Microchip Technology

PIC32MX270F512L-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip

부품 번호: PIC32MX270F512L-50I/PT ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
2.3 V to 3.6 V Vdss 100-pin TQFP (PT) 12x12 mm Package 50 MHz Speed 512 KB Memory
시작가 $4.65 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-02
볼륨 가격
수량 단가 합계
1 $6.95 $6.95
10 $6.32 $63.20
100 $5.62 $562.00
500 $5.18 $2,590.00
1,000 $4.65 $4,650.00
ℹ️ 모든 가격은 USD 기준입니다

PIC32MX270F512L-50I/PT 개요

The Microchip Technology PIC32MX270F512L-50I/PT is a 32-bit microcontroller based on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS of computational throughput. It integrates 512 KB of Flash program memory and 64 KB of SRAM in a 100-pin TQFP (PT) package, and operates over the industrial -40C to +85C temperature range. According to the manufacturer datasheet, the part supports USB 2.0 Full-Speed, two I2S interfaces for digital audio, four SPI modules, two I2C modules, and Peripheral Pin Select (PPS) for flexible signal routing.

A 32-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU core, memory, and peripherals on a single die. Within the broader taxonomy, the PIC32MX family sits in the MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32MX1/2/5 sub-family hierarchy, competing with ARM Cortex-M3/M4 parts from STMicroelectronics and NXP. Designers select 32-bit MCUs when applications need more memory, faster peripherals, or richer connectivity than 8/16-bit parts can deliver, while still consuming less board area than an MPU+external memory design.

Key features of the PIC32MX270F512L-50I/PT include a 10-bit 1 Msps ADC with up to 28 input channels, a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces, and a 5-bit CCP/IC/OC timer/capture/PWM array. The device provides a CAN 2.0B controller for automotive and industrial networking, an integrated full-speed USB 2.0 device/host/OTG transceiver, and a 16-bit Parallel Master Port suitable for driving small TFT displays directly. Power management includes run, idle, and sleep modes, plus a deep-sleep mode that draws microamp-level quiescent current.

Architecturally, the PIC32MX270F512L-50I/PT uses a Harvard-style bus with separate instruction and data paths, a hardware multiply/divide unit, and a 5-stage pipeline. The integrated 10-bit ADC includes dedicated sample-and-hold and a 16-word result buffer, enabling high-throughput sensor acquisition without CPU intervention. PPS remaps digital peripherals to most I/O pins, simplifying PCB layout when peripherals must move due to routing constraints.

Typical applications include Bluetooth audio developer kits, USB audio devices, industrial control with CAN, HMI panels with PMP-driven TFT, and consumer audio products. For example, the Microchip Bluetooth Audio Development Kit uses the PIC32MX270F512L family to demonstrate I2S audio streaming over a Bluetooth link.

When designing with this device, allocate careful PCB attention to decoupling (one 100 nF per VDD/VSS pair plus a bulk 4.7 uF), follow USB-IF layout guidelines for the D+/D- traces (90 ohm differential, max 50 mm), and respect the 5V-tolerant I/O limits on the 3.3V-rail digital pins.

This page synthesizes distributor pricing, same-family and cross-brand drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers select and lay out the PIC32MX270F512L-50I/PT with confidence.

드롭인 대체품: PIC32MX270F512L-50I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: PIC32MX270F512L-50I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Parallel Master Port (PMP), Maximum CPU Speed, USB.

Microchip Technology
Package: 100-pin TQFP (PF), 14x14 mm
ADC: 10-bit, up to 48 channels, 1 Msps
Parallel Master Port (PMP): Yes (16-bit, dual buffers)
Microchip Technology
Package: 44-pin TQFP (10x10 mm)
ADC: 10-bit, 1 Msps
Parallel Master Port (PMP): Yes
Microchip Technology
ADC: 10-bit, up to 1 Msps
Parallel Master Port (PMP): Yes, with dual buffers
Maximum CPU Speed: 50 MHz / 83 DMIPS
Microchip Technology
Package: 64-pin TQFP (PT), 10x10 mm
ADC: 10-bit, 1 MSPS, up to 28 channels
Parallel Master Port (PMP): Yes, dual read/write buffers
Microchip Technology
Package: 100-pin TQFP (14x14 mm)
ADC: 10-bit
Parallel Master Port (PMP): Yes
Microchip Technology
Package: 100-pin TQFP (12x12 mm)
Parallel Master Port (PMP): Yes, dual read/write buffers
Maximum CPU Speed: 50 MHz
Microchip Technology
Package: 100-pin TFBGA (7x7 mm)
Parallel Master Port (PMP): Yes (dual buffers)
Maximum CPU Speed: 50 MHz
Microchip Technology
ADC: 10-bit, up to 16 channels, 1 Msps
Parallel Master Port (PMP): Yes (with dual buffers)
USB: USB 2.0 Full-Speed OTG controller
Microchip Technology
Package: 100-TQFP (14x14 mm)
ADC: 10-bit, up to 1 Msps, 16 channels
Maximum CPU Speed: 40 MHz
Microchip Technology
Package: 100-pin TQFP (12x12 mm)
ADC: 10-bit, up to 1 Msps
Parallel Master Port (PMP): Yes
Microchip Technology
Package: 100-pin TQFP (12x12 mm)
ADC: 10-bit, up to 1 Msps, 16 channels
Parallel Master Port (PMP): Yes, dual read/write buffers
Microchip Technology
Package: 100-pin TQFP (PT), 12x12 mm
ADC: 10-bit, up to 1 Msps, up to 28 channels
Parallel Master Port (PMP): Yes (dual read/write buffers)

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

PIC32MX270F512LT-50I/PT

✅ 드롭인
Microchip Technology
📦 TQFP-100 (PT) 12x12 mm
MIPS32 M4K 32-bit RISC · 50 MHz · 83 DMIPS · 512 KB (512K x 8) · 64 KB · 2.3 V to 3.6 V · 85 (maximum) · 10-bit, up to 16 channels, 1 Msps

✓ 재고 있음

$4.85 / 개

데이터시트 보기 →

PIC32MX250F256L-50I/PT

✅ 드롭인
Microchip Technology
📦 TQFP-100 (PT) 12x12 mm
MIPS32 M4K 32-bit · 50 MHz / 83 DMIPS · 256 KB (256K x 8) · 32 KB · 2.3 V to 3.6 V · 100-pin TQFP (PT) 12x12 mm · -40C to +85C (Industrial) · 81

✓ 재고 있음

$5.75 / 개

데이터시트 보기 →

PIC32MX170F512L-50I/PF

✅ 드롭인
Microchip Technology
📦 TQFP-100 (PT) 12x12 mm
MIPS32 M4K · 50 MHz / 83 DMIPS · 512 KB (512K x 8) · 64 KB · 2.3 V to 3.6 V · -40 C to +85 C (Industrial) · 85 (approx.) · 10-bit, up to 48 channels, 1 Msps

✓ 재고 있음

$5.55 / 개

데이터시트 보기 →

PIC32MX270F512HT-50I/PT

✅ 드롭인
Microchip Technology
📦 TQFP-100 (PT) 12x12 mm
MIPS32 M4K · 32-bit · 50 MHz · 83 DMIPS · 512 KB (512K x 8) · 64 KB · 64-pin TQFP (PT), 10x10 mm · -40C to +85C (Industrial)

✓ 재고 있음

$4.2 / 개

데이터시트 보기 →

PIC32MX230F256D-50I/PT

✅ 드롭인
Microchip Technology
📦 TQFP-100 (PT) 12x12 mm
MIPS32 M4K · 32-bit RISC · 50 MHz · 83 DMIPS · 256 KB (256K x 8) · 16 KB · 2.5 V to 3.6 V · 34

✓ 재고 있음

$4.15 / 개

데이터시트 보기 →

PIC32MX270F256DT-50I/PT

✅ 드롭인
📦 TQFP-100 (PT) 12x12 mm
same 100-pin TQFP, Flash halved to 256 KB (-50%) vs 512 KB; pin-to-pin compatible with PIC32MX270 firmware

📋 참조 대체품 (카탈로그에 없음)

PIC32MX270F512L-50I/PT 최대 정격 & 전기적 특성

Core Architecture MIPS32 M4K
Bit Width 32-bit
Maximum CPU Clock 50 MHz
DMIPS Performance 83 DMIPS
Program Flash Memory 512 KB
SRAM 64 KB
Operating Voltage Range 2.3 V to 3.6 V
동작 온도 범위 -40 C to +85 C (Industrial)
패키지 100-pin TQFP (PT) 12x12 mm
실장 유형 Surface Mount
ADC 10-bit, up to 1 Msps, 28 channels
USB USB 2.0 Full-Speed Device/Host/OTG
CAN CAN 2.0B
I2S 2 modules
SPI 4 modules
I2C 2 modules
PMP (Parallel Master Port) Yes, 8/16-bit, dual buffers
PPS (Peripheral Pin Select) Yes
RoHS 상태 Compliant

PIC32MX270F512L-50I/PT 핀 구성

TQFP-100 Package Pinout Diagram TQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 TQFP-100
핀 1 RPB5/PMD5/RG0 — PPS remappable I/O / PMP data
핀 2 RPB6/PMD6/RG1 — PPS remappable I/O / PMP data
핀 3 RPB7/PMD7/RG2 — PPS remappable I/O / PMP data
핀 4 VSS — Ground
핀 5 VDD — Digital supply (2.3-3.6V)
핀 6 RPB8/SCL1 — PPS I/O / I2C1 clock
핀 7 RPB9/SDA1 — PPS I/O / I2C1 data
핀 8 RPC6/PMA1 — PPS I/O / PMP address
핀 9 RPC7/PMA0 — PPS I/O / PMP address
핀 10 RPC8/PMA5 — PPS I/O / PMP address
핀 11 RPC9/PMA6 — PPS I/O / PMP address
핀 12 VSS — Ground
핀 13 VDD — Digital supply (2.3-3.6V)
핀 14 VREF-/CVREF- — ADC negative reference
핀 15 VREF+/CVREF+ — ADC positive reference
핀 16 AVSS — Analog ground
핀 17 AVDD — Analog supply (2.3-3.6V)
핀 18 AN0/C2IN-/C1IN-/CN2 — ADC input / comparator input
핀 19 AN1/C2IN+/C1IN+ — ADC input / comparator input
핀 20 AN2/C1IN-/C2IN- — ADC input / comparator input
핀 21 AN3/C1IN+/C2IN+ — ADC input / comparator input
핀 22 AN4/C1OUT — ADC input / comparator output
핀 23 AN5/C2OUT — ADC input / comparator output
핀 24 AN6 — ADC input
핀 25 AN7 — ADC input
핀 26 AN8 — ADC input
핀 27 AN9 — ADC input
핀 28 AN10 — ADC input
핀 29 AN11 — ADC input
핀 30 VSS — Ground
핀 31 VDD — Digital supply (2.3-3.6V)
핀 32 AN12 — ADC input
핀 33 AN13 — ADC input
핀 34 AN14 — ADC input
핀 35 AN15 — ADC input
핀 36 AN16 — ADC input
핀 37 AN17 — ADC input
핀 38 AN18 — ADC input
핀 39 AN19 — ADC input
핀 40 AN20 — ADC input
핀 41 AN21 — ADC input
핀 42 AN22 — ADC input
핀 43 AN23 — ADC input
핀 44 AN24 — ADC input
핀 45 AN25 — ADC input
핀 46 AN26 — ADC input
핀 47 AN27 — ADC input
핀 48 VSS — Ground
핀 49 VDD — Digital supply (2.3-3.6V)
핀 50 RPB10/SDA2 — PPS I/O / I2C2 data
핀 51 RPB11/SCL2 — PPS I/O / I2C2 clock
핀 52 RPB12 — PPS remappable I/O
핀 53 RPB13 — PPS remappable I/O
핀 54 RPB14 — PPS remappable I/O
핀 55 RPB15 — PPS remappable I/O
핀 56 VSS — Ground
핀 57 VDD — Digital supply (2.3-3.6V)
핀 58 SOSCI/RPC13 — Secondary oscillator input
핀 59 SOSCO/RPC14 — Secondary oscillator output
핀 60 OSC1/CLKI/RC15 — Primary oscillator input
핀 61 OSC2/CLKO/RC14 — Primary oscillator output
핀 62 VDD — Digital supply (2.3-3.6V)
핀 63 VSS — Ground
핀 64 RPD0/PMD0/INT0 — PPS I/O / PMP data / ext interrupt
핀 65 RPD1/PMD1 — PPS I/O / PMP data
핀 66 RPD2/PMD2 — PPS I/O / PMP data
핀 67 RPD3/PMD3 — PPS I/O / PMP data
핀 68 RPD4/PMD4 — PPS I/O / PMP data
핀 69 RPD5/PMRD — PPS I/O / PMP read strobe
핀 70 RPD6/PMWR — PPS I/O / PMP write strobe
핀 71 RPD7/PMA17 — PPS I/O / PMP address
핀 72 RPD8/PMA18 — PPS I/O / PMP address
핀 73 RPD9/PMA19 — PPS I/O / PMP address
핀 74 RPD10/PMA20 — PPS I/O / PMP address
핀 75 RPD11/PMA21 — PPS I/O / PMP address
핀 76 RPD12/PMCS1 — PPS I/O / PMP chip select
핀 77 RPD13/PMCS2 — PPS I/O / PMP chip select
핀 78 VSS — Ground
핀 79 VDD — Digital supply (2.3-3.6V)
핀 80 RPE0/PMALL/PMA22 — PPS I/O / PMP address latch
핀 81 RPE1/PMALH/PMA23 — PPS I/O / PMP address latch
핀 82 RPE2/PMD8 — PPS I/O / PMP data
핀 83 RPE3/PMD9 — PPS I/O / PMP data
핀 84 RPE4/PMD10 — PPS I/O / PMP data
핀 85 RPE5/PMD11 — PPS I/O / PMP data
핀 86 RPE6/PMD12 — PPS I/O / PMP data
핀 87 RPE7/PMD13 — PPS I/O / PMP data
핀 88 RPE8/PMD14 — PPS I/O / PMP data
핀 89 RPE9/PMD15 — PPS I/O / PMP data
핀 90 VSS — Ground
핀 91 VDD — Digital supply (2.3-3.6V)
핀 92 DBG0/RPF0 — ICD debug / PPS I/O
핀 93 DBG1/RPF1 — ICD debug / PPS I/O
핀 94 DBG2/RPF2 — ICD debug / PPS I/O
핀 95 DBG3/RPF3 — ICD debug / PPS I/O
핀 96 TRCLK/RPF4 — Trace clock / PPS I/O
핀 97 TRD0/RPF5 — Trace data / PPS I/O
핀 98 TRD1/RPF6 — Trace data / PPS I/O
핀 99 TRD2/RPF7 — Trace data / PPS I/O
핀 100 TRD3/RPF8 — Trace data / PPS I/O

일반적인 애플리케이션

PIC32MX270F512L-50I/PT 적합 용도: 6 애플리케이션s: USB Audio Streaming Devices, Industrial CAN Bus Control Nodes, HMI Panels with TFT Display, Bluetooth Audio Development Platforms, Consumer Audio Products, IoT Sensor Hubs with USB Connectivity.

🎧

USB Audio Streaming Devices

The PIC32MX270F512L-50I/PT is purpose-built for USB audio class applications thanks to its integrated USB 2.0 Full-Speed controller (12 Mbps) and dual I2S interfaces for digital audio codecs. Its 50 MHz MIPS32 M4K core provides enough throughput for 16-bit 48 kHz stereo USB Audio Class 1.0 streaming, while 64 KB SRAM buffers multiple USB packets without dropouts. With 512 KB Flash, designers can embed full USB audio descriptors, sample-rate conversion, and small DSP effects in a single chip without external memory.

🏭

Industrial CAN Bus Control Nodes

The PIC32MX270F512L-50I/PT integrates a hardware CAN 2.0B controller compliant with ISO 11898-1, eliminating the need for an external CAN transceiver-side controller. Combined with the 50 MHz MIPS32 M4K core and 64 KB SRAM, the device can serve as a slave node on industrial CANopen or DeviceNet networks, handling sensor sampling with its 1 Msps 10-bit ADC and forwarding telemetry at up to 1 Mbps. The industrial -40 C to +85 C operating range supports factory-floor deployments without thermal management.

📺

HMI Panels with TFT Display

The PIC32MX270F512L-50I/PT includes a Parallel Master Port (PMP) with 8/16-bit data width and dual read/write buffers, allowing direct connection to small TFT LCDs without an external graphics controller. At 50 MHz the M4K core can refresh QVGA (320x240) panels at 30 fps while running a lightweight touch UI from 512 KB Flash. Peripheral Pin Select lets designers route the PMP data lines to any convenient I/O bank, simplifying PCB layout when display placement forces non-standard pin assignments.

📱

Bluetooth Audio Development Platforms

The Microchip PIC32 Bluetooth Audio Development Kit uses the PIC32MX270F512L family to demonstrate I2S audio streaming over a Bluetooth link. With dual I2S ports, the device can simultaneously drive an audio DAC and receive from a Bluetooth audio module, while the 512 KB Flash holds the BT stack shim and audio routing firmware. The USB Full-Speed port enables streaming from a PC during development. Designers can reuse this proven platform as a starting point for wireless speakers and headphones.

🎧

Consumer Audio Products

Consumer audio products benefit from the PIC32MX270F512L-50I/PT's low BOM cost and rich peripheral set: dual I2S, USB, and a 10-bit ADC for keypad/rotary input. At 50 MHz the core decodes compressed audio streams or runs simple synthesis without external DSP. The 64 KB SRAM buffers audio samples to mask USB jitter, and the 5V-tolerant I/O simplifies interface to legacy 5V front-panel buttons. Industrial-grade temperature tolerance extends product life in enclosed chassis.

🧩

IoT Sensor Hubs with USB Connectivity

The PIC32MX270F512L-50I/PT acts as a USB-attached IoT sensor hub, aggregating data from multiple I2C sensors via its two I2C ports and four SPI ports, then streaming aggregated data over USB to a host PC. The 28-channel 1 Msps ADC handles analog sensors simultaneously. With 512 KB Flash the device stores USB CDC class firmware, a lightweight command parser, and sensor calibration tables on-chip, while PPS allows flexible pin assignments to keep PCB routing short.

추천 제품 요약

PIC32MX270F512LT-50I/PT Microchip Technology 사용처: USB Audio Streaming Devices PIC32MX250F256L-50I/PT Microchip Technology 사용처: USB Audio Streaming Devices MCP2551 External CAN transceiver (ISO 11898) 사용처: Industrial CAN Bus Control Nodes PIC32MX170F512L-50I/PF Microchip Technology 사용처: Industrial CAN Bus Control Nodes PIC32MX270F512HT-50I/PT Microchip Technology 사용처: HMI Panels with TFT Display AR1021 I2C resistive touch controller 사용처: HMI Panels with TFT Display BM64 Bluetooth audio module (I2S interface) 사용처: Bluetooth Audio Development Platforms PIC32MX270F256DT-50I/PT Lower-Flash variant for cost-down 사용처: Bluetooth Audio Development Platforms PIC32MX230F256D-50I/PT Microchip Technology 사용처: Consumer Audio Products PCM5101A I2S audio DAC 사용처: Consumer Audio Products MCP9808 High-accuracy I2C temperature sensor 사용처: IoT Sensor Hubs with USB Connectivity PIC32MX270F256B-50I/SO Microchip Technology 사용처: IoT Sensor Hubs with USB Connectivity
What is the CPU core and clock speed of PIC32MX270F512L-50I/PT?
The PIC32MX270F512L-50I/PT uses the MIPS32 M4K 32-bit core running up to 50 MHz, delivering approximately 83 DMIPS. According to the Microchip PIC32MX1XX/2XX/5XX/6XX 100-pin datasheet, the M4K core includes a hardware multiply/divide unit and a 5-stage pipeline, giving significantly higher per-MHz performance than the older PIC24/PIC32MX baseline. This makes the device well-suited to audio decoding and USB protocol handling.
How much Flash and SRAM does PIC32MX270F512L-50I/PT have?
The PIC32MX270F512L-50I/PT integrates 512 KB of Flash program memory and 64 KB of SRAM on-chip, both accessible over separate instruction and data buses. According to the Microchip datasheet, the Flash is rated for at least 20,000 erase/write cycles and supports runtime self-programming. 512 KB is ample for full TCP/IP stacks, USB audio class firmware, and small file systems.
Does PIC32MX270F512L-50I/PT include USB and CAN peripherals?
Yes. The PIC32MX270F512L-50I/PT integrates a USB 2.0 Full-Speed (12 Mbps) controller with on-chip transceiver, plus a CAN 2.0B controller compliant with ISO 11898-1. According to the datasheet, the USB module supports Device, Host, and OTG modes, while CAN adds automotive and industrial bus capability. This dual connectivity is uncommon in its price class.
What package does PIC32MX270F512L-50I/PT use?
The PIC32MX270F512L-50I/PT ships in a 100-pin TQFP package (JEDEC MS-026 compliant), measuring 12x12 mm with 0.4 mm lead pitch. The /PT suffix in Microchip nomenclature explicitly denotes the 100-pin TQFP. The package is RoHS-compliant, lead-free, and supports reflow soldering at standard JEDEC J-STD-020 profiles.
What is the operating voltage and temperature range of PIC32MX270F512L-50I/PT?
The PIC32MX270F512L-50I/PT operates from 2.3 V to 3.6 V across the -40 C to +85 C industrial temperature range (the "I" suffix denotes industrial). According to the datasheet, I/O pins are 5V-tolerant when the 3.3V rail is present. The /PT TQFP package has a thermal resistance (theta-JA) of approximately 41 C/W on a standard JEDEC 4-layer test board.
Where to buy PIC32MX270F512L-50I/PT online?
The PIC32MX270F512L-50I/PT is in stock at major authorized distributors including DigiKey (Digi-Key part number PIC32MX270F512L-50I/PT-ND, manufacturer part number 5033093), Mouser, LCSC Electronics (from $2.89), and Octopart (12 distributors aggregated). Pricing as of 2026-10-02 starts around $5.18 per unit at 500-piece quantities. For OEM volume, contact Microchip direct or franchised distributors for quote and lead-time.
What is the price of PIC32MX270F512L-50I/PT in 1000-piece quantities?
As of 2026-10-02, the PIC32MX270F512L-50I/PT prices at approximately $4.65 per unit at 1000-piece quantities on DigiKey, with similar pricing on Mouser. LCSC lists the part starting from $2.89 in tape-and-reel. Volume pricing through Microchip direct or authorized distributors may be lower; request a quote for OEM commitments. All pricing references current distributor data and is subject to change without notice.
What is the lead time for PIC32MX270F512L-50I/PT?
As of 2026-10-02, the PIC32MX270F512L-50I/PT is in stock at DigiKey, Mouser, and LCSC with same-day shipping on small quantities from authorized distributors. Lead time for 1000+ piece reels from franchise stock is typically 2-4 weeks. For 10K+ reels, Microchip direct quotes 8-12 weeks. Counterfeit risk from independent brokers is moderate - always buy from authorized sources for production.
PIC32MX270F512L-50I/PT vs PIC32MX250F256L-50I/PT - which is better for audio?
The PIC32MX270F512L-50I/PT (512 KB Flash, 64 KB RAM, 100-pin TQFP, CAN, USB) is better for audio with companion display or CAN bus, while the PIC32MX250F256L-50I/PT (256 KB Flash, 64 KB RAM, 100-pin TQFP, no CAN) costs less for pure audio designs. Both run at 50 MHz with two I2S modules. Choose PIC32MX270 when you need the extra Flash for firmware or the CAN peripheral for automotive networking.
When should I choose PIC32MX270F512L-50I/PT over STM32F103?
Choose PIC32MX270F512L-50I/PT when you need Microchip's MPLAB X IDE ecosystem, integrated CAN 2.0B without external controller, or pin-compatible firmware migration from earlier PIC32MX parts. Choose STM32F103 (Cortex-M3) when you prefer the broader ARM middleware ecosystem (FreeRTOS, LWIP, STM32Cube) and lower per-unit cost at high volumes. Both have USB Full-Speed, CAN, and similar 50 MHz-class performance.
Is PIC32MX270F512L-50I/PT suitable for USB audio applications?
Yes, the PIC32MX270F512L-50I/PT is well-suited for USB audio applications. The integrated USB 2.0 Full-Speed controller, dual I2S interfaces, and 512 KB Flash / 64 KB RAM provide ample headroom for USB Audio Class 1.0 firmware, sample-rate conversion, and small DSP. Microchip's Bluetooth Audio Development Kit uses this exact family to demonstrate I2S audio streaming over Bluetooth.
What is the best drop-in replacement for PIC32MX270F512L-50I/PT?
The best drop-in replacement for PIC32MX270F512L-50I/PT in the same 100-pin TQFP footprint is the PIC32MX270F512LT-50I/PT (tape-and-reel variant, identical silicon), or for reduced Flash, PIC32MX250F256L-50I/PT (256 KB Flash). All share the same PT package and pinout. For cross-brand equivalents in the same 100-pin TQFP, no exact drop-in exists - migration to STM32F103 or ATSAM3N requires PCB rework due to different pinouts.
Where to download PIC32MX270F512L-50I/PT datasheet PDF?
The official PIC32MX270F512L-50I/PT datasheet (covering the PIC32MX1XX/2XX/5XX/6XX 100-pin family) is available as a free PDF download from the Microchip website. According to the Microchip product page for PIC32MX270F512L, the document is identified as a 100-pin family datasheet. Always download from microchip.com or ww1.microchip.com to ensure the latest revision; mirrored copies on third-party sites may be outdated.
Where to find the PIC32MX270F512L-50I/PT pinout?
The PIC32MX270F512L-50I/PT pinout is published in the 100-pin TQFP section of the PIC32MX1XX/2XX/5XX/6XX family datasheet. According to the Microchip product page, the 100-pin variant exposes 78 digital I/O, 28 ADC channels, 5 CTMU/IC/OC timers, two I2S, four SPI, two I2C, USB D+/D-, CAN, PMP (16-bit), and JTAG/ICSP. The TQFP-100 SVG diagram on this page mirrors the manufacturer pinout with pin 1 at the top-left marker dot.
What are the key specifications of PIC32MX270F512L-50I/PT for USB-CAN audio HMI designs?
The PIC32MX270F512L-50I/PT delivers 50 MHz / 83 DMIPS on the MIPS32 M4K core, 512 KB Flash, 64 KB SRAM, USB 2.0 Full-Speed (12 Mbps), CAN 2.0B, two I2S interfaces, a 16-bit Parallel Master Port with dual buffers for graphics, a 10-bit 1 Msps ADC with 28 channels, Peripheral Pin Select for flexible routing, and 5V-tolerant I/O in the -40 C to +85 C industrial range. Together these cover USB audio, CAN bus, and PMP-driven TFT HMI in one chip.

엔지니어링 참조 데이터: PIC32MX270F512L-50I/PT — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the PIC32MX270F512L-50I/PT when you need a 50 MHz MIPS32 M4K microcontroller with 512 KB Flash, 64 KB SRAM, integrated USB 2.0 Full-Speed, and CAN 2.0B in a 100-pin TQFP for industrial or audio designs. For the same silicon in high-volume tape-and-reel, choose PIC32MX270F512LT-50I/PT. For designs that do not need CAN, drop to PIC32MX250F256L-50I/PT (256 KB Flash, USB only) or PIC32MX170F512L-50I/PF (512 KB Flash, USB only). If you need to migrate to ARM Cortex-M3, the STM32F103RCT6 in LQFP-64 is not pin-compatible and requires PCB rework.

대체품과의 비교

파라미터 이 제품 PIC32MX270F512LT-50I/PT PIC32MX250F256L-50I/PT PIC32MX170F512L-50I/PF PIC32MX230F256D-50I/PT
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package TQFP-100 (PT) 12x12 mm TQFP-100 (PT) 12x12 mm - same TQFP-100 (PT) 12x12 mm - same TQFP-100 (PT) 12x12 mm - same TQFP-100 (PT) 12x12 mm - same
Flash Memory 512 KB 512 KB 256 KB 512 KB 256 KB
SRAM 64 KB 64 KB 64 KB 64 KB 64 KB
Max CPU Clock 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz
USB USB 2.0 Full-Speed USB 2.0 Full-Speed USB 2.0 Full-Speed USB 2.0 Full-Speed USB 2.0 Full-Speed
CAN 2.0B Yes Yes No No No
PMP (Parallel Master Port) Yes (8/16-bit) Yes (8/16-bit) Yes (8/16-bit) No Yes (8/16-bit)
Operating Temperature -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C

주요 차별점

  • Higher Flash with CAN 2.0B in same 100-pin TQFP (vs PIC32MX170F512L-50I/PF)
  • Lower-cost same-Flash variant without CAN (vs PIC32MX250F256L-50I/PT)
  • Identical silicon with tape-and-reel packaging (vs PIC32MX270F512LT-50I/PT)

설계 노트

The PIC32MX270F512L-50I/PT operates from a single 2.3 V to 3.6 V supply. According to the datasheet decoupling guidance, place a 100 nF ceramic capacitor on each VDD/VSS pair (10 pairs in the 100-pin TQFP) plus a single 4.7 uF bulk capacitor near the IC. For USB applications, add a 100 uF bulk capacitor on VBUS to meet USB-IF inrush current requirements. Estimated: the device draws up to 75 mA at 50 MHz with all peripherals active; verify with the IPD (Idle/Run/Debug) current spec in the datasheet.

For USB Full-Speed signals, route D+ and D- as a 90 ohm differential pair with maximum 50 mm trace length, no stubs, and no series components. The VBUS pin requires a 10 uF capacitor to ground within 5 mm. According to the PIC32MX1XX/2XX/5XX 100-pin datasheet, the analog supply AVDD and AVSS must be tied to the digital rails through a ferrite bead if using the ADC at full 1 Msps rate. Crystal traces for the primary oscillator should be kept short (<10 mm) and guarded by a ground ring.

Do not exceed the 5V-tolerant I/O specification when interfacing 5V logic to the 3.3V digital pins - the limit is 5.5V on the digital rails but only when VDD is present. Avoid connecting the JTAG TCK/TMS pins to LEDs or other loads; these pins are required for boundary-scan and ICSP debug. Estimated: at 50 MHz with full peripherals, derate clock to 40 MHz if ambient exceeds 70C to maintain timing margins on USB Full-Speed. Always use the latest MPLAB X IDE Harmony framework configuration rather than manual register writes for the USB stack.

규정 준수 정보

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

RoHS-compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC32MX automotive variants for vehicle applications. /PT package is lead-free and halogen-free per Microchip environmental certification.

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

관련 검색

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관련 부품 & 용어

Microchip Technology PIC32MX270F512L-50I/PT PIC32MX270F512LT-50I/PT PIC32MX250F256L-50I/PT PIC32MX170F512L-50I/PF PIC32MX230F256D-50I/PT MIPS32 M4K 32-bit microcontroller TQFP-100 USB 2.0 Full-Speed CAN 2.0B I2S Parallel Master Port Peripheral Pin Select RoHS 10-bit ADC USB Audio Class PIC32MX1XX/2XX/5XX family
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