Microchip 8 Bit PIC18 Microcontroller, 64 MHz, 64kB FLASH, 64-Pin TQFP PIC18F66K40-I/PT

Microchip PIC18F66K40-I/PT is a low-power 8-bit flash microcontroller designed for a broad range of industrial and embedded applications. With a 64 MHz maximum clock frequency and 64kB of FLASH memory, it enables high performance and efficient code storage. The 64-pin TQFP surface mount package allows for compact PCB layouts.

This microcontroller incorporates a RISC instruction set architecture with 83 instructions and supports 31 stack levels, optimizing processing speed and depth of subroutine calls. It features 3.56kB RAM and 59 programmable I/O pins to provide flexibility in interfacing with external devices.

For peripheral communications, the device offers dual I²C/SPI buses and five EUSART channels with LIN support, enabling complex networking and data transfer scenarios. The internal 64 MHz oscillator reduces the need for external clock components.

The PIC18F66K40 supports advanced analog features including 47 x 10-bit ADC channels, one 5-bit DAC, and three analog comparators, suitable for sensor signal processing and control systems. It also contains a hardware capacitive voltage divider for mTouch buttons and sliders.

Operating voltage ranges from 2.3 V to 5.5 V, with a maximum power dissipation of 800mW, making it energy efficient for battery-powered applications. The device withstands operating temperatures from -40°C to 85°C, making it suitable for industrial environments with variable conditions. The unit complies with RoHS standards, affirming its adherence to environmental directives.

The package dimensions measure approximately 10mm x 10mm with a height of 1.05mm, supporting tight space constraints in modern electronic designs. Included are two timers, providing precise timing control for automation and measurement tasks.

Features a low-power 8-bit flash microcontroller core with 83 instructions and 31 stack levels. Includes 3.56kB RAM and 59 programmable I/O pins for versatile application control. Supports 2 x I²C/SPI interfaces and 5 x EUSART with LIN support for rich peripheral communication.

Operates within 2.3 V to 5.5 V supply voltage and dissipates up to 800mW power. Built with a 64 MHz internal oscillator and equipped with multiple ADCs, DACs, and comparators for analog processing. Designed for a wide temperature range from -40°C to 85°C for industrial usage.

Compliant with RoHS standards and packaged in a surface-mount TQFP form factor.

Ideal for use in industrial control, automotive sensor interfacing, consumer electronics, and embedded systems development. This microcontroller supports in-circuit serial programming and debugging, easing application development cycles and firmware upgrades.

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