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PIC18F66K40T-I/MR

MCHPPIC18F66K40T-I/MR

Microchip Technology
PIC PIC® XLP™ 18K Microcontroller IC 8-Bit 64MHz 64KB (32K x 16) FLASH 64-VQFN (9x9)
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Overview

The PIC18F66K40T-I/MR is a high-performance 8-bit microcontroller featuring 64KB of Flash memory and integrated XLP technology for ultra-low power consumption. Operating at up to 64MHz, this device combines a large I/O count of 60 pins with versatile Core Independent Peripherals (CIPs) to handle complex tasks with minimal CPU intervention.

Why Choose This Part

This MCU provides a significant 64KB of Flash and 3562 bytes of RAM in a compact 64-VQFN package, making it ideal for space-constrained designs needing high pin density. The inclusion of Peripheral Pin Select (PPS) allows for flexible I/O mapping, simplifying PCB routing and reducing board layers.

Applications

Industrial Sensor Nodes
Utilizing the 10-bit ADC with Computation (ADC2) and Zero-Cross Detect for precise analog data acquisition and power control.
Battery-Powered Handhelds
Leveraging eXtreme Low-Power (XLP) modes and low sleep current to extend operating life in portable devices.
Capacitive Touch Interfaces
Integrated Hardware Capacitive Voltage Divider (CVD) support enables robust touch buttons and sliders with minimal software overhead.
Communication Bridges
Multiple UART, SPI, and I2C interfaces allow the device to act as a hub between various industrial bus protocols and LINbus systems.

Key Specifications

Speed 64MHz
RAM Size 3.5K x 8
Core Size 8-Bit
EEPROM Size 1K x 8
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, LINbus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 60
Core Processor PIC
Package / Case 64-VFQFN Exposed Pad
Data Converters A/D 45x10b; D/A 1x5b
Oscillator Type Internal
Program Memory Size 64KB (32K x 16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 64-VQFN (9x9)
Voltage - Supply (Vcc/Vdd) 2.3V ~ 5.5V

Getting Started

Development is primarily supported through the MPLAB X IDE and the XC8 C Compiler. For rapid hardware prototyping, engineers should use the MPLAB Code Configurator (MCC) to initialize peripherals and the PIC18F66K40 Curiosity Nano or similar 64-pin development boards with an MPLAB ICD 4 or PICkit 4 programmer.

PIC18F66 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range Stock
PIC18F66K40T-I/MR (this part) VFQFN-64 -40degC ~ 85degC (.. —
PIC18F66K40T-I/PT TQFP-64 -40degC ~ 85degC (.. 5,385
PIC18F66K40-E/PT TQFP-64 -40degC ~ 125degC .. 320

Also Consider

ATmega2560-16AUR MCHPMicrochip Technology - A well-known 8-bit alternative with higher Flash capacity and extensive community libraries, though with higher power consumption.

Categories

Memory & Storage Microcontrollers > PIC Microcontrollers > Microchip Wearables & Medical > Ultra-Low Power MCUs