PIC24FJ128GA108-I/PT

Microcontrollers Overview

The PIC24FJ128GA108-I/PT is a 16-bit microcontroller from the PIC24FJ256GA110 family, operating at up to 32 MHz with 16 MIPS performance. It features 128 KB of Flash program memory and 16 KB of SRAM in an 80-pin TQFP package. The device includes a 10-bit ADC with up to 16 channels, three analog comparators, and a CTMU interface. Key peripherals include four UARTs, three SPI modules, three I2C modules, five 16-bit timers, and a Parallel Master Port. It supports Peripheral Pin Select (PPS) for flexible I/O mapping and operates within a 2.0V to 3.6V voltage range.

Microcontrollers Feature Summary

• Supports Peripheral Pin Select (PPS) allowing independent runtime mapping of digital peripheral inputs and outputs to available I/O pins.
• Includes a Charge Time Measurement Unit (CTMU) for precision time measurement, pulse generation, and capacitive sensing applications.
• Features a Real-Time Clock/Calendar (RTCC) module providing hardware clock, calendar, and alarm functions to conserve core resources.
• Offers multiple power-saving modes including Sleep, Idle, and Doze, with fast wake-up capabilities and on-the-fly clock switching.

Microcontrollers Applications

• General-purpose embedded control systems requiring high-performance 16-bit processing
• Industrial communication interfaces utilizing UART, SPI, and I2C protocols
• Applications requiring precise timing or capacitive touch sensing via CTMU
• Data logging and monitoring systems leveraging the integrated RTCC module

Microcontrollers Procurement Notes

Verify the specific ordering suffix '-I/PT' corresponds to the Industrial temperature range (-40°C to +85°C) and the 80-pin TQFP package configuration. Confirm that the 'I' designation aligns with the required commercial or industrial specifications for your application environment. Ensure compatibility with existing PCB footprints for the TQFP-80 form factor before finalizing procurement.

Microcontrollers Selection Notes

Select this component when migrating from 8-bit platforms to 16-bit architectures without requiring DSP-level complexity. It is suitable for designs needing flexible peripheral pin mapping via PPS and robust analog features like CTMU. Consider this part if the application demands multiple serial communication interfaces and real-time clock functionality within a compact 80-pin footprint.

Microcontrollers Part Context

This device belongs to the PIC24FJ256GA110 family, which shares a consistent instruction set and peripheral feature set across varying memory sizes and pin counts. The family facilitates easy migration between devices with different Flash capacities (64KB to 256KB) and package options (64, 80, and 100 pins). All members utilize the same modified Harvard architecture and support In-Circuit Serial Programming (ICSP) and JTAG boundary scan.

Microcontrollers Replacement Considerations

PIC24FJ64GA108-I/PT

Microcontrollers FAQ

What is the maximum operating frequency of the PIC24FJ128GA108?

The device supports operation up to 32 MHz, achieving 16 MIPS performance using the internal PLL multiplier.

Does this microcontroller support configurable pin mapping?

Yes, it features Peripheral Pin Select (PPS), which allows independent mapping of most digital peripheral inputs and outputs to various I/O pins.

What analog features are included besides the ADC?

In addition to the 10-bit ADC, the device includes three analog comparators and a Charge Time Measurement Unit (CTMU).