PIC32MX450F256LT-I/PT

Microcontrollers Overview

The PIC32MX450F256LT-I/PT is a 32-bit microcontroller featuring the MIPS32 M4K core, operating at clock frequencies up to 100 MHz. It integrates 256 kB of Flash program memory and 64 kB of SRAM data memory within a 64-pin TQFP package. The device supports an operating voltage range of 2.3 V to 3.6 V and functions across temperatures from -40°C to +85°C. Peripheral capabilities include a 10-bit ADC with 28 channels, two analog comparators, USB 2.0 OTG, four DMA channels, and multiple communication interfaces.

Microcontrollers Feature Summary

• Integrates a high-performance MIPS32 M4K core with MIPS16e mode for optimized code density.
• Includes advanced human-machine interface features such as CTMU for capacitive touch sensing and external graphics support.
• Provides flexible peripheral pin select (PPS) allowing remapping of I/O functions for design flexibility.
• Features integrated power management modes including Sleep and Idle to minimize dynamic current consumption.

Microcontrollers Applications

• Industrial control systems requiring robust analog processing and timer modules
• Human-machine interface (HMI) applications utilizing graphical displays and touch inputs
• USB-enabled devices leveraging the full-speed On-The-Go controller
• Audio equipment utilizing I2S and fractional clock generation capabilities

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 64-pin TQFP configuration. Confirm that the selected component meets all required electrical specifications for the target application environment before finalizing procurement.

Microcontrollers Selection Notes

Select this model when 256 kB of program memory and 64 kB of RAM are required alongside a 100 MHz execution speed. Consider this part for designs needing extensive analog input channels and dedicated hardware DMA. Evaluate the 64-pin TQFP package constraints against available board space and thermal requirements.

Microcontrollers Part Context

This component belongs to the PIC32MX4xx family of 32-bit microcontrollers designed for applications demanding audio, graphics, and touch capabilities. It shares architectural similarities with other members like the PIC32MX470 but offers distinct memory configurations. The device is engineered for cost-sensitive embedded systems requiring high performance and rich peripheral sets.

Microcontrollers Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same series. Verify memory size and peripheral availability when substituting with related models such as the PIC32MX470F512L.

Microcontrollers FAQ

Does the PIC32MX450F256LT-I/PT support capacitive touch sensing?

Yes, it includes a Charge Time Measurement Unit (CTMU) specifically designed to support mTouch capacitive touch sensing applications.

What is the maximum operating frequency for this device?

The device supports clock frequencies up to 100 MHz within the industrial temperature range of -40°C to +85°C.