PIC18F24K40-I/SP

Microcontrollers Overview

The PIC18F24K40-I/SP is an 8-bit microcontroller from the PIC18(L)F24/25K40 family, utilizing eXtreme Low-Power (XLP) technology. It features a 64 MHz operating speed and includes 16 KB of Flash program memory, 1 KB of data SRAM, and 256 bytes of data EEPROM. The device operates within a voltage range of 2.3V to 5.5V and supports industrial temperatures from -40°C to 85°C. It provides 25 I/O pins and integrates advanced peripherals including a 10-bit ADC with computation, a 5-bit DAC, two comparators, and core-independent modules such as CWG, CRC, and ZCD.

Microcontrollers Feature Summary

• Integrates Analog-to-Digital Converter with Computation (ADC2) for automated signal processing tasks like averaging and threshold comparison.
• Includes Core Independent Peripherals such as Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), and Cyclic Redundancy Check (CRC) to reduce CPU load.
• Supports low-power operation through multiple modes including Sleep, Idle, Doze, and Peripheral Module Disable (PMD).
• Features Programmable Peripheral Pin Select (PPS) allowing flexible mapping of digital I/O functions.

Microcontrollers Applications

• General purpose embedded control systems requiring low power consumption.
• Touch sensing applications utilizing automated capacitive voltage divider techniques.
• Industrial monitoring using hardware-based fail-safe operations via CRC memory scanning.
• AC mains interfacing utilizing Zero-Cross Detect (ZCD) functionality.

Microcontrollers Procurement Notes

Verify that the specific ordering suffix corresponds to the SPDIP package type and Industrial temperature grade (-40°C to 85°C). Confirm the 'I' designation aligns with the required operational voltage range of 2.3V to 5.5V. Ensure compatibility with existing PCB footprints for 28-pin dual in-line packages before finalizing procurement orders.

Microcontrollers Selection Notes

Select this component when design requirements include high-performance 8-bit processing combined with extensive analog capabilities. The inclusion of the ADC2 module makes it suitable for applications needing on-chip signal conditioning without external DSP support. Consider the XLP technology if battery life or energy efficiency is a primary constraint compared to standard PIC18 families.

Microcontrollers Part Context

This device belongs to the PIC18(L)F24/25K40 series, which shares architectural similarities but varies in memory size and pin count. Unlike the PIC18LF24K40 variant, this version supports higher supply voltages up to 5.5V. It differs from the PIC18F25K40 by offering reduced program memory capacity while maintaining identical peripheral sets and package options.

Microcontrollers Replacement Considerations

PIC18F25K40-I/SP offers increased Flash memory capacity with identical pinout and peripheral configurations.

Microcontrollers FAQ

Does the PIC18F24K40-I/SP support automatic touch sensing?

Yes, the integrated ADC with Computation (ADC2) automates Capacitive Voltage Divider (CVD) techniques for advanced touch sensing applications.

What is the maximum operating frequency of this microcontroller?

The device supports a clock input of up to 64 MHz over the full VDD range.