PIC32MX270F512HT-50I/PT - 50MHz 32-bit MCU, 512KB Flash | Microchip
Référence : PIC32MX270F512HT-50I/PT ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour PIC32MX270F512HT-50I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC32MX270F512HT-50I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Parallel Master Port (PMP), SPI Modules, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC32MX270F512H-50I/PT
✅ Remplacement direct✓ En stock
$4.61 / unité
Voir la fiche technique →PIC32MX270F512HT-50I/MR
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.74 / unité
Voir la fiche technique →PIC32MX170F512HT-50I/PT
✅ Remplacement direct✓ En stock
$4.32 / unité
Voir la fiche technique →PIC32MX250F256H-50I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.55 / unité
Voir la fiche technique →PIC32MX254F128D-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →PIC32MX230F256D-50I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.15 / unité
Voir la fiche technique →PIC32MX270F512HT-50I/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | MIPS32 M4K |
| Bit Width | 32-bit |
| Fréquence d'horloge maximale | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Boîtier | 64-pin TQFP (PT), 10x10 mm |
| Température de fonctionnement | -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 |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
Configuration des broches de PIC32MX270F512HT-50I/PT
| Broche 1 | RPB3 — PPS-reconfigurable I/O pin / AN5 |
| Broche 2 | RPB4 — PPS-reconfigurable I/O pin / AN6 |
| Broche 3 | RPB5 — PPS-reconfigurable I/O pin / AN7 |
| Broche 4 | VDD — Positive supply (2.3V-3.6V) |
| Broche 5 | VSS — Ground reference |
| Broche 6 | RPB7 — PPS-reconfigurable I/O pin |
| Broche 7 | RPC0 — PPS-reconfigurable I/O pin |
| Broche 8 | RPC1 — PPS-reconfigurable I/O pin |
| Broche 9 | RPC2 — PPS-reconfigurable I/O pin |
| Broche 10 | RPC3 — PPS-reconfigurable I/O pin |
| Broche 11 | RPC4 — PPS-reconfigurable I/O pin |
| Broche 12 | RPC5 — PPS-reconfigurable I/O pin |
| Broche 13 | RPC6 — PPS-reconfigurable I/O pin |
| Broche 14 | RPC7 — PPS-reconfigurable I/O pin |
| Broche 15 | RPC8 — PPS-reconfigurable I/O pin |
| Broche 16 | RPC9 — PPS-reconfigurable I/O pin |
| Broche 17 | VDD — Positive supply (2.3V-3.6V) |
| Broche 18 | VSS — Ground reference |
| Broche 19 | RD0 — PPS-reconfigurable I/O pin |
| Broche 20 | RD1 — PPS-reconfigurable I/O pin |
| Broche 21 | RD2 — PPS-reconfigurable I/O pin |
| Broche 22 | RD3 — PPS-reconfigurable I/O pin |
| Broche 23 | RD4 — PPS-reconfigurable I/O pin |
| Broche 24 | RD5 — PPS-reconfigurable I/O pin |
| Broche 25 | RD6 — PPS-reconfigurable I/O pin |
| Broche 26 | RD7 — PPS-reconfigurable I/O pin |
| Broche 27 | RD8 — PPS-reconfigurable I/O pin |
| Broche 28 | RD9 — PPS-reconfigurable I/O pin |
| Broche 29 | RD10 — PPS-reconfigurable I/O pin |
| Broche 30 | RD11 — PPS-reconfigurable I/O pin |
| Broche 31 | RD12 — PPS-reconfigurable I/O pin |
| Broche 32 | RD13 — PPS-reconfigurable I/O pin |
| Broche 33 | RD14 — PPS-reconfigurable I/O pin |
| Broche 34 | RD15 — PPS-reconfigurable I/O pin |
| Broche 35 | VSS — Ground reference |
| Broche 36 | VDD — Positive supply (2.3V-3.6V) |
| Broche 37 | RA0 — PPS-reconfigurable I/O pin |
| Broche 38 | RA1 — PPS-reconfigurable I/O pin |
| Broche 39 | RA2 — PPS-reconfigurable I/O pin |
| Broche 40 | RA3 — PPS-reconfigurable I/O pin |
| Broche 41 | RA4 — PPS-reconfigurable I/O pin |
| Broche 42 | RA5 — PPS-reconfigurable I/O pin |
| Broche 43 | RA6 — PPS-reconfigurable I/O pin |
| Broche 44 | RA7 — PPS-reconfigurable I/O pin |
| Broche 45 | RA8 — PPS-reconfigurable I/O pin |
| Broche 46 | RA9 — PPS-reconfigurable I/O pin |
| Broche 47 | RA10 — PPS-reconfigurable I/O pin |
| Broche 48 | RA11 — PPS-reconfigurable I/O pin |
| Broche 49 | RA12 — PPS-reconfigurable I/O pin |
| Broche 50 | RA13 — PPS-reconfigurable I/O pin |
| Broche 51 | RA14 — PPS-reconfigurable I/O pin |
| Broche 52 | RA15 — PPS-reconfigurable I/O pin |
| Broche 53 | VSS — Ground reference |
| Broche 54 | VDD — Positive supply (2.3V-3.6V) |
| Broche 55 | RB0 — PPS-reconfigurable I/O pin / AN0 |
| Broche 56 | RB1 — PPS-reconfigurable I/O pin / AN1 |
| Broche 57 | RB2 — PPS-reconfigurable I/O pin / AN2 |
| Broche 58 | RB3 — PPS-reconfigurable I/O pin / AN3 |
| Broche 59 | RB4 — PPS-reconfigurable I/O pin / AN4 |
| Broche 60 | RB5 — PPS-reconfigurable I/O pin / AN8 |
| Broche 61 | RB6 — PPS-reconfigurable I/O pin / AN9 |
| Broche 62 | RB7 — PPS-reconfigurable I/O pin / AN10 |
| Broche 63 | RB8 — PPS-reconfigurable I/O pin / AN11 |
| Broche 64 | RB9 — PPS-reconfigurable I/O pin / AN12 |
Applications typiques
PIC32MX270F512HT-50I/PT convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC32MX270F512HT-50I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
