PIC18LC452T-I/L

Microcontrollers Overview

The PIC18LC452T-I/L is an 8-bit microcontroller from the PIC18(L)Fxx2 series, manufactured by Microchip Technology. It features a PIC18 core with 32 kB of Flash program memory and 1.5 kB of SRAM data memory. The device operates at a maximum clock frequency of 40 MHz and supports a supply voltage range of 2 V to 5.5 V. It includes a 10-bit ADC with 8 channels, 34 I/O lines, and interfaces such as USART, SPI, and I2C. Packaged in a 44-pin LCC, it functions within a temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrated nanoWatt technology for low-power operation across various modes
• Enhanced Flash program memory with self-write and self-erase capabilities
• Built-in 10-bit Analog-to-Digital Converter with multiple input channels
• Comprehensive communication peripherals including EUSART, MSSP, and PSP

Microcontrollers Applications

• Battery-powered consumer electronics requiring low voltage operation
• Industrial control systems utilizing serial communication protocols
• Smart metering applications leveraging analog sensing capabilities
• Embedded motor control systems using timer and PWM functions

Microcontrollers Procurement Notes

Verify component authenticity through authorized Microchip distributors or direct manufacturer channels. Confirm package integrity and pin alignment against datasheet specifications prior to integration. Ensure compliance with RoHS directives and check for end-of-life status updates. Validate operating voltage ranges match target circuit requirements to prevent functional failure during deployment.

Microcontrollers Selection Notes

Select this model when 32 kB of non-volatile storage and 1.5 kB of RAM suffice for application logic. Consider the 40 MHz processing speed adequate for standard control loops. Verify that the 44-pin LCC package fits the PCB layout constraints. Ensure the 2 V to 5.5 V supply range aligns with the system power architecture and environmental temperature expectations.

Microcontrollers Part Context

This component belongs to the PIC18(L)Fxx2 family of enhanced 8-bit microcontrollers. It shares architectural similarities with the PIC18LF4520 and PIC18F452 variants but offers specific pinout and memory configurations tailored for cost-sensitive embedded designs. The family emphasizes reliability and low power consumption for general-purpose microcontroller applications.

Microcontrollers Replacement Considerations

Direct substitutes include PIC18LF4520 and PIC18F452 variants within the same series. Verify pin compatibility and memory size equivalence before substitution. Check for differences in voltage ranges and interface availability to ensure functional parity in the existing design.