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PIC18F66K40-I/PT

MCHPPIC18F66K40-I/PT

Microchip Technology
PIC PIC® XLP™ 18K Microcontroller IC 8-Bit 64MHz 64KB (32K x 16) FLASH 64-TQFP (10x10)
Active4,493 in stock
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Overview

The PIC18F66K40-I/PT is a high-performance 8-bit microcontroller featuring 64KB of Flash memory and a rich set of Core Independent Peripherals (CIPs). It utilizes Microchip eXtreme Low-Power (XLP) technology to minimize current consumption during battery-operated or energy-constrained applications.

Why Choose This Part

This MCU offers 60 I/O pins in a 64-TQFP package, providing extensive connectivity options like I2C, SPI, and UART. The inclusion of Core Independent Peripherals allows for complex hardware tasks to be handled without constant CPU intervention, improving overall system efficiency and response time.

Applications

Industrial Sensor Nodes
Utilizes the 10-bit ADC with Computation (ADCC) for local signal processing to reduce CPU overhead.
Battery-Powered Handhelds
Leverages XLP technology and Sleep modes to extend operational life in portable devices.
Capacitive Touch Interfaces
Employs integrated Capacitive Voltage Divider (CVD) hardware for reliable touch and proximity sensing.
Lighting Control
Uses the Complementary Waveform Generator (CWG) and PWMs to drive power FETs for LED dimming or ballast control.

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-TQFP
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-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.3V ~ 5.5V

Getting Started

Developers can begin evaluation using the MPLAB X IDE and the XC8 C Compiler. Hardware debugging is typically performed via the MPLAB PICkit 4 or MPLAB ICD 4 in-circuit debuggers connected to the device's ICSP pins. For rapid prototyping, check for Curiosity HPC or dedicated PIC18 Explorer development boards that support the 64-pin TQFP footprint.

PIC18F66 Family

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

Part Number RAM I/O Pins Package ADC/DAC Connectivity Peripherals Stock
PIC18F66K40-I/PT (this part) 3.5K 60 TQFP-64 A/D 45x10b; D/A 1x5b I2C, LINbus, SPI, .. Brown-out Detect/R.. 4,493
PIC18F66K80-I/MR 3.6K 54 VFQFN-64 A/D 11x12b ECANbus, I2C, LINb.. Brown-out Detect/R.. 1,162
PIC18F66K40-I/MR 3.5K 60 VFQFN-64 A/D 45x10b; D/A 1x5b I2C, LINbus, SPI, .. Brown-out Detect/R.. 371
PIC18F66K40T-I/PT 3.5K 60 TQFP-64 A/D 45x10b; D/A 1x5b I2C, LINbus, SPI, .. Brown-out Detect/R.. 5,385
PIC18F66K22-I/MR 4K 53 VFQFN-64 A/D 16x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. 277
PIC18F66K22-I/PT 4K 53 TQFP-64 A/D 16x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. 1,257
PIC18F66K40-E/PT 3.5K 60 TQFP-64 A/D 45x10b; D/A 1x5b I2C, LINbus, SPI, .. Brown-out Detect/R.. 320
PIC18F66K40T-I/MR 3.5K 60 VFQFN-64 A/D 45x10b; D/A 1x5b I2C, LINbus, SPI, .. Brown-out Detect/R.. —

Also Consider

PIC18F67K40-I/PT MCHPMicrochip Technology - Offers double the Flash memory at 128KB for larger codebases while maintaining pin compatibility.
ATmega2560 MCHPMicrochip Technology - Alternative 8-bit architecture with significantly more Flash and RAM for complex logic, though with different peripheral sets.