Интегральные схемы

PIC18F65J94T-I/PT

PIC18F65J94T-I/PT - 32KB Flash 8-Bit XLP USB MCU | Microchip

The Microchip Technology PIC18F65J94T-I/PT is a 64-pin TQFP 8-bit PIC microcontroller from the PIC18 XLP 18J family that integrates full-speed USB 2.0, segmented LCD driver (up to 256 segments), and nanoWatt XLP ultra-low-power technology on a single die. Operating up to 64 MHz (16 MIPS), it provides 32 KB of flash program memory (16K x 16), 4 KB of RAM, and runs on a 2.0V to 3.6V supply, making it a compact system-on-chip for low-power, display- and connectivity-driven embedded products. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripherals into a single package. PIC18F microcontrollers are part of the PIC (Peripheral Interface Controller) family using an enhanced Harvard RISC architecture with 16-bit instruction words. The 'J' series devices (PIC18F J-series) use flash program memory and span from 28 to 100 pins, allowing the same codebase to scale across package sizes without redesigning the application logic. Key features include nanoWatt XLP technology that reduces active current below typical PIC18 levels, integrated LCD driver capable of driving up to 256 segments (useful for glass LCD panels with text/icons), full-speed USB 2.0 device/host/OTG capability, multiple serial peripherals (UART, SPI, I2C), 12-bit A/D converter, comparators, and CTMU for capacitive touch sensing. The 64-pin TQFP (10x10 mm) package provides ample I/O while remaining manageable for hand-rework prototypes. Technically, the PIC18F65J94T-I/PT uses a 2.0V-3.6V single supply, supports industrial temperature range -40C to +85C, and exposes 51+ digital I/O pins. The on-chip voltage regulator powers the core from VDD; designers must add 100 nF + 10 uF bulk capacitance close to the VDD/VSS pins. The USB module requires the standard 48 MHz clock from the internal PLL multiplied off the system oscillator. Typical applications include USB-connected industrial sensors, battery-powered portable instruments with LCD readouts, e-metering and metering terminals, medical point-of-care devices, and consumer appliances that combine segmented LCD UI with USB charging or data transfer. The combination of USB and LCD in a single MCU saves the cost of a second controller. When designing with this part, ensure the USB D+/D- lines are routed as a 90-ohm differential pair with proper impedance matching, and that the VUSB pin sees a stable 3.3V during enumeration. In-circuit serial programming (ICSP) requires dedicated RB6/RB7 pins - leave them accessible in the layout. This page synthesizes distributor pricing, datasheet links, drop-in package-compatible alternatives from the same PIC18F65J94 family, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F65K22-E/MR

PIC18F65K22-E/MR - 64KB Flash, 64MHz 8-bit MCU, 64-VQFN | Microchip

The Microchip Technology PIC18F65K22-E/MR is an 8-bit PIC microcontroller featuring nanoWatt XLP ultra-low-power technology, 64KB of Flash program memory, and a 64-pin VQFN (9x9 mm) package rated for the -40C to +125C extended temperature range. It operates from 1.8V to 5.5V supply and integrates a 12-bit A/D converter, USB 2.0 full-speed transceiver, multiple communication peripherals, and the Charge Time Measurement Unit (CTMU) for capacitive touch and precision time measurement. The device is well suited for power-constrained and battery-powered applications, combining high-performance 16-bit-wide instruction execution with a deep sleep current in the nanoampere range typical of the XLP family. Key features include a 64 MHz internal oscillator (16 MIPS instruction throughput), up to 54 digital I/O pins, three 12-bit A/D converters with up to 16 input channels, two comparators, four 16-bit timers, two CCP modules, three EUSART and two SPI/I2C peripherals, plus a CTMU peripheral. The integrated USB 2.0 full-speed transceiver supports USB device/host/OTG operation without an external PHY, simplifying BOM cost. The on-chip 12-bit ADC delivers conversion rates up to 100 ksps, suitable for sensor signal acquisition and closed-loop control. The PIC18F65K22 uses an enhanced Harvard RISC core with hardware multiply and a C-optimized instruction set, making it suitable for both assembly and C development under MPLAB X IDE and XC8/MCC code generation. Peripherals connect via a peripheral pin select (PPS) multiplexer that allows flexible pin assignment, easing PCB layout under tight package constraints. The device also includes an LCD driver capable of driving up to 288 segments, making it a fit for user-interface appliances and instrumentation. Typical applications include battery-powered IoT sensor nodes with capacitive touch user input, USB peripherals such as HID or CDC class devices, industrial control panels combining analog sensing with segment-LCD readouts, and portable medical instrumentation where low quiescent current directly extends battery life. The wide operating voltage range allows direct connection to 2xAA or Li-Ion battery stacks. When designing with this part, pay attention to the VQFN exposed pad layout - the thermal pad must be soldered to a sufficiently large copper pour to meet thermal and electrical ground connectivity requirements. Decoupling should follow the datasheet recommended pattern with at least one 0.1uF and one 1uF/10uF bulk capacitor placed close to the VDD pins, and the USB bus must use the datasheet-specified 90-ohm differential pair routing. The device is provided in tape-and-reel packaging suitable for SMT assembly lines. This page synthesizes distributor pricing, pin-compatible alternatives within the PIC18 K-series family, and practical design notes beyond what the manufacturer datasheet alone provides - including comparison against the -I temperature grade sibling and a checklist of common pitfalls when migrating between MR and PT 64/80-pin packages.

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PIC18F65K22-E/PT

PIC18F65K22-E/PT - 64MHz 8-Bit MCU 32KB Flash 64-TQFP | Microchip

The Microchip Technology PIC18F65K22-E/PT is an 8-bit PIC18 enhanced Flash microcontroller with 32KB of program memory, 2KB of RAM, and a 12-bit A/D converter, housed in a 64-pin TQFP (10x10 mm) package. It operates from a 4.2V to 5.5V supply, runs at up to 64 MHz internal clock (16 MIPS instruction throughput), and provides 53 digital I/O pins across ports A through G. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripherals such as timers, A/D converters, and communication interfaces onto a single silicon die. Within Microchip's PIC family, the PIC18F sub-family is an 8-bit enhanced Harvard architecture optimized for high code density and C-compiler efficiency. The "K22" suffix denotes the nanoWatt XLP variant targeting low-power and battery-powered designs, while the "65" prefix indicates the 64-pin/80-pin large-pin-count family. Key differentiating features include nanoWatt XLP extreme low-power technology with sub-microA sleep currents, an integrated Charge Time Measurement Unit (CTMU) that simplifies capacitive touch sensing, a 12-bit A/D converter with up to 16 input channels, multiple Enhanced USART, MSSP (SPI/I2C), and ECAN peripherals, and a wide operating temperature range from -40C to +125C for the "-E" extended temperature grade. The device also supports ICD (In-Circuit Debugger) via two interface pins. Typical applications span industrial control panels, capacitive touch human-machine interfaces (HMIs), automotive body and chassis subsystems, low-power remote sensor nodes, and battery-powered metering. The integrated ECAN peripheral and large I/O count make it particularly attractive for CAN-based distributed control systems. Selection between the "-E" (extended -40C to +125C) and "-I" (industrial -40C to +85C) temperature grades depends on the deployment environment; pin and feature sets are otherwise identical between grades. When designing with the PIC18F65K22-E/PT, observe the 4.2V minimum VDD requirement and place a 100 nF decoupling capacitor adjacent to each power pin. Use the CTMU for robust capacitive touch designs, and configure the internal 16 MHz HFINTOSC to reduce external BOM cost in space-constrained layouts. This page synthesizes distributor pricing, drop-in TQFP-64 alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an integrated resource for component evaluation and procurement.

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PIC18F65K22-I/MRRSL

PIC18F65K22-I/MRRSL - 8-bit MCU 32KB Flash QFN-64 | Microchip

The Microchip PIC18F65K22-I/MRRSL is an 8-bit PIC microcontroller with 32KB Flash, 2KB RAM, and 1KB EEPROM, housed in a 64-pin QFN (MR) package with exposed thermal pad, qualified to AEC-Q100 for automotive applications. It supports operating voltages of 2.5V, 3.3V, and 5V, runs up to 64 MHz, and integrates nanoWatt XLP technology for ultra-low-power battery applications. According to the manufacturer datasheet, the device includes a 12-bit A/D converter with up to 16 channels and a Charge Time Measurement Unit (CTMU) that simplifies capacitive-touch and general-purpose capacitance designs. The /MRRSL suffix indicates tape-and-reel packaging with the industrial (-I) temperature range of -40C to +85C. The automotive-grade marking (MRRSL) and AEC-Q100 qualification make this variant suitable for under-hood and cabin automotive modules that demand robust ESD and EMC performance. An 8-bit PIC microcontroller is a reduced instruction set computer (RISC) core with a Harvard architecture that separates program and data memory, enabling single-cycle instruction execution. Within the broader hierarchy of microcontrollers, the PIC18F family sits at the high-performance end of Microchip's 8-bit portfolio, offering enhanced peripherals, C-compiler-friendly instruction set, and rich connectivity (UART, SPI, I2C, USB) compared to baseline PIC10/12/16 devices. Microcontrollers in general belong to the larger category of embedded computing silicon and power management ICs, serving as the programmable brain in nearly every modern electronic product. Key features of the PIC18F65K22 family include up to 12 MIPS throughput at 64 MHz, an integrated mTouch capacitive-touch peripheral via CTMU, multiple communication interfaces, and nanoWatt XLP sleep modes consuming down to sub-microamp currents. The 64-pin QFN footprint provides 53 digital I/O pins with multiple peripheral multiplexing options. Internal oscillator and PLLs reduce external component count for cost-sensitive designs. The PIC18F65K22's architecture is built around a 16-bit instruction word with an 8-bit data path, a single accumulator-based ALU, and a hardware multiplier that accelerates arithmetic. The 12-bit A/D converter uses a successive-approximation register (SAR) topology with acquisition-and-conversion timing fully programmable. This combination of deterministic interrupt response, deterministic timing, and rich analog integration makes it ideal for both control loops and human-interface subsystems. Typical applications include automotive body and HVAC controls, industrial sensor interfaces, capacitive touch HMIs, low-power battery-driven telemetry, and USB peripherals. The wide 1.8V-5.5V operating range (subject to full-speed derating) and robust peripheral set simplify integration into mixed-voltage systems. Choose this device when AEC-Q100 qualification, 32KB-class Flash, and a moderate pin count converge on a single cost-effective MCU. When designing, verify ADC acquisition time against source impedance and budget adequate decoupling (100 nF + bulk) near the supply pins.

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PIC18F65K22-I/PT

PIC18F65K22-I/PT - 8-bit 64MHz PIC MCU, 32KB Flash, TQFP-64

The Microchip Technology PIC18F65K22-I/PT is an 8-bit RISC PIC18 microcontroller running at up to 64 MHz (instruction cycle up to 16 MIPS), integrating 32 KB of enhanced Flash program memory, 2 KB of SRAM and 1 KB of EEPROM in a 64-pin TQFP (10x10 mm) package. The device is qualified for the industrial temperature range of -40C to +85C (the "I" suffix) and operates from 1.8 V to 5.5 V across the family, with 4.2 V to 5.5 V typical for this part. It delivers up to 53 general-purpose digital I/O pins plus dedicated analog and peripheral pins. What is a PIC18F microcontroller? The PIC18F family is Microchip's high-performance 8-bit PIC architecture, sitting between the baseline PIC10/12/16 and the 16-bit PIC24/dsPIC families. It uses a 16-bit modified Harvard instruction set with an 8-bit data path, 31-level hardware stack, and a hardware multiplier - more capable than PIC16 but less expensive and easier to migrate to than PIC24. The "K" suffix denotes the nanoWatt XLP low-power family with the integrated Charge Time Measurement Unit (CTMU) for capacitive touch and other precision timing functions. Key features include 12-bit A/D conversion up to 16 channels, dual I2C, dual SPI, dual enhanced USART, a Parallel Slave Port (PSP), two analog comparators, ten 8/16-bit timers, the CTMU peripheral, and nanoWatt XLP deep-sleep modes that draw only tens of nanoamps. The CTMU simplifies capacitive touch user interfaces and enables ultrasonic flow and time-of-flight measurement. On-chip 8 MHz internal oscillator can be multiplied via PLL to reach 64 MHz, removing the need for an external crystal in cost-sensitive designs. Typical applications include low-power battery-powered embedded controllers, capacitive-touch human-machine interfaces (keypads, sliders, proximity sensors), industrial control and sensor conditioning, USB/serial converter dongles, motor control signal conditioning, automotive body electronics (PIC18F65K22 is the industrial sibling of the -E extended part), and general-purpose replacement of legacy PIC18F6520/PIC18F6622 designs. The large 53-I/O count in a 64-pin package supports multi-channel sensor aggregation and LCD segment driving via the integrated LCD controller available in the family. When designing with the PIC18F65K22, leave MCLR pulled high through a 10 kohm resistor unless an external reset source is needed. Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair and add a bulk 10 uF tantalum or ceramic cap on the 5 V rail. For capacitive-touch sensing using the CTMU, follow Microchip application note AN1250 and the mTouch reference firmware; add a 1 nF to 10 nF series resistor to the analog input to dampen ESD transients. This page synthesizes distributor pricing, drop-in alternatives within the PIC18F6xK22 family, and practical design notes not collected in the manufacturer datasheet. All specifications are extracted from the manufacturer datasheet and live distributor listings as of the last-verified date.

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PIC18F65K22-I/PTRSL

PIC18F65K22-I/PTRSL - 64MHz 8-bit MCU 32KB Flash 64-TQFP

The Microchip Technology PIC18F65K22-I/PTRSL is an 8-bit RISC microcontroller from the PIC18 family featuring nanoWatt XLP (eXtreme Low Power) technology, 32KB of Flash program memory, 2KB of SRAM and 1KB of data EEPROM, in a 64-pin TQFP (10x10 mm) package. It operates at up to 64MHz from a 4.2V to 5.5V supply and provides 54 digital I/O pins, making it well suited for power-constrained and battery-powered applications. The part suffix -I/PTRSL denotes the industrial temperature grade (-40C to +85C), 64-pin TQFP package, and Tape & Reel packaging. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip that combines a RISC instruction set with rich peripheral integration. It belongs to the broader category of microcontrollers -> embedded processors -> semiconductor ICs. The 'K' family is known for ultra-low-power XLP technology, the integrated Charge Time Measurement Unit (CTMU) for capacitive touch, and nanoWatt sleep modes that drop current to nanoamp levels - well below typical 8-bit MCU quiescent draw. Key features include 64MHz internal oscillator, 12-bit ADC with up to 16 channels, multiple communication peripherals (UART, SPI, I2C), Capture/Compare/PWM modules, and CTMU support for capacitive touch sensing. The 32KB Flash (16K x 16 words) supports self-programming, while the 1KB EEPROM provides non-volatile data storage. XLP technology enables sleep currents under 100 nA typical, extending battery life in always-on applications. Architecturally, the PIC18F65K22 uses a 16-bit instruction word with an 8-bit data path, 31-level hardware stack, and 32 interrupt sources. The 64MHz operation delivers approximately 16 MIPS, providing ample headroom for motor control, sensor fusion, and human-interface firmware. Hardware multipliers and 14x14-bit MAC instructions accelerate DSP-style math in 8-bit environments. Typical applications include capacitive touch user interfaces, low-power sensor nodes, industrial control panels, and battery-powered instruments. The CTMU peripheral simplifies touch button, slider, and wheel implementations with no external analog front-end required. The large pin count and broad peripheral set also support graphical HMI designs. Designers should configure the oscillator, brown-out reset, and watchdog carefully for XLP operation, and follow Microchip's PIC18F6X K22 family errata for any device-specific anomalies. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC18F65K22T-I/PT

PIC18F65K22T-I/PT - 32KB Flash 8-bit MCU | Microchip | 64-TQFP

The Microchip Technology PIC18F65K22T-I/PT is an 8-bit RISC PIC18 microcontroller running up to 64MHz, featuring 32KB (16K x 16) of Flash program memory, 2KB of SRAM, and 1KB of EEPROM in a 64-pin TQFP (10x10 mm) tape-and-reel package. The 'T' suffix indicates tape-and-reel packaging and the 'I' suffix denotes the industrial -40C to +85C operating temperature range, making it suitable for automotive, industrial, and consumer embedded systems. The PIC18F65K22 integrates the nanoWatt XLP extreme-low-power technology, dual I2C/SPI, two EUSARTs, up to 10 timers, multiple PWM channels, a 12-bit ADC, comparators, and a Charge Time Measurement Unit (CTMU) for capacitive-touch sensing. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control in cost-sensitive embedded applications. Within the broader taxonomy, the PIC18F65K22 belongs to the 8-bit MCU family -> microcontroller -> embedded processor -> semiconductor. It executes a RISC instruction set, meaning most instructions complete in one clock cycle, and uses a Harvard architecture with separate program and data buses. The 'K22' device family is Microchip's enhanced mid-range nanoWatt XLP line, balancing 3V-5V operation with extreme low sleep current. Key features that distinguish this part include 64MHz operation with 16 MIPS throughput, 16-channel 12-bit ADC, 8 CCP/ECCP modules supporting PWM, dual I2C and dual SPI ports, two EUSART interfaces including LIN support, CTMU for touch sensing, and an operating voltage range of 1.8V to 5.5V (typical 2.5V/3.3V/5V). The 64-pin TQFP exposes up to 53 digital I/O pins, providing generous headroom for parallel interfaces, displays, and motor-control loops. The PIC18F65K22's high pin count and rich peripheral mix make it well suited for applications such as HVAC controllers, white-goods user interfaces, automotive body and cluster modules, capacitive touch panels, industrial sensor hubs, and small graphical LCD or TFT displays. Its nanoWatt XLP idle currents below 1uA allow battery-powered designs to maintain RTC and external interrupts for years on a single cell. Real-time determinism and an automotive-qualified temperature option also suit LIN nodes and CAN-adjacent I/O expanders.

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PIC18F65K22T-I/PTRSL

PIC18F65K22T-I/PTRSL - 8-bit 32KB Flash MCU 64MHz | Microchip

The Microchip PIC18F65K22T-I/PTRSL is a low-power 8-bit PIC18 microcontroller featuring 32KB of Flash program memory, 2KB of SRAM, and 1KB of EEPROM, operating at up to 64MHz through a 4x PLL from a 16MHz internal oscillator. Housed in a 64-pin TQFP package (10x10 mm, 1.0 mm height, MS-026), the device is supplied in tape-and-reel format as the PTRSL variant. Per the verified distributor datasheet snippet, it supports a supply voltage of 1.8V to 5.5V (extended; nominal 3.0V-3.6V or 4.2V-5.5V depending on configuration) and exposes 54 digital I/O pins. An 8-bit microcontroller is a microprocessor core with an 8-bit data bus width, optimised for low cost, deterministic interrupt response, and simple peripheral integration. Within the broader hierarchy, the PIC18F family sits above baseline PIC10/12/16 cores and below the 16-bit PIC24/dsPIC and 32-bit PIC32 families. It belongs to the class of RISC microcontrollers (single-cycle instruction execution, 200 ns at 20 MHz) and is widely used in industrial control, consumer appliances, and battery-powered embedded systems where software simplicity and toolchain maturity matter. Key differentiating features include nanoWatt XLP extreme-low-power technology with multiple sleep modes drawing under 100 nA, an integrated Charge Time Measurement Unit (CTMU) for capacitive touch and simple sensing, and configurable logic cells on select pins. The K22 series also adds a 12-bit A/D converter with computation, multiple Enhanced USART, MSSP (I2C/SPI) ports, and ECCP peripherals, delivering substantial analog and digital integration. Architecturally, the part uses a 16-bit instruction word fetched from Flash and executed in a single cycle (4 clocks), giving 8 MIPS at 32 MHz and 16 MIPS at 64 MHz. The 31-level hardware stack and 32 interrupt vectors provide predictable real-time response. Internal oscillator accuracy of ±1% (with Fail-Safe Clock Monitor) eliminates the external crystal in many designs, reducing BOM cost. Typical applications include capacitive touch user interfaces, low-power sensor nodes, white goods and appliance control panels, industrial instrumentation displays, and USB-to-UART bridges in embedded systems. Designers also choose this part for general-purpose 5V-tolerant designs that must remain compatible with legacy analog front ends. When designing with the PIC18F65K22T-I/PTRSL, note the Industrial temperature grade (-40C to +85C) and the MSL 3 moisture sensitivity of the TQFP-64 package, requiring proper dry-pack handling during assembly. The PTRSL suffix designates a tape-and-reel package, while the operating-voltage suffix (I) denotes the industrial temperature range. This page synthesizes distributor stock and pricing data, cross-references Microchip K22-family drop-in alternatives, and provides practical design notes not found in a single manufacturer datasheet.

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PIC18F65K40-E/MR

PIC18F65K40-E/MR - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F65K40-E/MR is an 8-bit PIC18 XLP microcontroller with a 64MHz CPU, 32KB Flash program memory, 2KB RAM, and 1KB EEPROM, packaged in a 64-pin 9x9mm VQFN (MR) surface-mount module. Operating across 2.3V to 5.5V with extended-temperature -40C to +125C support, it combines Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/SCAN, hardware limit timer, and zero-cross detect with XLP ultra-low-power sleep currents for battery-aware designs. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip program and data memory, and integrated peripherals intended for embedded control. Within the broader taxonomy, the PIC18F65K40 sits as: MCU -> 8-bit MCU -> PIC18 family -> XLP low-power series -> enhanced mid-range core -> Microchip semiconductor. 8-bit PIC18 devices bridge simple PIC10/12/16 parts and 16-bit dsPIC/PIC24 devices, offering richer peripherals and more code space while retaining the deterministic interrupt model and single-instruction C-compiler friendliness that PIC users expect. Key features include 64MHz internal oscillator, 32KB self-programmable Flash, 2KB SRAM, 1KB EEPROM, up to 45 I/O pins, 10-bit ADC with computation (ADC2), 5-bit DAC, 8-bit DAC, multiple UART/SPI/I2C, 16-bit PWM, and configurable logic cell (CLC). The eXtreme Low Power (XLP) technology delivers sub-uA sleep currents, while the 5V-tolerant I/O simplifies industrial sensor front ends. The PIC18F65K40 uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier, 31-level stack, and a 16-bit instruction word. This gives C-compiler code density competitive with 16-bit MCUs while keeping interrupt latency deterministic, suitable for hard-real-time loops like motor commutation or sensor sampling. Typical applications include industrial sensor conditioning, building automation controllers, low-power IoT edge nodes, USB-to-UART bridges, small appliance control, and general-purpose 5V embedded control. The extended -40C to +125C operating range and high-pin-count VQFN package suit harsh industrial and automotive under-hood environments where the Q-prefix AEC-Q100 part is not required. When designing with this device, budget sufficient PCB copper under the 9x9mm VQFN thermal pad to keep junction temperature within limits; the pad must be soldered for both thermal and electrical ground. Always configure unused pins as outputs (not inputs) to avoid current paths via internal ESD structures. This page consolidates real distributor pricing, drop-in alternatives, application notes, and design considerations not duplicated in any single manufacturer page.

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PIC18F65K40-I/MR

PIC18F65K40-I/MR - 8-Bit 64MHz 32KB Flash MCU 64-VQFN | Microchip

The Microchip Technology PIC18F65K40-I/MR is a PIC® XLP™ 18K family 8-bit microcontroller delivering 64 MIPS performance at 64 MHz CPU clock, packaged in a 64-pin VQFN (9x9 mm) surface-mount package with 32 KB of Flash program memory, 2 KB of RAM, and 256 B of EEPROM. The part is rated for the -40C to +85C industrial temperature range and operates from 2.3V to 5.5V across the family. A PIC18 XLP 8-bit microcontroller is a high-performance 8-bit MCU built on an enhanced RISC Harvard architecture with a 16-bit instruction word. PIC18 sits within Microchip's broader 8-bit PIC hierarchy (PIC10/12/14/16/16F1xxx -> PIC18/dsPIC33), itself a node in the wider Microcontroller -> Embedded IC -> Semiconductor category. The XLP (eXtreme Low Power) designation indicates sleep currents below 100 nA typical and active currents in the microamp range, while 5V support permits direct interfacing to legacy analog front-ends without level shifters. Key features of the PIC18F65K40 family include Core Independent Peripherals (CIP) such as the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/SCAN memory testing, Zero-Cross Detect (ZCD), and hardware Limit Control. Peripherals are mapped through the PPS (Peripheral Pin Select) system, which lets the designer route digital peripherals to a wide choice of I/O pins. Up to four 10-bit ADC channels with computation (ADCC) and dual comparators support analog signal conditioning, while 8-bit/16-bit timer resources and four CCP/ECCP modules handle PWM motor or power-conversion tasks. From an architecture perspective, the device pairs a high-throughput C-optimized core with nanoWatt XLP power management, enabling battery-aware operation in energy-harvesting or always-on systems. Internal oscillator options up to 64 MHz eliminate external crystals in cost-sensitive designs, and 5V-tolerant digital I/O with independent peripheral functions accelerate BOM consolidation. Integrated mTouch capacitive-touch support makes the part well-suited for human-interface front panels. Typical applications include low-power industrial sensor nodes with 5V analog signal chains, capacitive-touch human-machine interfaces (HMI), motor control in small appliances and fans, USB-CDC/HID human-interface devices, and general-purpose 5V embedded control with CAN/EEPROM data logging. In each case the 32 KB Flash footprint and 5V-tolerant I/O allow straightforward firmware migration within the PIC18 K40 family. When designing with this MCU, ensure the chosen VQFN-9x9 footprint provides adequate copper thermal relief - the exposed pad must be soldered to a continuous ground plane for thermal and electrical performance. Verify unused I/O configuration in firmware to avoid floating-pin current leakage, and consult the device-specific silicon errata for ADCC and PPS revisions before locking the PCB layout. This page synthesizes distributor pricing, drop-in 64-VQFN alternatives, application circuits, and design considerations not aggregated on any single distributor datasheet, giving engineers an information-gain source for PIC18F65K40-I/MR selection and procurement.

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PIC18F65K40-I/PT

PIC18F65K40-I/PT - 8-Bit 64MHz 32KB Flash XLP MCU | Microchip

The Microchip PIC18F65K40-I/PT is an 8-bit PIC18 microcontroller in the PIC18K40 family with a 64 MHz CPU, 32 KB Flash program memory, 2 KB RAM, and 256 B EEPROM, packaged in a 64-pin TQFP (10x10 mm). It belongs to Microchip's XLP (eXtreme Low Power) portfolio and operates across a 1.8 V to 5.5 V supply range, suiting both 3.3 V and 5 V rails. The -I/PT suffix designates industrial temperature grade (-40C to +85C), TQFP package, and tray packaging. What is an 8-bit PIC microcontroller? A PIC (Peripheral Interface Controller) is a Harvard-architecture RISC microcontroller from Microchip Technology that typically executes one instruction per clock cycle (excluding branches), which yields deterministic timing ideal for real-time control. The PIC18 family is the high-performance tier within Microchip's 8-bit portfolio, supporting a C compiler, self-programming Flash, and rich peripheral integration. PIC MCUs are widely used where deterministic control, low cost, and low power outweigh the need for 32-bit performance. Key features include Core Independent Peripherals such as CWG (Complementary Waveform Generator), WWDT (Windowed Watchdog Timer), CRC/SCAN memory integrity, ZCD (Zero-Cross Detect), a 10-bit ADC with computation (ADC2), a 5-bit DAC, comparators, and PWM/CCP channels. Multiple UART, SPI, and I2C instances cover wired connectivity, and XLP sleep currents below 50 nA extend battery life. Architecture-wise, the device uses a 16-bit instruction word with an 8-bit data path and a 31-level hardware stack. The internal 64 MHz oscillator can be tuned from 31 kHz to 64 MHz, eliminating external crystals in many designs and shrinking the BOM. Typical applications include washing-machine and dishwasher control boards, induction-cooktop user interfaces, IoT sensor hubs, HVAC fan controllers, and small-appliance HMI panels where the integrated peripherals drive touch/proximity feedback. The functional-safety peripherals (WWDT, CRC/SCAN) support IEC 60730 class B household-appliance designs. When designing with this device, place a 100 nF + 10 uF decoupling pair near VDD/AVDD, pull MCLR high through 10 kohm, and reserve PGD/PGC for in-circuit serial programming (ICSP) using Microchip's MPLAB X IDE. This page synthesizes distributor pricing, drop-in 64-pin TQFP alternatives from the PIC18 family, and practical design notes not collated in the manufacturer datasheet.

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PIC18F65K40T-I/MR

PIC18F65K40T-I/MR - 8-Bit 64MHz MCU 32KB Flash 64-VQFN | Microchip

The Microchip Technology PIC18F65K40T-I/MR is an 8-bit PIC18 XLP microcontroller delivering 64 MIPS performance from a 64 MHz internal oscillator, packaged in a 64-pin VQFN (9x9 mm) with 32KB Flash, 2KB SRAM and 256B EEPROM. The /T suffix denotes Tape & Reel packaging and the -I grade denotes an industrial -40C to +85C operating range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, EEPROM, and a rich set of peripheral IP blocks (ADC, timers, communication ports, etc.) onto one die. The PIC18 family uses Microchip's enhanced 8-bit RISC Harvard architecture and sits within the broader taxonomy: PIC18 -> 8-bit MCU -> microcontroller -> embedded computing IC -> semiconductor. The K40 sub-family adds the eXtreme Low-Power (XLP) technology and a deep set of Core Independent Peripherals (CIPs) that operate without CPU intervention. Key features of the PIC18F65K40 include a 10-bit ADC with Computation (ADCC) supporting hardware Capacitive Voltage Divider (CVD) for touch sensing, a 5-bit DAC, two comparators, multiple PWM/CCP/CWG channels, a windowed watchdog timer (WWDT), CRC/Memory Scan, hardware Zero-Cross Detect (ZCD) and Peripheral Pin Select (PPS) for flexible signal routing. Wide operating voltage spans 2.3V to 5.5V across industrial and commercial temperature grades. Architecturally the device uses a 16-bit instruction word with an 8-bit data path, dual-bank Flash with self-programming support, and an internal 64 MHz oscillator with PLL. The hardware CIP chain (CWG + WWDT + CRC + ZCD + PPS) lets the chip execute motor control, lighting control, capacitive touch sensing and safety monitoring tasks with near-zero CPU load, freeing the core for application logic or sleep. Typical applications include human-machine interfaces with capacitive touch, low-power IoT sensor nodes, household appliances with zero-cross mains switching, battery-powered metering, USB/HID bridges, and general-purpose embedded control in 5V industrial systems. When designing, choose PPS carefully to avoid peripheral-function conflicts on shared pins, and leverage the ADCC's burst-average mode to lower ADC-induced noise. Decouple VDD with a 100 nF + 1 uF pair placed within 5 mm of each power pin and connect the VQFN exposed pad to a continuous ground plane for thermal relief. This page synthesizes distributor pricing, same-package drop-in alternatives from Microchip's K40 family and cross-brand equivalents, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F65K80-E/MR

PIC18F65K80-E/MR - 64-Pin 8-bit MCU, 32KB Flash, ECAN, 64MHz | Microchip

The Microchip Technology PIC18F65K80-E/MR is a high-performance 8-bit PIC microcontroller from the PIC18FxxK80 family, featuring an integrated ECAN (Enhanced Controller Area Network) module and eXtreme Low Power (XLP) technology, housed in a 64-pin VQFN (9x9) package. It operates at up to 64 MHz delivering 16 MIPS, integrates 32 KB of Flash program memory (16K x 16), 4 KB of RAM, and 1 KB of EEPROM, and supports a wide 1.8 V to 5.5 V operating voltage range suitable for automotive, building-control, elevator-control and industrial applications. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of programmable peripherals such as timers, ADC, communication controllers, and I/O. Within the broader taxonomy, the PIC18F65K80 belongs to the 8-bit microcontroller class, the PIC18 instruction family, and the Microchip PIC18F K80 sub-series (low-power, ECAN-enabled). MCUs serve as the embedded intelligence in virtually every electronic product, executing firmware that controls sensors, actuators, communication, and user interfaces. Key features include a 12-bit ADC with up to 12 channels (CTMU support for capacitive-touch and mTouch sensing), multiple Enhanced CCP/ECCP modules for precision PWM, hardware ECAN for automotive/industrial networking, and ultra-low sleep currents ideal for battery-powered or energy-harvesting designs. The integrated CTMU simplifies touch-sensing firmware, while dedicated peripheral pin-select (PPS) and the nanoWatt XLP sleep modes target always-on low-power applications. Technically the device uses Microchip's enhanced Harvard RISC architecture with 16-bit instructions and an 8-bit data path, supported by a configurable internal oscillator, JTAG/ICSP debug, and an internal voltage regulator. The combination of 64 MHz operation, hardware ECAN, 12-bit ADC, and XLP makes it well suited to networked, real-time, and power-constrained embedded designs. Typical applications include automotive body and chassis ECAN nodes, building-automation controllers, elevator-control boards, industrial CAN-bus sensor nodes, and low-power remote sensor monitoring. The wide operating voltage range simplifies 3.3 V and 5 V mixed-rail designs, while AEC-Q100 qualification of the -E/MR grade makes it suitable for harsh-environment automotive deployment. When designing with the -E/MR variant, confirm the extended temperature range (-40C to +125C) matches your enclosure environment and that your PCB footprint handles the 9x9 mm VQFN exposed pad (EP) for proper thermal dissipation. The EP must be soldered to the board's ground plane to meet electrical and thermal specifications. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F K80 family, and practical design notes not collected in any single source, giving engineers a faster path from datasheet to BOM.

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PIC18F65K80-I/MR

PIC18F65K80-I/MR - 8-bit MCU, 32KB Flash, ECAN, 64-VQFN | Microchip

The Microchip Technology PIC18F65K80-I/MR is a high-performance 8-bit PIC microcontroller from the PIC® XLP™ 18K family with integrated ECAN™ (Enhanced Controller Area Network) and nanoWatt XLP extreme low-power technology, housed in a 64-pin VQFN (9x9 mm) exposed-pad package. It delivers 64 MHz (16 MIPS) performance from a 32 KB (16K x 16) Flash program memory, 3.6 KB RAM, 1 KB EEPROM, and 54 digital I/O pins, operating from 1.8 V to 5.5 V. An 8-bit microcontroller (MCU) is a self-contained computing element that integrates a CPU, non-volatile program memory, volatile data memory, and configurable peripherals on a single silicon die. Within the broader hierarchy, the PIC18F65K80 belongs to the 8-bit MCU class -> PIC18 family -> PIC18F K-series sub-family -> Microcontroller IC category -> Embedded semiconductor. The 'K80' suffix denotes the ECAN-enabled, XLP low-power variant; the '65' pin-count designator selects the 64-pin package family. Key features include an integrated ECAN module with six programmable receive/transmit buffers and three dedicated transmit buffers, a 12-bit ADC (up to 12 channels depending on package), a CTMU (Charge Time Measurement Unit) for capacitive touch and precise time measurement, nanoWatt XLP sleep currents below 100 nA typical, and multiple serial interfaces (UART, SPI, I2C) suitable for sensor and actuator nodes. The integrated ECAN eliminates the need for an external CAN transceiver controller in node applications. The device uses a Harvard-architecture enhanced RISC core with 16-bit opcodes fetched from 32 KB Flash, dual-pointer indirect addressing, and a hardware multiplier. It supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD) via Microchip's MPLAB X IDE with PICKit or ICD debug probes. Typical applications include automotive body and gateway ECUs, building automation controllers, elevator control systems, industrial CAN nodes, sensor hubs, and any 1.8-5.5 V embedded design requiring ECAN connectivity with low standby current. When designing with this MCU, plan for a stable VDD decoupling network (1x 100 nF + 1x 10 µF per VDD pin pair) and connect the exposed thermal pad to the ground plane to meet the package's thermal performance. The CTMU peripheral requires a current source calibration step for accurate capacitive measurements. This page synthesizes verified distributor pricing, drop-in package alternatives from the same PIC18 K-series family, and practical design notes that are not consolidated in the Microchip datasheet alone, giving procurement and firmware engineers a single reference for sourcing decisions.

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PIC18F65K80-I/PT

PIC18F65K80-I/PT - 8-bit MCU, 64MHz, 32KB Flash, ECAN, 64-TQFP | Microchip

The Microchip Technology PIC18F65K80-I/PT is an 8-bit PIC18 microcontroller integrating an ECAN (Enhanced Controller Area Network) module with nanoWatt XLP eXtreme Low Power technology, packaged in a 64-pin TQFP (10x10 mm) form factor. It delivers 16 MIPS throughput at 64 MHz, pairs 32 KB of Flash program memory with 3.6 KB of RAM and 1 KB of EEPROM, and integrates a 12-bit A/D converter plus the Charge Time Measurement Unit (CTMU) for capacitive touch and precision time measurement. The /PT suffix denotes the 64-pin TQFP industrial temperature grade (-40C to +85C). An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control in cost- and power-sensitive embedded systems. MCUs sit within the broader semiconductor taxonomy of microcontrollers -> embedded processors -> logic ICs -> integrated circuits. The PIC18F family in particular uses a RISC-based Harvard architecture, allowing most instructions to execute in a single clock cycle and giving it the 16 MIPS throughput figure that the K80 series is rated for at 64 MHz. Key features include an integrated ECAN 2.0B controller with both standard and extended identifiers, a 1.8V to 5.5V wide operating voltage range that lets the same part power automotive and battery-backed designs, ultra-low sleep currents that support nanoWatt XLP deep-sleep modes, multiple serial interfaces (UART, I2C, SPI, ECAN), and a hardware RTCC with calendar mode. The CTMU can be paired with the A/D converter to add capacitive touch sensing or accurate time-of-flight measurements without an external analog front end. Typical applications include automotive body and chassis ECAN nodes, building automation gateways, industrial sensor interfaces, capacitive touch user interfaces, and battery-powered metering. The wide voltage range and ECAN peripheral make it a strong fit when designers want a single MCU platform that spans a 5V CAN-bus node and a low-power battery node on the same firmware base.

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PIC18F65K80T-I/PT

PIC18F65K80T-I/PT - 64MHz 8-bit MCU 32KB Flash ECAN XLP | Microchip

The Microchip PIC18F65K80T-I/PT is a high-performance 8-bit PIC18 microcontroller featuring integrated ECAN, nanoWatt XLP extreme low-power technology, 32KB of Flash program memory, and 3.6KB of RAM, housed in a 64-pin TQFP (10x10 mm) package with 54 I/O pins. An 8-bit microcontroller (MCU) is a compact programmable computing device that integrates a CPU, memory, and peripherals on a single silicon die. Within the semiconductor taxonomy, MCUs fall under microcontrollers -> microprocessors -> logic ICs -> integrated circuits. The PIC18 family specifically uses Microchip's enhanced Harvard RISC architecture with 16-bit opcodes and 8-bit data path, designed for embedded control applications requiring deterministic real-time response. The 8-bit class occupies the lower-cost, lower-power end of the MCU spectrum compared with 16-bit MSP430 or 32-bit ARM Cortex-M parts, making it ideal for cost-sensitive automotive, industrial, and building-control nodes. Key features include a 64 MHz internal oscillator delivering up to 16 MIPS instruction throughput, 1.8V to 5.5V wide operating voltage, integrated CAN 2.0B controller with six programmable buffers, a 12-bit A/D converter with up to 12 channels, and nanoWatt XLP sleep currents that enable years of battery life. The CTMU (Charge Time Measurement Unit) provides on-chip capacitance and time measurement for touch and proximity sensing without external analog ICs. The architecture combines a C compiler-optimizable RISC core with a peripheral set tuned for networked embedded nodes: ECAN for in-vehicle or industrial-bus communication, Enhanced USART for asynchronous serial, MSSP for SPI/I2C, and dual analog comparators. Three dedicated hardware timers and a 16-bit PWM module handle motor-control and power-conversion timing. Typical applications include automotive body and chassis ECAN nodes, building-automation controllers, industrial sensor hubs, low-power remote monitoring, and touch-interface human-machine interfaces. The 54 I/O pins easily drive multi-segment displays and multiple sensor channels simultaneously. When designing with this device, pay attention to the wide 1.8V to 5.5V supply range - confirm decoupling and brown-out thresholds across the full window. The 'T' suffix denotes tape-and-reel packaging while the non-T version ships in tubes - electrical specifications are identical. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F6x family, and practical design notes not consolidated in the manufacturer datasheet alone.

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PIC18F65K90-E/MR

PIC18F65K90-E/MR - 8-bit 32KB Flash MCU w/ LCD | Microchip

Microchip Technology PIC18F65K90-E/MR is an 8-bit PIC microcontroller in the PIC18F87K90 family, featuring 32KB of Flash program memory, 2KB of SRAM, and an integrated LCD driver. The device is housed in a 64-pin VQFN (9x9 mm) package with an exposed pad and is qualified to the AEC-Q100 automotive standard. It operates from a 1.8V to 5.5V supply and supports clock speeds up to 64 MHz (40 MHz in the automotive E/MR temperature grade). An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory, and peripherals on a single die. PIC18F microcontrollers use Microchip's enhanced RISC architecture, sitting in the hierarchy: 8-bit MCU -> PIC18F family -> microcontroller -> embedded processor -> semiconductor. The 'K' suffix designates the nanoWatt XLP ultra-low-power family, and the integrated LCD driver makes this part a natural fit for battery-powered human-machine interface designs. Key features include 24 channels of 12-bit ADC, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, an LCD driver supporting up to 384 segments, nanoWatt XLP sleep currents below 1 uA, and 54 digital I/O pins. Communication peripherals include two EUSART, two SPI, and one I2C. The E/MR suffix indicates an automotive-grade (-40C to +125C) part in a VQFN-64 package supplied in tube. The PIC18F65K90 architecture combines a 16-bit instruction word with 8-bit data path, allowing single-cycle 8x8 hardware multiply and C-friendly compiler support from MPLAB XC8. The CTMU enables robust capacitive touch buttons, sliders, and proximity sensors with minimal external components. Typical applications include battery-powered LCD keypads, automotive instrument clusters, portable medical monitors, e-meter displays, and white goods with touch interfaces. Designers choose the PIC18F65K90 when they need LCD glass drive plus touch sensing plus AEC-Q100 qualification in a compact QFN footprint. When designing with this part, ensure that the exposed pad is soldered to a sufficient ground plane for thermal dissipation, and use MPLAB X IDE with the XC8 compiler for development. The internal 16 MHz oscillator and PLL allow external crystal-free operation, reducing BOM cost in cost-sensitive applications. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC18F65K90-E/PT

PIC18F65K90-E/PT - 32KB Flash LCD MCU 64-Pin TQFP | Microchip

The Microchip Technology PIC18F65K90-E/PT is an 8-bit PIC microcontroller in the PIC18F87K90 family, featuring 32 KB Flash program memory, 2 KB RAM, and an integrated LCD driver, housed in a 64-pin TQFP (10 x 10 mm) package. It operates from 1.8 V to 5.5 V (extended range down to 1.8 V with the K-series XLP core) at up to 64 MHz instruction-cycle clock, and is qualified to the -40 °C to +125 °C extended automotive temperature range. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 line is Microchip's high-performance 8-bit family using a modified Harvard RISC architecture with a 16-bit instruction word. Within the power-management hierarchy, an MCU belongs to the broader category of embedded processors, alongside 16-bit MCUs, 32-bit MCUs, and DSPs; within Microchip's portfolio it sits below the PIC24/dsPIC33 (16-bit) and PIC32 (32-bit) families. Key features of the PIC18F65K90-E/PT include 54 I/O pins, nanoWatt XLP extreme-low-power technology (deep sleep currents in the nA range), a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and up to 24 channels of capacitive touch support. The integrated LCD driver supports up to 192 segments, making it a single-chip solution for human-machine interface (HMI) panels. Peripheral options include multiple USART, SPI, I2C, 12-bit ADC with computation, and multiple PWM/capture/compare modules. Architecturally, the part uses Microchip's enhanced PIC18 core with hardware multiplier, 31-level hardware stack, and configurable oscillator modes (internal 31 kHz LF, 8 % tolerance, plus HF PLL up to 64 MHz). The K-series silicon adds XLP power-saving peripherals such as RTCC, ultra-low-power wake, and deep-sleep retention of RAM. Typical applications include battery-powered LCD meters, thermostats, white-goods control boards, industrial HMI keypads, and capacitive-touch user interfaces where a single MCU drives both the display and the touch matrix. The CTMU peripheral allows up to 24 touch buttons without external analog components. When designing with this MCU, budget sufficient board area for the LCD bias resistors and segment capacitors; missing charge-pump capacitors is the most common cause of contrast failure. Also confirm your compiler tools (XC8) are at the latest version to ensure correct CTMU peripheral drivers. This page synthesizes distributor pricing, same-family drop-in alternatives in the same 64-pin TQFP, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F65K90-I/MR

PIC18F65K90-I/MR - 32KB Flash LCD MCU 64VQFN | Microchip

The Microchip Technology PIC18F65K90-I/MR is an 8-bit PIC18 microcontroller with 32KB Flash, 2KB RAM, integrated LCD driver, and nanoWatt XLP (eXtreme Low Power) technology, housed in a 64-pin VQFN (9x9 mm) package. Operating up to 64MHz across a 1.8V-5.5V supply range with 54 I/O pins, it targets battery-powered human-machine interface designs that need segmented LCD glass driving alongside capacitive-touch sensing. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip Flash program memory, RAM, and a rich set of peripherals. PIC18-family MCUs sit in the hierarchy: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. Within Microchip's portfolio, the PIC18FX5K90 sub-family adds a hardware LCD driver and CTMU (Charge Time Measurement Unit) for capacitive touch, distinguishing it from general-purpose PIC18F parts without LCD glass support. Key features include 32KB (16K x 16) Flash program memory, 2KB RAM, 1KB EEPROM, hardware LCD driver supporting up to 192 segments, an integrated CTMU for capacitive touch, nanoWatt XLP sleep currents in the sub-microamp range, two MSSP/SPI/I2C, two EUSART, 12-bit ADC, and 54 digital I/O. The 64-pin VQFN (9x9 mm) package exposes the full peripheral set, while smaller PIC18F variants in the same K90 family use 64-pin TQFP or 80-pin TQFP footprints. Technically, the PIC18F65K90 uses Microchip's enhanced Harvard architecture with a 16-bit instruction word (16K x 16 Flash equates to 32KB) and an 8-bit data path. The CTMU uses a constant-current source and timer to measure capacitance changes for touch buttons, sliders, and proximity sensors without an external touch IC. XLP technology delivers sleep currents below 1 uA typical, enabling coin-cell or energy-harvesting applications. Typical applications include handheld medical devices with LCD and touch, industrial meters and gauges with segmented displays, home-automation keypads, appliance control panels, and battery-powered instruments with capacitive-touch user interfaces. The combination of LCD + touch + low-power makes this MCU especially suited for products that previously required a separate LCD controller and touch controller. When designing with this part, allocate a substantial ground pour under the VQFN thermal pad for both thermal dissipation and signal integrity, and follow Microchip's LCD bias-generation layout guidance (separation of LCD drive traces from noise sources). Verify the operating mode of the CTMU current source against the touch-panel scan time budget, and route the SEG/COM traces with balanced capacitance to avoid ghost-segment flicker. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F65K90T-I/MR

PIC18F65K90T-I/MR - 8-bit PIC MCU, 32KB Flash, LCD Driver | Microchip

The Microchip Technology PIC18F65K90T-I/MR is an 8-bit PIC microcontroller in the PIC18F family, featuring 32KB of Flash program memory, 2KB of SRAM, and an integrated LCD driver, housed in a 64-pin QFN EP (Exposed Pad) package. It operates up to 40 MHz clock speed with a supply voltage range of 4.2V to 5.5V, and provides 54 digital I/O ports. An 8-bit microcontroller (MCU) is a compact programmable processor that combines a CPU, memory, and peripherals on a single silicon die. The PIC18F family from Microchip Technology is built on a RISC architecture with hardware multiplier and Harvard bus structure, optimized for low-power embedded control. Within the broader taxonomy, this places PIC18F65K90T-I/MR as: microcontroller -> 8-bit MCU -> PIC18F family -> nanoWatt XLP series -> LCD-driver integrated MCU -> embedded semiconductor. Key features include 32KB Flash program memory, 2KB SRAM, 1KB EEPROM, 54 I/O pins, an integrated LCD driver supporting up to 384 segments, and nanoWatt XLP (eXtra Low Power) technology for battery applications. The device also integrates a Charge Time Measurement Unit (CTMU) supporting 24 channels of capacitive touch sensing in 80-pin variants, plus 12-bit ADC, mTouch sensing, and a wide operating temperature range of -40C to +85C. The PIC18F65K90T-I/MR utilizes Microchip's nanoWatt XLP technology to achieve ultra-low sleep currents (typically under 100 nA), making it well suited to battery-powered applications that must remain dormant for long intervals while waking on interrupt. The integrated LCD driver eliminates the need for an external segment driver IC, reducing BOM cost and PCB area in user-interface designs. Typical applications include battery-powered metering with LCD displays (electricity/gas/water meters), portable medical monitors, industrial control panels with segment LCDs, automotive dashboards, and capacitive-touch user interfaces. The wide memory and I/O combination also supports home appliances and consumer electronics with simple graphical displays. When designing with this part, note that the 64-pin QFN EP package requires thermal vias under the exposed pad to dissipate heat and provide mechanical solder joint reliability. The ICD/ICSP programming pins (PGC/PGD) must be routed to accessible test points to enable in-circuit debugging. This page synthesizes distributor pricing across Mouser/DigiKey/JLCPCB, drop-in alternatives in the same 64-pin QFN EP footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F65K90T-I/MRRSL

PIC18F65K90T-I/MRRSL - 32KB Flash 8-bit MCU with LCD Driver

The Microchip PIC18F65K90T-I/MRRSL is an 8-bit PIC microcontroller from the PIC18F87K90 family featuring nanoWatt eXtreme Low Power (XLP) technology and an integrated LCD driver. The device integrates 32KB (16K x 16) of Flash program memory, 2KB of SRAM, 1KB of EEPROM, and a 64MHz internal oscillator, packaged in a 64-pin VQFN (9x9 mm) with exposed pad. It is supplied in Tape & Reel packaging with the -I (Industrial) temperature grade suffix. An 8-bit microcontroller is a single-chip computer that processes data in 8-bit words and integrates CPU, RAM, non-volatile program memory, and peripherals on one die. PIC18F-series MCUs sit within the broader Microcontroller -> Microcontroller IC -> Integrated Circuit taxonomy. Compared to 16-bit or 32-bit alternatives, 8-bit parts trade raw throughput for deterministic interrupt latency, lower cost, and ultra-low sleep current suitable for battery-powered designs. Key features include 53 digital I/O pins, a Charge Time Measurement Unit (CTMU) supporting up to 24 channels of capacitive touch sensing, an LCD driver with up to 192 segments, multiple serial interfaces (UART, SPI, I2C), and 12-bit ADC. nanoWatt XLP technology provides deep-sleep currents below 100 nA, enabling years of battery life on coin cells. The 64-pin VQFN package exposes a thermal pad for improved heat spreading. Typical applications include battery-powered consumer electronics with segmented LCD displays, capacitive touch human-machine interfaces, medical glucose meters, e-bike and fitness instruments, and metering pumps. The combination of LCD driver and capacitive touch eliminates the need for separate display and touch controller ICs, reducing BOM cost and PCB area in space-constrained designs. Industrial temperature grade parts operate from -40C to +85C ambient and require a 1.8V to 3.6V supply rail. Microchip's MPLAB X IDE and XC8 compiler provide a complete development toolchain. The device ships in Tape & Reel packaging for high-volume SMT assembly. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F65K90T-I/PT

PIC18F65K90T-I/PT - 8-Bit 64MHz 32KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F65K90T-I/PT is an 8-bit PIC18 microcontroller built on nanoWatt XLP (eXtreme Low Power) technology, featuring 32KB of Flash program memory, 2KB of RAM, and a 64-pin TQFP (PT) package rated for the industrial temperature range (-40C to +85C). It operates from a wide 1.8V to 5.5V supply and supports a 64MHz internal oscillator, with the family carrying the 'K90' suffix for low-power battery and LCD-oriented designs. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash, RAM, EEPROM), and programmable peripherals. The PIC18F65K90 sits within the 8-bit PIC microcontrollers -> PIC18 family -> Microchip MCU -> microcontroller -> embedded processor hierarchy. The 'K' series in PIC18 nomenclature indicates nanoWatt XLP technology targeting ultra-low-power operation, while the '90' suffix denotes LCD-driver integration and CTMU (Charge Time Measurement Unit) support, making the part a natural fit for human-machine-interface products. Key features include up to 54 digital I/O pins, an integrated LCD driver (up to 96 segments depending on the variant), an on-chip 12-bit ADC, multiple communication peripherals (UART, SPI, I2C), and nanoWatt XLP sleep currents in the sub-microamp range. The 32KB of self-programmable Flash enables in-application firmware updates, while the 2KB RAM supports modest data buffering without external memory. The wide 1.8V-5.5V operating range lets the same design run from a single-cell Li-ion pack or from a regulated 5V rail. Typical applications span battery-powered LCD panels, e-metering, white goods with segment displays, capacitive-touch user interfaces (via CTMU), portable medical monitors, and industrial control with local HMI. The CTMU module enables 24 channels of capacitive touch sensing on the larger 80-pin family members, eliminating dedicated touch controllers and reducing BOM cost. When designing with the PIC18F65K90T-I/PT, choose the '-I' industrial temperature grade for commercial and industrial products; upgrade to '-E' (extended, -40C to +125C) only for harsh-environment designs. Verify that your chosen package pin count (64-pin TQFP here) supports all required I/O, LCD segments, and analog channels for your board revision.

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PIC18F6620-E/PT

PIC18F6620-E/PT - 8-bit 25MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F6620-E/PT is a high-performance 8-bit PIC18 microcontroller with 64KB (32K x 16) of enhanced flash program memory, 1024 bytes of EEPROM, and 3.75KB of RAM, housed in a 64-pin TQFP (10x10 mm) extended-temperature package. It executes instructions at up to 8 MIPS at 16 MHz internal clock and supports an external clock input up to 40 MHz, targeting demanding embedded systems with rich peripheral integration. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and I/O peripherals on one silicon die. Within the semiconductor hierarchy, the PIC18F family belongs to the 8-bit MCU class -> microcontroller -> embedded processor -> integrated circuit. The PIC18F6620 specifically sits in the PIC18F66xx family of 64/80-pin high-performance 1 Mbit Enhanced FLASH microcontrollers with on-chip A/D, designed for C-friendly development with self-programming and ICD support. Key features include 12 channels of 10-bit Analog-to-Digital conversion (A/D), 5 capture/compare/PWM modules, an MSSP configurable as SPI or I2C, two USART modules, two 8-bit timers and three 16-bit timers, and 54 digital I/O lines. Operating voltage spans 4.2V to 5.5V, and the 'E' designator indicates the extended operating temperature range of -40C to +125C, making the device suitable for harsh-environment industrial and automotive-grade design-in. According to the manufacturer datasheet, the device supports in-circuit serial programming (ICSP) and in-circuit debugging via ICD, enabling rapid firmware iteration. Architecturally, the PIC18F6620 uses a RISC-based Harvard core with a 16-bit instruction word and an 8-bit data path, giving it the deterministic interrupt latency and C-compiler friendliness characteristic of the PIC18 family. Its 1024-byte EEPROM and self-programming flash support non-volatile data storage and field firmware upgrades without external memory. The 10-bit A/D with 12 input channels lets designers read multiple analog sensors directly from the MCU, while the five CCP/PWM channels provide motor-control and waveform-generation capability. Typical applications include industrial control panels, HVAC controllers, motor drives, uninterruptible power supplies, point-of-sale terminals, automotive body modules, and consumer appliances that demand 8-bit processing with rich mixed-signal integration. The wide temperature range and robust peripheral set also make it well suited to instrumentation front-ends and sensor hubs. When designing with this device, allocate adequate decoupling (100nF plus 10uF bulk near the supply pins) and use the ICSP header recommended in the datasheet for production programming. Ensure the MCLR reset network includes the prescribed pull-up and any required capacitor to guarantee clean power-on reset behavior. This page synthesizes distributor pricing, drop-in alternatives, and practical engineering design notes not found in the standalone manufacturer datasheet, giving procurement and design engineers an actionable comparison brief for the PIC18F6620-E/PT.

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PIC18F6620-I/PT

PIC18F6620-I/PT - 8-Bit MCU, 64KB Flash, 25MHz, TQFP-64 | Microchip

The Microchip Technology PIC18F6620-I/PT is an 8-bit CMOS flash-based microcontroller from the PIC18F family, delivering up to 10 MIPS of processing performance at a 25 MHz clock, and packaged in a 64-pin TQFP (PT) footprint. It integrates 64 KB of program flash, 3,840 bytes of SRAM, and 1,024 bytes of EEPROM, alongside 52 digital I/O pins, making it well-suited to embedded systems that require substantial code space and generous peripheral counts. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of peripherals. The PIC18 family uses an enhanced 8-bit Harvard RISC architecture with a modified instruction set that is both C-compiler friendly and assembly-efficient. Within the broader semiconductor taxonomy, an MCU sits in the integrated-circuit hierarchy as: microcontroller -> embedded processor -> digital IC -> semiconductor device. PIC18F66xx devices specifically target high-pin-count industrial, instrumentation, and human-machine-interface designs. Key features include five capture/compare/PWM modules, a 12-channel 10-bit analog-to-digital converter (ADC), two USART modules, an MSSP configurable as either SPI or I2C, two Addressable USARTs, and self-programming flash with In-Circuit Debug (ICD). The part runs from 2.0 V to 5.5 V, accepts an industrial temperature range of -40C to +85C, and supports both internal and external oscillator modes for flexible clocking. Architecturally, the PIC18F6620 uses a 16-bit instruction word with an 8-bit data path, a hardware multiplier for fast math, a priority-level interrupt controller, and a 31-level hardware stack. Self-programming allows bootloader-based firmware updates in the field, while ICD support enables real-time debugging through two pins without consuming I/O. Typical applications include industrial control panels, instrumentation, HVAC controllers, automotive body and climate electronics, USB-to-UART bridging via the USART peripherals, and white-goods user interfaces. The 12-bit ADC and generous I/O count make it ideal for sensor aggregation boards. When designing with this part, ensure decoupling capacitors are placed within 5 mm of the VDD/VSS pairs, that the MCLR pin is pulled high through the recommended 10 kohm resistor, and that the in-circuit debugger is connected only during development. A common pitfall is leaving the LVD (low-voltage detect) disabled when designing for brown-out-sensitive applications. This page synthesizes drop-in alternatives, application circuits, and design notes not available in the standalone Microchip datasheet, giving engineers a one-stop reference for selecting and applying the PIC18F6620-I/PT.

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