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PIC32MX270F256D-50I/PT

MCHPPIC32MX270F256D-50I/PT

Microchip Technology
MIPS32® M4K™ PIC® 32MX Microcontroller IC 32-Bit 50MHz 256KB (256K x 8) FLASH 44-TQFP (10x10)
Active140 in stock

Overview

The PIC32MX270F256D-50I/PT is a high-performance 32-bit microcontroller featuring a MIPS32 M4K core operating at up to 50MHz. It integrates 256KB of Flash and 64KB of RAM, providing a robust platform for mid-range embedded applications requiring Full-Speed USB 2.0 OTG support and hardware-based DSP instructions.

Why Choose This Part

This MCU offers 5V-tolerant I/O pins, simplifying integration with legacy industrial components and mixed-voltage systems. The combination of a 4-channel DMA controller and hardware CRC engine reduces CPU overhead for data-intensive communication tasks.

Applications

USB Peripheral Design
Utilizing the integrated USB Full-Speed OTG controller for PC peripherals, custom HID devices, and mass storage interfaces.
Digital Audio Processing
Leveraging DSP instructions and SPI/I2S interfaces for basic digital audio filtering and processing tasks.
Industrial Human Machine Interface
Driving small graphic or character LCDs while managing user input via 33 GPIO pins and capacitive touch sensing capabilities.
Bridge Controllers
Acting as a gateway between USB and various serial protocols like UART, I2C, and SPI for industrial data logging.

Key Specifications

Speed 50MHz
RAM Size 64K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
Mounting Type Surface Mount
Number of I/O 33
Core Processor MIPS32 M4K
Package / Case 44-TQFP
Data Converters A/D 13x10b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.3V ~ 3.6V

Getting Started

Engineers can develop for this part using the Microchip MPLAB X IDE and the XC32 compiler. Hardware debugging and programming are typically performed via the PICkit 4 or MPLAB ICD 4 using the dedicated JTAG/ICSP interface.

PIC32MX270 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Speed I/O Pins Package ADC/DAC Stock
PIC32MX270F256D-50I/PT (this part) 50M 33 TQFP-44 A/D 13x10b 140
PIC32MX270F256B-50I/SP 50M 19 DIP-28 A/D 9x10b 275
PIC32MX270F256B-I/SP 40M 19 DIP-28 A/D 9x10b 172
Also available as: PIC32MX270F256B-50I/SO

Also Consider

STM32F103RCT6 STMicroelectronics - An alternative 32-bit ARM Cortex-M3 architecture with similar pin count and USB peripheral support.
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