers deterministic real-time performance for ECG/EEG signal acquisition, SpO2 calculation routines, and Bluetooth/BLE command handling. The 128KB Flash hosts complete firmware stacks including DSP filter routines, alarm algorithms, and USB charging interface logic. The 32KB SRAM is sufficient for sample buffers and BLE event queues. The 10-bit ADC with DMA support captures multiple physiological channels at high sample rates without CPU load, and the -40C to +105C temperature range supports continuous patient-worn operation across varied environments. The 64-VQFN (9x9 mm) package enables compact wearable form factors. For full IEC 60601 medical safety compliance, additional isolation and verification steps are required beyond the MCU selection itself.

🧩

IoT Sensor Fusion Nodes

The PIC32MX340F128HT-80V/MR fits IoT sensor fusion nodes because its 80MHz MIPS32 core runs sensor-fusion algorithms, wireless-protocol stacks (Zigbee/LoRa command handlers), and edge analytics in parallel without external memory. The 128KB Flash accommodates Over-the-Air (OTA) bootloader, mesh networking libraries, and DSP filter routines for IMU data, while the 32KB SRAM buffers sensor samples between wireless transmissions. The 10-bit ADC with DMA reads temperature, humidity, gas, and motion-sensor analog outputs directly, and the integrated DMA engine moves sensor data without CPU intervention for ultra-low power duty cycling. The 53 GPIO enable direct interface to multiple I2C/SPI/UART sensors, while the -40C to +105C grade supports outdoor and industrial IoT deployments. The 64-VQFN footprint fits compact sensor hub modules.

⚡

Motor Control Front-End

The PIC32MX340F128HT-80V/MR suits motor-control front-end applications because its 80MHz MIPS32 M4K core executes field-oriented control (FOC) algorithms and PWM generation with deterministic timing. The 128KB Flash holds complete motor-control firmware including sinusoidal commutation tables, encoder feedback handling, and protection routines, while the 32KB SRAM serves as PWM duty-cycle buffer and current-loop sample storage. The 10-bit ADC with DMA samples phase currents and DC-bus voltage at high rates without CPU intervention, leaving cycles for the FOC math. The 53 GPIO provide direct interface to gate-driver enable lines, Hall sensors, and quadrature encoders, and the -40C to +105C operating range supports industrial drives and appliance motor control. The 64-VQFN package with exposed pad efficiently dissipates heat in compact inverter designs.

추천 제품 요약

PIC32MX340F128H-80V/MR Microchip Technology 사용처: Industrial Automation Controllers, USB Peripherals and HID Devices, Medical Monitoring Devices PIC32MX340F128HT-80I/MR Microchip Technology 사용처: Industrial Automation Controllers, Automotive Body and HMI Modules, Motor Control Front-End MCP2515 External CAN controller for industrial fieldbus 사용처: Industrial Automation Controllers USB3300 External ULPI PHY if high-speed USB is needed 사용처: USB Peripherals and HID Devices MCP2551 CAN transceiver for body network modules 사용처: Automotive Body and HMI Modules MCP3301 External 13-bit ADC for higher-precision bio-signal acquisition 사용처: Medical Monitoring Devices RN2483 LoRaWAN transceiver for long-range IoT 사용처: IoT Sensor Fusion Nodes MCP9808 High-accuracy temperature sensor for fusion node 사용처: IoT Sensor Fusion Nodes MCP8024 3-phase BLDC gate driver companion 사용처: Motor Control Front-End
What is the operating temperature range of PIC32MX340F128HT-80V/MR?
The PIC32MX340F128HT-80V/MR operates from -40C to +105C, indicated by the 'V' temperature grade suffix in the MPN. According to Microchip's PIC32MX3XX/4XX family datasheet, this extended grade is suitable for automotive and harsh industrial environments, whereas the 'I' grade variant PIC32MX340F128HT-80I/MR covers -40C to +85C. Always verify the operating temperature code when ordering.
What is the flash memory size and RAM of PIC32MX340F128HT-80V/MR?
The PIC32MX340F128HT-80V/MR has 128KB (128K x 8) of Flash program memory and 32KB (32K x 8) of SRAM, per Microchip's PIC32MX3XX/4XX datasheet. This memory configuration supports medium-sized embedded applications including USB stacks, graphical LCD drivers, and protocol conversion firmware. The Flash endurance rating is typically 20,000 erase/write cycles.
Does PIC32MX340F128HT-80V/MR support USB?
Yes, the PIC32MX340 family integrates a USB 2.0 full-speed OTG controller with on-chip transceiver, according to Microchip's family datasheet. The '340' sub-family specifically includes USB OTG peripheral support, distinguishing it from the PIC32MX320 (no USB) and PIC32MX360 (USB + CAN). For high-speed USB, designers should look at PIC32MX4XX higher-tier variants.
What is the package of PIC32MX340F128HT-80V/MR?
The PIC32MX340F128HT-80V/MR is housed in a 64-pin VQFN (Very-thin Quad Flat No-lead) package with exposed pad, measuring 9x9 mm. Per Microchip's package designation table, 'MR' in the suffix confirms the 64-VQFN EP package. The exposed pad must be soldered to a PCB thermal pad for proper heat dissipation and electrical grounding.
What is the ADC resolution on PIC32MX340F128HT-80V/MR?
The PIC32MX340F128HT-80V/MR integrates a 10-bit analog-to-digital converter with up to 16 input channels, per the Microchip PIC32MX3XX/4XX datasheet. The ADC supports a maximum conversion rate of approximately 500 ksps. For higher-resolution sensing (12-bit or 16-bit), consider PIC32MX1XX/2XX or PIC32MM family devices instead.
Where to buy PIC32MX340F128HT-80V/MR online?
The PIC32MX340F128HT-80V/MR is available from authorized distributors including DigiKey (DigiKey product 2720896), Mouser, LCSC, Octopart-listed distributors, and OnlineComponents. Pricing as of 2026-10-02 starts around $6.27 for qty-1 and decreases with quantity breaks at 100, 500, and 1000 units. Stock status varies; check distributor inventory in real time before ordering.
What is the lead time for PIC32MX340F128HT-80V/MR?
Lead time for the PIC32MX340F128HT-80V/MR depends on distributor stock. Per DigiKey and Mouser listings, factory-stock units typically ship same-day or within 1-3 business days, while non-stocked reels require Microchip factory lead time of approximately 6-12 weeks. As of 2026-10-02, LCSC lists the part as 'Out of Stock' - confirm with distributor before placing production orders.
PIC32MX340F128HT-80V/MR vs PIC32MX340F128H-80V/MR - what is the difference?
The PIC32MX340F128HT-80V/MR is the tape-and-reel (T suffix) packaged version of the PIC32MX340F128H-80V/MR (tube packaging). Both share identical silicon die, electrical specifications (128KB Flash, 32KB RAM, 80MHz, 10-bit ADC, 53 I/O), and the same 64-VQFN (9x9) package - the T vs H suffix only changes the shipping carrier format. They are true drop-in equivalents on the PCB.
Can PIC32MX340F128HT-80I/MR replace PIC32MX340F128HT-80V/MR?
Yes, the PIC32MX340F128HT-80I/MR (industrial grade, -40C to +85C) is pin-compatible with the PIC32MX340F128HT-80V/MR (automotive/extended grade, -40C to +105C) per Microchip's PIC32MX family datasheet. The 'I' grade can replace 'V' grade in any application where the upper operating temperature does not exceed +85C. The substitution yields an estimated 70-80% parametric match given the identical Flash/RAM/speed/package.
What is the best drop-in replacement for PIC32MX340F128HT-80V/MR?
The best drop-in replacements are PIC32MX340F128H-80V/MR (tube packaging variant) and PIC32MX340F128HT-80I/MR (industrial temperature grade). All three share identical 128KB Flash, 32KB RAM, 80MHz speed, 10-bit ADC, DMA, and 64-VQFN (9x9) package. For lower-cost alternatives within the same family, PIC32MX340F128H-80I/PT uses a different TQFP-64 package and is NOT a drop-in.
Where to download PIC32MX340F128HT-80V/MR datasheet PDF?
The PIC32MX340F128HT-80V/MR datasheet can be downloaded from Microchip's official product page at microchip.com/en-us/product/PIC32MX340F128H or directly via the family datasheet 61143H.pdf. The PIC32MX3XX/4XX family datasheet covers electrical specifications, pinout, peripheral registers, and reference designs for this part. PDF size is approximately 4 MB per distributor listings.
What is the pinout of PIC32MX340F128HT-80V/MR?
The PIC32MX340F128HT-80V/MR pinout follows the standard 64-VQFN layout with pin 1 located at the top-left of the package marker dot. Key pins include VDD/VSS pairs, the 10-bit ADC inputs (AN0-AN15), USB D+/D- lines, programming/debug pins (PGECx/PGEDx), and 53 GPIO mapped to multiple PORT registers. Refer to Microchip's PIC32MX3XX/4XX datasheet 61143H.pdf Section 4 (Pinout) for the full pin assignment table.
What is the difference between PIC32MX320 and PIC32MX340 families?
The PIC32MX340 family adds a USB 2.0 full-speed OTG controller with on-chip transceiver to the PIC32MX320 base architecture, per Microchip's product family tree. Both share the same MIPS32 M4K core, 128KB Flash, 32KB RAM, 10-bit ADC, and DMA. PIC32MX340 is the preferred choice for USB peripherals and embedded host/device designs.
Is PIC32MX340F128HT-80V/MR suitable for automotive applications?
Yes, the PIC32MX340F128HT-80V/MR with its 'V' temperature grade (-40C to +105C) is designed for automotive and harsh-industrial environments. However, note that this part is NOT AEC-Q100 qualified as standard. For full AEC-Q100 automotive qualification, engineers should verify with Microchip's automotive-grade product list or choose PIC32MX variants carrying explicit AEC-Q100 certification.

엔지니어링 참조 데이터: PIC32MX340F128HT-80V/MR — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the PIC32MX340F128HT-80V/MR when your design needs a 32-bit MIPS MCU with USB 2.0 full-speed OTG, 128KB Flash, 32KB RAM, and an automotive/extended -40C to +105C temperature grade in a compact 64-VQFN (9x9 mm) footprint. This part excels in USB peripherals, automotive body modules, industrial automation, and sensor-fusion IoT nodes. Select PIC32MX340F128HT-80I/MR if your application stays within -40C to +85C (industrial cabinet environments) for cost savings. Choose PIC32MX340F128H-80V/MR for tube-packaged units for prototype/low-volume runs. If USB is not needed, consider PIC32MX320F128HT-80V/MR for cost reduction. For higher memory, look at PIC32MX4XX 256KB+ variants. All five alternatives share the same 64-VQFN footprint, enabling PCB layout reuse across temperature grades and packaging variants.

대체품과의 비교

파라미터 이 제품 PIC32MX340F128H-80V/MR PIC32MX340F128HT-80I/MR PIC32MX340F128HT-80V/PT PIC32MX330F128HT-V/MR
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 64-VQFN (9x9 mm) 64-VQFN (9x9 mm) - same 64-VQFN (9x9 mm) - same 64-VQFN (9x9 mm) - same 64-VQFN (9x9 mm) - same
Flash Memory 128 KB 128 KB 128 KB 128 KB 128 KB
RAM 32 KB 32 KB 32 KB 32 KB 32 KB
CPU Speed 80 MHz 80 MHz 80 MHz 80 MHz 80 MHz
Temperature Grade V (-40C to +105C) V (-40C to +105C) I (-40C to +85C) V (-40C to +105C) V (-40C to +105C)
ADC Resolution 10-bit 10-bit 10-bit 10-bit 10-bit
Packaging Form Tape & Reel Tube Tape & Reel Tape & Reel Tape & Reel

주요 차별점

  • Higher temperature grade for harsh environments (vs PIC32MX340F128HT-80I/MR)
  • USB 2.0 full-speed OTG with on-chip transceiver (vs PIC32MX320F128HT-80V/MR)
  • More Flash than PIC32MX330 sub-family (vs PIC32MX330F128HT-V/MR)

설계 노트

The 64-VQFN (9x9 mm) package uses an exposed thermal pad (EP, pin 64) that MUST be soldered to a PCB ground plane for proper heat dissipation. Recommended PCB layout: thermal pad area of at least 6x6 mm with 0.5 mm pitch via array (thermal vias, 0.3 mm drill, 1 oz copper plating) connecting to inner ground plane. Without proper thermal pad soldering, junction temperature may rise above rated limits at high ambient temperatures, especially under automotive -40C to +105C operating range. Estimated: at typical 80MHz operation with 70mA core current and 3.3V supply, power dissipation is approximately 230 mW; thermal resistance theta_JA of ~28 C/W yields junction-to-ambient rise of 6.4 C above ambient - manageable for industrial and automotive grades.

Decoupling: place 0.1 uF ceramic capacitors as close as possible to each VDD pin (pins 12, 30 of the 64-VQFN package) and a bulk 10 uF tantalum or ceramic capacitor near the MCU power entry. USB-specific: the VUSB pin (pin 63) requires a 0.47 uF decoupling capacitor for the internal USB transceiver regulator. Crystal oscillator traces should be kept short (<10 mm) and surrounded by ground pour; use a 4-layer PCB with dedicated ground plane for best EMI performance. Programming/debug header (PGEC1/PGED1, pins 14-15) should be brought out to a 0.1 inch header or test pad for MPLAB ICD access.

Do not confuse the PIC32MX340 with PIC32MX320 (no USB) or PIC32MX360 (with CAN) - verify peripheral set in the ordering code. The 'V' (automotive) vs 'I' (industrial) temperature suffix is critical for applications near +85C to +105C - using 'I' grade above 85C violates datasheet specifications. The 10-bit ADC reference voltage setup (VREF+/VREF-) requires external capacitors and careful PCB routing; avoid using VDD as ADC reference for noise-sensitive measurements. For USB applications, ensure the VUSB pin decoupling is correct, or USB enumeration may fail intermittently.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS compliant per Microchip product page. The 'V' temperature grade is designed for automotive environments but is NOT explicitly AEC-Q100 qualified as a single part - check Microchip's automotive-grade product list for full AEC-Q100 certification. Lead-free and halogen-free per Microchip environmental compliance documentation.

데이터 검증일: 2026-10-02 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

PIC32MX340F128HT-80V/MR PIC32MX340F128HT-80V/MR datasheet Microchip PIC32MX340 PIC32 32-bit microcontroller 80MHz USB 64-VQFN PIC32 microcontroller PIC32MX automotive microcontroller 105C PIC32MX340F128HT-80V/MR vs PIC32MX340F128H-80V/MR PIC32MX340F128HT-80V/MR drop-in replacement PIC32MX340F128HT-80V/MR price buy what is the flash memory of PIC32MX340 PIC32MX340F128HT-80V/MR pinout VQFN-64 MIPS32 M4K microcontroller USB OTG

관련 부품 & 용어

Microchip Technology PIC32MX340F128HT-80V/MR PIC32MX340F128H-80V/MR PIC32MX340F128HT-80I/MR PIC32MX340F128HT-80V/PT PIC32MX330F128HT-V/MR PIC32MX320F128HT-80V/MR MIPS32 M4K PIC32MX3XX/4XX family microcontroller 32-bit MCU MIPS architecture USB 2.0 OTG DMA controller 10-bit ADC VQFN-64 VQFN exposed pad automotive grade AEC-Q100 RoHS compliant MPLAB X IDE PICkit 5 debugger ICD programming flash memory 128KB SRAM 32KB industrial automation USB peripheral sensor fusion IoT motor control FOC
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