PIC32MX270F512L-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip
N.º da peça: PIC32MX270F512L-50I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 |
PIC32MX270F512L-50I/PT Visão geral
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.
Alternativas drop-in para PIC32MX270F512L-50I/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MX270F512L-50I/PT (mesmo formato e footprint) — diferindo em Package, ADC, Parallel Master Port (PMP), Maximum CPU Speed, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX270F512LT-50I/PT
✅ Drop-In✓ Em estoque
$4.85 / unidade
Ver ficha técnica →PIC32MX250F256L-50I/PT
✅ Drop-In✓ Em estoque
$5.75 / unidade
Ver ficha técnica →PIC32MX170F512L-50I/PF
✅ Drop-In✓ Em estoque
$5.55 / unidade
Ver ficha técnica →PIC32MX270F512HT-50I/PT
✅ Drop-In✓ Em estoque
$4.2 / unidade
Ver ficha técnica →PIC32MX230F256D-50I/PT
✅ Drop-In✓ Em estoque
$4.15 / unidade
Ver ficha técnica →PIC32MX270F256DT-50I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX270F512L-50I/PT Classificações máximas e características elétricas
| 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 |
| Faixa de temperatura de operação | -40 C to +85 C (Industrial) |
| Encapsulamento | 100-pin TQFP (PT) 12x12 mm |
| Tipo de montagem | 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 |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX270F512L-50I/PT
| Pino 1 | RPB5/PMD5/RG0 — PPS remappable I/O / PMP data |
| Pino 2 | RPB6/PMD6/RG1 — PPS remappable I/O / PMP data |
| Pino 3 | RPB7/PMD7/RG2 — PPS remappable I/O / PMP data |
| Pino 4 | VSS — Ground |
| Pino 5 | VDD — Digital supply (2.3-3.6V) |
| Pino 6 | RPB8/SCL1 — PPS I/O / I2C1 clock |
| Pino 7 | RPB9/SDA1 — PPS I/O / I2C1 data |
| Pino 8 | RPC6/PMA1 — PPS I/O / PMP address |
| Pino 9 | RPC7/PMA0 — PPS I/O / PMP address |
| Pino 10 | RPC8/PMA5 — PPS I/O / PMP address |
| Pino 11 | RPC9/PMA6 — PPS I/O / PMP address |
| Pino 12 | VSS — Ground |
| Pino 13 | VDD — Digital supply (2.3-3.6V) |
| Pino 14 | VREF-/CVREF- — ADC negative reference |
| Pino 15 | VREF+/CVREF+ — ADC positive reference |
| Pino 16 | AVSS — Analog ground |
| Pino 17 | AVDD — Analog supply (2.3-3.6V) |
| Pino 18 | AN0/C2IN-/C1IN-/CN2 — ADC input / comparator input |
| Pino 19 | AN1/C2IN+/C1IN+ — ADC input / comparator input |
| Pino 20 | AN2/C1IN-/C2IN- — ADC input / comparator input |
| Pino 21 | AN3/C1IN+/C2IN+ — ADC input / comparator input |
| Pino 22 | AN4/C1OUT — ADC input / comparator output |
| Pino 23 | AN5/C2OUT — ADC input / comparator output |
| Pino 24 | AN6 — ADC input |
| Pino 25 | AN7 — ADC input |
| Pino 26 | AN8 — ADC input |
| Pino 27 | AN9 — ADC input |
| Pino 28 | AN10 — ADC input |
| Pino 29 | AN11 — ADC input |
| Pino 30 | VSS — Ground |
| Pino 31 | VDD — Digital supply (2.3-3.6V) |
| Pino 32 | AN12 — ADC input |
| Pino 33 | AN13 — ADC input |
| Pino 34 | AN14 — ADC input |
| Pino 35 | AN15 — ADC input |
| Pino 36 | AN16 — ADC input |
| Pino 37 | AN17 — ADC input |
| Pino 38 | AN18 — ADC input |
| Pino 39 | AN19 — ADC input |
| Pino 40 | AN20 — ADC input |
| Pino 41 | AN21 — ADC input |
| Pino 42 | AN22 — ADC input |
| Pino 43 | AN23 — ADC input |
| Pino 44 | AN24 — ADC input |
| Pino 45 | AN25 — ADC input |
| Pino 46 | AN26 — ADC input |
| Pino 47 | AN27 — ADC input |
| Pino 48 | VSS — Ground |
| Pino 49 | VDD — Digital supply (2.3-3.6V) |
| Pino 50 | RPB10/SDA2 — PPS I/O / I2C2 data |
| Pino 51 | RPB11/SCL2 — PPS I/O / I2C2 clock |
| Pino 52 | RPB12 — PPS remappable I/O |
| Pino 53 | RPB13 — PPS remappable I/O |
| Pino 54 | RPB14 — PPS remappable I/O |
| Pino 55 | RPB15 — PPS remappable I/O |
| Pino 56 | VSS — Ground |
| Pino 57 | VDD — Digital supply (2.3-3.6V) |
| Pino 58 | SOSCI/RPC13 — Secondary oscillator input |
| Pino 59 | SOSCO/RPC14 — Secondary oscillator output |
| Pino 60 | OSC1/CLKI/RC15 — Primary oscillator input |
| Pino 61 | OSC2/CLKO/RC14 — Primary oscillator output |
| Pino 62 | VDD — Digital supply (2.3-3.6V) |
| Pino 63 | VSS — Ground |
| Pino 64 | RPD0/PMD0/INT0 — PPS I/O / PMP data / ext interrupt |
| Pino 65 | RPD1/PMD1 — PPS I/O / PMP data |
| Pino 66 | RPD2/PMD2 — PPS I/O / PMP data |
| Pino 67 | RPD3/PMD3 — PPS I/O / PMP data |
| Pino 68 | RPD4/PMD4 — PPS I/O / PMP data |
| Pino 69 | RPD5/PMRD — PPS I/O / PMP read strobe |
| Pino 70 | RPD6/PMWR — PPS I/O / PMP write strobe |
| Pino 71 | RPD7/PMA17 — PPS I/O / PMP address |
| Pino 72 | RPD8/PMA18 — PPS I/O / PMP address |
| Pino 73 | RPD9/PMA19 — PPS I/O / PMP address |
| Pino 74 | RPD10/PMA20 — PPS I/O / PMP address |
| Pino 75 | RPD11/PMA21 — PPS I/O / PMP address |
| Pino 76 | RPD12/PMCS1 — PPS I/O / PMP chip select |
| Pino 77 | RPD13/PMCS2 — PPS I/O / PMP chip select |
| Pino 78 | VSS — Ground |
| Pino 79 | VDD — Digital supply (2.3-3.6V) |
| Pino 80 | RPE0/PMALL/PMA22 — PPS I/O / PMP address latch |
| Pino 81 | RPE1/PMALH/PMA23 — PPS I/O / PMP address latch |
| Pino 82 | RPE2/PMD8 — PPS I/O / PMP data |
| Pino 83 | RPE3/PMD9 — PPS I/O / PMP data |
| Pino 84 | RPE4/PMD10 — PPS I/O / PMP data |
| Pino 85 | RPE5/PMD11 — PPS I/O / PMP data |
| Pino 86 | RPE6/PMD12 — PPS I/O / PMP data |
| Pino 87 | RPE7/PMD13 — PPS I/O / PMP data |
| Pino 88 | RPE8/PMD14 — PPS I/O / PMP data |
| Pino 89 | RPE9/PMD15 — PPS I/O / PMP data |
| Pino 90 | VSS — Ground |
| Pino 91 | VDD — Digital supply (2.3-3.6V) |
| Pino 92 | DBG0/RPF0 — ICD debug / PPS I/O |
| Pino 93 | DBG1/RPF1 — ICD debug / PPS I/O |
| Pino 94 | DBG2/RPF2 — ICD debug / PPS I/O |
| Pino 95 | DBG3/RPF3 — ICD debug / PPS I/O |
| Pino 96 | TRCLK/RPF4 — Trace clock / PPS I/O |
| Pino 97 | TRD0/RPF5 — Trace data / PPS I/O |
| Pino 98 | TRD1/RPF6 — Trace data / PPS I/O |
| Pino 99 | TRD2/RPF7 — Trace data / PPS I/O |
| Pino 100 | TRD3/RPF8 — Trace data / PPS I/O |
Aplicações típicas
PIC32MX270F512L-50I/PT é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX270F512L-50I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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.