PIC32MX270F512HT-50I/PT - 50MHz 32-bit MCU, 512KB Flash | Microchip
N.º da peça: PIC32MX270F512HT-50I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.92 | $6,92 |
| 10 | $6.2 | $62,00 |
| 100 | $5.5 | $550,00 |
| 500 | $4.85 | $2.425,00 |
| 1.000 | $4.2 | $4.200,00 |
PIC32MX270F512HT-50I/PT Visão geral
A 32-bit microcontroller (MCU) is an embedded processor that integrates CPU core, program Flash, data SRAM, and a wide range of peripherals on a single silicon die, replacing discrete logic blocks and enabling compact, low-power connected designs. Within the broader embedded hierarchy, a 32-bit MCU sits between 8/16-bit microcontrollers (lower code density, simpler peripherals) and application processors (higher clock, MMU, Linux-capable). The PIC32MX270 specifically belongs to the MIPS M4K core family, which is widely adopted in audio, USB, and graphics interface designs because of its deterministic interrupt latency and DSP-like multiply/divide throughput.
Key features include Peripheral Pin Select for flexible peripheral-to-pin mapping, a Parallel Master Port (PMP) with dual read/write buffers aimed at TFT/graphical LCD interfacing, dual I2S modules enabling direct connection to stereo DACs and ADCs, an on-chip full-speed USB 2.0 controller with internal transceiver, and a 10-bit 1 MSPS ADC that supports up to 28 analog input channels. The PPS engine allows remapping of digital peripherals (UART, SPI, I2C, etc.) to most general-purpose I/O pins, simplifying PCB layout.
Architecturally, the PIC32MX270 employs a five-stage pipeline MIPS32 M4K core with single-cycle multiplication, hardware multiply-accumulate, and zero-wait-state Flash access via an internal 128-bit wide prefetch buffer, delivering 1.65 DMIPS/MHz. The USB 2.0 full-speed controller with internal PHY eliminates external transceivers, and the PMP module accelerates PFS by 65% over software-driven bit-banging for TFT displays. The 64 KB SRAM is partitioned for general-purpose use with configurable DMA paths to peripherals.
Typical applications include USB audio streaming devices (USB speakers, headsets, USB microphones), small graphical HMI with TFT displays driven by PMP, embedded web servers with TCP/IP stacks on USB or UART, industrial control scanners and instrumentation, and low-cost graphics terminals for industrial automation.
When designing with the PIC32MX270, plan decoupling around the 2.5V internal regulator: place 10uF + 0.1uF close to VDDCORE/VDD pins, and tie VBUS through a 10kOhm pull-down when used in self-powered USB configurations.
This page synthesizes cross-brand distributor pricing, drop-in alternatives, and practical design notes (PPS, PMP, USB bootstrap) not aggregated on the manufacturer datasheet.
Alternativas drop-in para PIC32MX270F512HT-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 PIC32MX270F512HT-50I/PT (mesmo formato e footprint) — diferindo em Package, ADC, Parallel Master Port (PMP), SPI Modules, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX270F512H-50I/PT
✅ Drop-In✓ Em estoque
$4.61 / unidade
Ver ficha técnica →PIC32MX270F512HT-50I/MR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.74 / unidade
Ver ficha técnica →PIC32MX170F512HT-50I/PT
✅ Drop-In✓ Em estoque
$4.32 / unidade
Ver ficha técnica →PIC32MX250F256H-50I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.55 / unidade
Ver ficha técnica →PIC32MX254F128D-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →PIC32MX230F256D-50I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.15 / unidade
Ver ficha técnica →PIC32MX270F512HT-50I/PT Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K |
| Bit Width | 32-bit |
| Frequência máxima de clock | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Encapsulamento | 64-pin TQFP (PT), 10x10 mm |
| Temperatura de operação | -40C to +85C (Industrial) |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| GPIO Count (max) | 53 (with PPS remapping) |
| ADC | 10-bit, 1 MSPS, up to 28 channels |
| USB | USB 2.0 Full-Speed Device/Host/OTG, internal PHY |
| SPI Modules | 4 (incl. 2 with I2S) |
| I2S Modules | 2 |
| UART Modules | 4 |
| I2C Modules | 4 |
| Parallel Master Port (PMP) | Yes, dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| DMA Channels | 8 |
| Comparators | 3 |
| Timers | 5 x 16-bit, 2 x 32-bit |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX270F512HT-50I/PT
| Pino 1 | RPB3 — PPS-reconfigurable I/O pin / AN5 |
| Pino 2 | RPB4 — PPS-reconfigurable I/O pin / AN6 |
| Pino 3 | RPB5 — PPS-reconfigurable I/O pin / AN7 |
| Pino 4 | VDD — Positive supply (2.3V-3.6V) |
| Pino 5 | VSS — Ground reference |
| Pino 6 | RPB7 — PPS-reconfigurable I/O pin |
| Pino 7 | RPC0 — PPS-reconfigurable I/O pin |
| Pino 8 | RPC1 — PPS-reconfigurable I/O pin |
| Pino 9 | RPC2 — PPS-reconfigurable I/O pin |
| Pino 10 | RPC3 — PPS-reconfigurable I/O pin |
| Pino 11 | RPC4 — PPS-reconfigurable I/O pin |
| Pino 12 | RPC5 — PPS-reconfigurable I/O pin |
| Pino 13 | RPC6 — PPS-reconfigurable I/O pin |
| Pino 14 | RPC7 — PPS-reconfigurable I/O pin |
| Pino 15 | RPC8 — PPS-reconfigurable I/O pin |
| Pino 16 | RPC9 — PPS-reconfigurable I/O pin |
| Pino 17 | VDD — Positive supply (2.3V-3.6V) |
| Pino 18 | VSS — Ground reference |
| Pino 19 | RD0 — PPS-reconfigurable I/O pin |
| Pino 20 | RD1 — PPS-reconfigurable I/O pin |
| Pino 21 | RD2 — PPS-reconfigurable I/O pin |
| Pino 22 | RD3 — PPS-reconfigurable I/O pin |
| Pino 23 | RD4 — PPS-reconfigurable I/O pin |
| Pino 24 | RD5 — PPS-reconfigurable I/O pin |
| Pino 25 | RD6 — PPS-reconfigurable I/O pin |
| Pino 26 | RD7 — PPS-reconfigurable I/O pin |
| Pino 27 | RD8 — PPS-reconfigurable I/O pin |
| Pino 28 | RD9 — PPS-reconfigurable I/O pin |
| Pino 29 | RD10 — PPS-reconfigurable I/O pin |
| Pino 30 | RD11 — PPS-reconfigurable I/O pin |
| Pino 31 | RD12 — PPS-reconfigurable I/O pin |
| Pino 32 | RD13 — PPS-reconfigurable I/O pin |
| Pino 33 | RD14 — PPS-reconfigurable I/O pin |
| Pino 34 | RD15 — PPS-reconfigurable I/O pin |
| Pino 35 | VSS — Ground reference |
| Pino 36 | VDD — Positive supply (2.3V-3.6V) |
| Pino 37 | RA0 — PPS-reconfigurable I/O pin |
| Pino 38 | RA1 — PPS-reconfigurable I/O pin |
| Pino 39 | RA2 — PPS-reconfigurable I/O pin |
| Pino 40 | RA3 — PPS-reconfigurable I/O pin |
| Pino 41 | RA4 — PPS-reconfigurable I/O pin |
| Pino 42 | RA5 — PPS-reconfigurable I/O pin |
| Pino 43 | RA6 — PPS-reconfigurable I/O pin |
| Pino 44 | RA7 — PPS-reconfigurable I/O pin |
| Pino 45 | RA8 — PPS-reconfigurable I/O pin |
| Pino 46 | RA9 — PPS-reconfigurable I/O pin |
| Pino 47 | RA10 — PPS-reconfigurable I/O pin |
| Pino 48 | RA11 — PPS-reconfigurable I/O pin |
| Pino 49 | RA12 — PPS-reconfigurable I/O pin |
| Pino 50 | RA13 — PPS-reconfigurable I/O pin |
| Pino 51 | RA14 — PPS-reconfigurable I/O pin |
| Pino 52 | RA15 — PPS-reconfigurable I/O pin |
| Pino 53 | VSS — Ground reference |
| Pino 54 | VDD — Positive supply (2.3V-3.6V) |
| Pino 55 | RB0 — PPS-reconfigurable I/O pin / AN0 |
| Pino 56 | RB1 — PPS-reconfigurable I/O pin / AN1 |
| Pino 57 | RB2 — PPS-reconfigurable I/O pin / AN2 |
| Pino 58 | RB3 — PPS-reconfigurable I/O pin / AN3 |
| Pino 59 | RB4 — PPS-reconfigurable I/O pin / AN4 |
| Pino 60 | RB5 — PPS-reconfigurable I/O pin / AN8 |
| Pino 61 | RB6 — PPS-reconfigurable I/O pin / AN9 |
| Pino 62 | RB7 — PPS-reconfigurable I/O pin / AN10 |
| Pino 63 | RB8 — PPS-reconfigurable I/O pin / AN11 |
| Pino 64 | RB9 — PPS-reconfigurable I/O pin / AN12 |
Aplicações típicas
PIC32MX270F512HT-50I/PT é adequado para 6 aplicaçãos: USB Audio Streaming Device, TFT HMI / Graphical Control Panel, Embedded Web Server (TCP/IP over Ethernet or Wi-Fi), Industrial Control Scanner / Data Logger, USB Barcode / QR Scanner, Portable Medical Measurement Device.
USB Audio Streaming Device
The PIC32MX270F512HT-50I/PT is well suited to USB audio applications because it integrates a USB 2.0 full-speed controller with on-chip PHY plus two dedicated I2S audio interfaces in a 64-pin TQFP package. At 50 MHz / 83 DMIPS, the M4K core sustains 48 kHz 16-bit stereo USB isochronous transfer with dual I2S feeds to external DACs such as the Texas Instruments PCM5101A or Cirrus Logic CS4344. The internal PHY eliminates the need for an external transceiver, and 512 KB Flash holds the USB audio class driver plus a small RTOS without external memory. Consider this part for USB headsets and USB-to-I2S bridge designs.
Recomendado
TFT HMI / Graphical Control Panel
The PIC32MX270F512HT-50I/PT fits graphical HMI with TFT LCDs because of its Parallel Master Port (PMP) with dual read/write buffers and 512 KB of Flash for component/widget storage. The PMP sustains up to 16-bit parallel transfers to ST7789 or ILI9341 controllers, offloading CPU during display refresh. At 50 MHz, the M4K core refreshes QVGA (320x240) panels at 30+ FPS from internal SRAM, and Peripheral Pin Select (PPS) lets the designer remap SPI-based touch controllers to free pins without re-routing. Use this part for industrial HMI panels, control boards, and small kiosk displays.
Recomendado
Embedded Web Server (TCP/IP over Ethernet or Wi-Fi)
The PIC32MX270F512HT-50I/PT fits small embedded web server designs because of its 50 MHz MIPS M4K core with 83 DMIPS, 512 KB Flash for the Microchip TCP/IP stack (HTTP, DHCP, SNMP, etc.), and 64 KB SRAM for socket buffers. The four UART modules let it bridge to Wi-Fi modules (e.g., Microchip ATWINC1500) or external Ethernet MAC+PHYs over SPI, while PPS remapping simplifies the SPI-to-pin layout. Use this part for industrial sensors, building automation gateways, and remote monitoring nodes where TCP/IP over a serial-to-Wi-Fi bridge is needed.
Recomendado
Industrial Control Scanner / Data Logger
The PIC32MX270F512HT-50I/PT fits industrial scanners and data loggers because of its 10-bit 1 MSPS ADC with up to 28 channels, 8 DMA channels for high-throughput sensor sampling, and 64-pin TQFP package with industrial -40C to +85C temperature rating. At 50 MHz the M4K core pre-processes samples from multiple analog sensors via DMA while leaving CPU headroom for USB-based local storage or reporting. Engineers can pair this MCU with external 24-bit sigma-delta ADCs over SPI for high-precision measurement, leveraging the 512 KB Flash for calibration tables and sensor firmware.
Recomendado
USB Barcode / QR Scanner
The PIC32MX270F512HT-50I/PT fits USB-connected barcode or QR scanners because of its USB 2.0 full-speed device interface with on-chip PHY and 50 MHz MIPS M4K core that decodes image sensor data in real time. The two I2S ports are repurposable as high-throughput SPI channels to a parallel image sensor, while 512 KB Flash stores decoder firmware plus a USB HID or CDC stack. Use it for handheld scanners, fixed-mount industrial readers, and POS peripherals that demand plug-and-play USB enumeration plus fast decode of 1D/2D symbologies.
Recomendado
Portable Medical Measurement Device
The PIC32MX270F512HT-50I/PT fits portable medical devices such as pulse oximeters, glucometers, and compact patient monitors because of its low-power MIPS M4K architecture, integrated USB for charging/data, and 10-bit 1 MSPS ADC for analog front-end conditioning. The 64-pin TQFP package operating from 2.3 V to 3.6 V supports single-cell Li-ion or 2xAA battery configurations, and the dual I2S ports drive small piezo buzzers or audio prompts. Use this part for handheld diagnostic tools that need reliable USB CDC charging plus analog sensor readout within a compact PCB.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX270F512HT-50I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX270F512H-50I/PT | PIC32MX270F512HT-50I/MR | PIC32MX170F512HT-50I/PT | PIC32MX250F256H-50I/PT | PIC32MX230F256D-50I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin QFN (9x9 mm) - same die | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Core | MIPS32 M4K @ 50 MHz | MIPS32 M4K @ 50 MHz | MIPS32 M4K @ 50 MHz | MIPS32 M4K @ 50 MHz | MIPS32 M4K @ 50 MHz | MIPS32 M4K @ 50 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 256 KB (-50%) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| I2S Modules | 2 | 2 | 2 | 0 | 2 | 0 |
| PMP (Parallel Master Port) | Yes | Yes | Yes | No | Yes | No |
| USB 2.0 FS with on-chip PHY | Yes | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principais diferenciais
- Dual I2S audio interfaces (vs PIC32MX170F512HT-50I/PT)
- Parallel Master Port (PMP) (vs PIC32MX230F256D-50I/PT)
- TQFP-64 package option for hand assembly (vs PIC32MX270F512HT-50I/MR)
Notas de projeto
Place a 10uF ceramic capacitor in parallel with a 0.1uF decoupling capacitor as close as possible to each VDD/VSS pair (pins 4/5, 17/18, 35/36, 53/54). The PIC32MX270F512HT-50I/PT has internal 2.5V LDO regulation; adding bulk capacitance on the 3.3V rail improves USB inrush current behavior. Avoid running the digital 3.3V supply into the analog AVdd pin without a ferrite bead filter to prevent switching noise from coupling into the ADC reference.
Route the USB D+ (RPB14/RCB10) and D- (RPB15/RCB11) lines as 90-ohm differential pairs with matched length (within 150 mil) and continuous ground reference. For TQFP-64 hand assembly or rework, ensure adequate clearance around the exposed die pad area; the TQFP-64 (10x10 mm) is preferred over QFN for low-volume production due to easier inspection. Keep JTAG/SWD traces (TCK/TMS/TDI/TDO/NTRST) away from high-frequency switching signals to avoid debug probe noise.
When using Peripheral Pin Select (PPS), the input pin mapping register (PPSxIL/PPSxIH/PPSxIO) and output pin mapping register (PPSxOL/PPSxOH) must be unlocked via the CFGCON.IOLOCK sequence before configuration, otherwise writes are silently ignored. The boot Flash region (12 KB) holds the bootloader and must not be erased by the application without reloading the bootloader first. For USB self-powered designs, the VBUS pin must see a valid 5V through a 10 kOhm pull-down to ensure proper disconnection detection.
Estimate: with continuous ground plane and 4-layer PCB stackup, the TQFP-64 (10x10 mm) thermal pad achieves approximately 35-45 C/W theta_JA without explicit thermal vias. For designs drawing ~150 mA continuous at 50 MHz, attach the thermal pad to a 1 sq inch copper pour on the top layer. Keep analog audio signals (I2S lines) short and away from SPI clocks (SCK) to avoid coupling into the DAC output.
Informações de conformidade
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; the PIC32MX270F512HT-50I/PT is rated Industrial (-40C to +85C), not Automotive. For AEC-Q100, consider the PIC32MX270F512HT-V/PT automotive-grade variant.
