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PIC18F65J11-I/PT - 8-bit PIC18 MCU, 32KB Flash, 40MHz, TQFP-64 | Microchip
PIC18F65J11-I/PT

PIC18F65J11-I/PT - 8-bit PIC18 MCU, 32KB Flash, 40MHz, TQFP-64 | Microchip

The Microchip Technology PIC18F65J11-I/PT is an 8-bit PIC18J-series RISC microcontroller delivering 10 MIPS performance with 32KB on-chip Flash program memory and 2048 bytes of RAM, housed in a 64-pin TQFP (10x10 mm) package. The device operates from a 2.0V to 3.6V supply, integrates a 12-channel 10-bit ADC, supports up to 51 digital I/O lines, and includes nanoWatt Technology power management for ultra-low sleep current. An 8-bit microcontroller (MCU) is a compact computing-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals into a single silicon die. The PIC18 family is a high-performance 8-bit architecture with an enhanced instruction set, hardware multiplier, and C-friendly design. Positioned in the broader taxonomy, an MCU sits within the semiconductor > integrated circuit > microcontroller > 8-bit MCU hierarchy, and is widely used where deterministic real-time control, low cost, and ease of programming outweigh the need for higher CPU throughput. Key differentiating features of the PIC18F65J11 include 32KB of self-programmable Flash organized as 16K x 16 words, an internal 8 MHz oscillator with PLL options, dual analog comparators, two USART modules, a master I2C and SPI peripheral set, four 16-bit timers, and nanoWatt Technology power modes that lower sleep current below typical competitors. The device also supports in-circuit serial programming (ICSP) and In-Circuit Debug (ICD) for production-friendly firmware development. Architecturally, the PIC18J core employs a 16-bit instruction word with Harvard bus separation and a hardware multiply engine, providing 10 MIPS at 40 MHz. The 64-pin TQFP package exposes the full peripheral set including external memory interfaces, making this part well-suited to applications that demand both signal conditioning and user-interface handling. Typical applications for the PIC18F65J11-I/PT include data loggers, industrial controllers, automotive body and climate modules, consumer appliances, USB peripherals, and general-purpose embedded control. With 51 available I/O pins, designers can drive keypads, LCDs, multiple sensors, and communication buses without external glue logic. When designing with this MCU, reserve one I/O pin for the MCLR reset function and add the recommended 10 kohm pull-up plus a decoupling capacitor as per Microchip application note guidelines. Surface-mount TQFP-64 assembly requires standard JEDEC MS-026 land patterns and reflow profiles consistent with Pb-free / RoHS-compliant SAC305 solder. This page synthesizes distributor stock and pricing, validated drop-in alternatives, and practical design notes not found in the standalone datasheet.

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PIC18F65J15-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 64-TQFP | Microchip
PIC18F65J15-I/PT

PIC18F65J15-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 64-TQFP | Microchip

The Microchip Technology PIC18F65J15-I/PT is a high-performance 8-bit microcontroller from the PIC18F "J" family, featuring 48 KB of Flash program memory, 3.9 KB of SRAM, and a 40 MHz internal oscillator in a 64-pin TQFP (10x10 mm) package. It is built on an enhanced RISC Harvard architecture with 16-bit instructions and operates across a 2.0V to 3.6V supply range optimized for 3.3V systems, with industrial-grade -40C to +85C temperature support. An 8-bit PIC microcontroller is a CMOS-based microcontroller built on a Modified Harvard architecture that separates program and data memory for simultaneous instruction fetch and data access. PIC18F devices target cost-sensitive embedded designs that need a balance of moderate Flash, multi-channel peripheral integration, and a deterministic instruction set familiar to PIC ecosystem users; PIC18J variants specifically use 3.3V-only supply with the analog and digital peripherals tuned for low-voltage operation. Key features of the PIC18F65J15 include 54 digital I/O pins, two USART modules with LIN support, one MSSP (configurable as I2C or SPI), one enhanced USART, an 8-channel 10-bit ADC, two analog comparators, four 16-bit timers and three CCP modules, and an ICD (In-Circuit Debugger) interface. The integrated 31 kHz to 8 MHz internal oscillator and NanoWatt power management allow high-performance execution with low standby power, while the parallel master/slave PSP port allows direct interface with external bus devices. Architecturally, the PIC18F65J15 uses a single-cycle ALU and pipeline that delivers up to 10 MIPS at 40 MHz. The 16-bit instruction word provides C-compiler-friendly addressing modes and a software stack that scales with the application's call depth. On-chip peripherals (ADC, comparators, PWM) share an analog ground AGND that is internally tied to Vss to minimize pin count - a characteristic engineers must consider when designing PCB decoupling. Typical applications for the PIC18F65J15-I/PT include automotive body and HVAC control, industrial sensor and motor control, USB-less human-machine interface (HMI) panels, RS-232/RS-485 industrial networked sensor nodes, and general-purpose embedded control. The two asynchronous ports (LIN-capable) suit automotive door modules, dashboard clusters, and seat controller modules. Key design considerations include ensuring the supply rail sits within 2.0V to 3.6V (transceivers on the same PCB should match the 3.3V domain, and a separate LDO may be required to drop a 5V rail to 3.3V). Additionally, for code protection features on the J family, in-circuit programming (ICSP) requires careful trace management around the PGC/PGD pins to prevent interference with peripherals. This page synthesizes distributor pricing, parametric comparison, and practical PCB design notes beyond the manufacturer datasheet to accelerate the PIC18F65J15-I/PT evaluation cycle for engineers sourcing 3.3V 8-bit MCUs.

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PIC18F65J50-I/PT - 8-Bit 48MHz USB MCU 32KB Flash 64-TQFP | Microchip
PIC18F65J50-I/PT

PIC18F65J50-I/PT - 8-Bit 48MHz USB MCU 32KB Flash 64-TQFP | Microchip

The Microchip Technology PIC18F65J50-I/PT is a high-performance 8-bit PIC18J microcontroller IC running at up to 48 MHz internal clock (12 MIPS throughput), integrating 32 KB of Flash program memory and 3,936 bytes of RAM, housed in a 64-pin TQFP (10x10 mm) package. It combines full-speed USB 2.0 device connectivity, two enhanced USART modules (LIN-capable), a master I2C interface, and an SPI peripheral that supports up to 10 Mbit/s for high-bandwidth serial comms. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC18 family is Microchip's high-performance 8-bit line, sitting above the PIC16 in code density (16-bit instruction word) and peripherals, and below the PIC24/dsPIC in 16-bit performance. The "J" sub-family specifically uses 3.3V-only supply operation with internal voltage regulators, optimized for lower power and USB-friendly rails, while the "F" prefix on the die denotes Flash program memory. Key differentiating features include nanoWatt power management with multiple idle/sleep modes, an on-chip full-speed USB 2.0 transceiver (12 Mbit/s), a 10-bit ADC with up to 8 channels, an enhanced analog comparator, and a CTMU (Charge Time Measurement Unit) for capacitive touch and accurate time measurement. The 64-pin TQFP footprint provides up to 54 digital I/O lines for interfacing to sensors, displays, and human-interface hardware. Architecturally, the PIC18J core uses a 16-bit instruction word and 8-bit data path, an 8-level hardware stack, and 31 interrupt sources with vectored handling. The internal PLL generates the 48 MHz system clock from an external crystal, freeing I/O pins versus an external oscillator arrangement and simplifying USB clock accuracy. Typical applications include USB human-interface devices (HID, CDC, vendor-class), embedded sensor hubs with LIN bus, industrial control panels with multi-serial bridges, and low-power connected nodes that benefit from nanoWatt sleep modes and direct USB device connectivity. When designing with this MCU, ensure the supply rail is held within 2.0-3.6 V for J-family parts (some peripheral specs extend higher), keep the 48 MHz decoupling tight to the VDD pins, and use a 12 MHz crystal with the internal PLL when USB is required for the ±0.25% clock-accuracy budget. This page synthesizes distributor pricing, drop-in same-family alternatives from the PIC18 J-line, and practical design notes not aggregated on the Microchip product page.

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PIC18F65J50T-I/PT - 48MHz 8-bit USB MCU 32KB Flash | Microchip
PIC18F65J50T-I/PT

PIC18F65J50T-I/PT - 48MHz 8-bit USB MCU 32KB Flash | Microchip

The Microchip Technology PIC18F65J50T-I/PT is an 8-bit PIC18J-series microcontroller running at 48 MHz with 32 KB of Flash program memory and 3.8 KB of RAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package. It integrates a Full-Speed USB 2.0 peripheral (12 Mbit/s), one MI²C, one SPI (up to 10 Mbit/s), and two EUSART (LIN-capable) ports, giving designers four serial interfaces plus USB on a single die. The T-suffix indicates Tape & Reel packaging and the I/PT suffix denotes the industrial temperature grade (-40 °C to +85 °C). What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path, Flash program memory, RAM, and on-chip peripherals such as timers, ADC, and communication interfaces. PIC microcontrollers use Microchip's RISC (Reduced Instruction Set Computer) Harvard architecture with separate program and data buses. Within Microchip's portfolio, the PIC18F65J50 sits in the PIC18F "J" family of high-performance USB parts, above the PIC16 family in compute capability and below PIC32 (32-bit) parts in raw throughput. Key features include 25 nA typical sleep current from the nanoWatt technology power-management module, 16 MIPS throughput, 54 digital I/O pins, two analog comparators, a 10-bit ADC, and an on-chip voltage regulator. The wide supply range of 2.0-3.6 V (core from internal regulator; I/O 4.2-5.5 V per package rating) allows single-rail 3.3 V operation. Five power-managed operating modes let the device drop below 100 nA in deep sleep while keeping RTCC and watchdog active. The architecture combines a 16-bit instruction word with an 8-bit data path and an 8 x 8 hardware multiplier, giving deterministic interrupt latency for real-time control. Internal DMA-style memory-mapped peripheral access, plus the C-optimized compiler and MPLAB X IDE toolchain, allow C and assembly development. The 480-page family datasheet (covering PIC18F87J50 / 66J50 / 65J50 / 46J50) exposes an external memory bus on the 80-pin siblings for system expansion. Typical applications include Full-Speed USB peripherals such as HID/CDC devices, industrial sensors with LIN or UART, home-automation bridges, automotive body controllers and human-interface panels, and consumer devices that need a low-power MCU with USB. Designers choose this part when code size is under 32 KB, USB is mandatory, and I/O count exceeds 40. When designing, note that the J-series parts run core from an internal 2.5 V regulator powered by VDD; place 100 nF + 1 µF on VCAP and follow the datasheet decoupling schedule. For USB, route the 90 Ω differential pair to a type-B or mini-B connector with the recommended ferrite and ESD array. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and firmware engineers evaluate the PIC18F65J50T-I/PT against modern USB MCU requirements.

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PIC18F65J90-I/PT - 8-bit 40MHz 32KB Flash LCD MCU | Microchip
PIC18F65J90-I/PT

PIC18F65J90-I/PT - 8-bit 40MHz 32KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F65J90-I/PT is an 8-bit PIC18 microcontroller featuring a 40 MHz CPU core, 32 KB of Flash program memory, 2 KB of SRAM, and an integrated LCD driver, housed in a 64-pin TQFP (10x10 mm) package. The device operates from 4.2 V to 5.5 V (with extended operation down to 2.0 V at 8 MHz), delivers 54 digital I/O pins, and includes two PWM channels, two analog comparators, multiple timers, an ADC, and nanoWatt power-management modes for energy-conscious designs. An 8-bit microcontroller (MCU) is a programmable computing IC that executes instructions from on-chip Flash memory and is widely used as the central controller in embedded systems. Within the product taxonomy, the PIC18F65J90 sits in the PIC18 family of Microchip's 8-bit portfolio, a category that bridges simple PIC10/12/16 controllers with the higher-end dsPIC and 32-bit PIC32 devices. The 8-bit word size is well suited to bit-manipulation, GPIO-heavy, and human-interface applications where determinism and low cost matter more than raw CPU throughput. Key features of the PIC18F65J90 include 32 KB (16K x 16) self-programmable Flash, 2 KB RAM, a 10-bit ADC, an on-chip LCD driver supporting up to 64 segments, an enhanced Capture/Compare/PWM (ECCP) module, two comparators, a real-time clock with RTCC, and nanoWatt technology for low-power sleep/idle modes. Multiple communication peripherals include EUSART, I2C, and SPI for sensor and module interfacing. Internally, the PIC18F65J90 uses a RISC Harvard architecture with a modified 16-bit instruction word and an 8-bit data path, giving deterministic interrupt response and a single-cycle 8x8 hardware multiplier. The integrated LCD charge pump and bias generator simplify glass-driving design, while the nanoWatt modes (Run, Idle, Sleep) and on-the-fly oscillator switching allow systems to throttle power consumption without code overhead. Typical applications include handheld utility meters (power, gas, water), thermostats, home security panels, medical instruments, white-goods user interfaces, and any battery-powered product needing an LCD display. The wide operating range and rich peripheral set make it a strong fit for industrial human-machine interface (HMI) nodes. When designing with this part, reserve I/O pins adjacent to analog inputs for the LCD segment lines to simplify routing. The internal charge pump needs the recommended capacitor network on the VLCD pins; bypass VLCD with 0.1 uF and 4.7 uF to ensure stable display contrast. This page combines distributor pricing, drop-in PIC18 alternatives, and practical design notes beyond the manufacturer datasheet to help engineers shorten selection time on 64-pin PIC18 LCD projects.

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PIC18F65J90T-I/PT - 8-bit 40MHz 32KB Flash LCD MCU | Microchip
PIC18F65J90T-I/PT

PIC18F65J90T-I/PT - 8-bit 40MHz 32KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F65J90T-I/PT is an 8-bit PIC18J-series microcontroller running at 40 MHz with 32 KB of Flash program memory and 2048 bytes of RAM, housed in a 64-pin TQFP (10x10 mm) package. It integrates an integrated LCD driver, nanoWatt power management, 51 digital I/O lines, and a 10-bit ADC on-chip, making it a single-chip solution for human-machine-interface and metering products. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data path and a Harvard or von Neumann architecture. Within the broader hierarchy, an MCU belongs to the family of microcontrollers -> embedded processors -> semiconductor ICs. The PIC18 family from Microchip uses an enhanced RISC architecture with a 16-bit instruction word, a hardware multiplier, and a C compiler-friendly instruction set, and the J-suffix "J90" sub-line adds 3.3V-only operation with an integrated charge pump and segment LCD driver for low-power displays. Key features of the PIC18F65J90 include a 2.0V-3.6V core voltage range (4.2V-5.5V supply to the analog and digital pins, with internal voltage regulation for the core), nanoWatt technology for low-power sleep modes, up to 51 I/O pins shared with LCD segment outputs, and an enhanced USART, I2C, and SPI serial interface set. The on-chip LCD controller can drive up to 192 segments, enabling direct connection of glass displays without external drivers. Architecturally, the device pairs an 8-bit data path with a 16-bit instruction word, a 32-level hardware stack, and a flash-based program store that supports in-circuit serial programming (ICSP) and ICD debugging. The integrated LCD module uses an internal charge pump to generate bias voltages for the panel, eliminating the need for an external boost converter and reducing both BOM cost and PCB area. Typical applications include handheld meters (multimeters, clamp meters), thermostats and HVAC controls, home-security panels, power/gas/water metering terminals, medical infusion pumps, and any portable battery-powered product with a character or segment LCD. The wide operating temperature range of -40C to +85C supports both indoor consumer and light-industrial enclosures. When designing with this part, note that the J-series requires a 3.3V regulated rail; do not connect 5V logic directly to the I/O pins unless the analog/digital I/O bank is configured through the peripheral-pin-select module. Decouple VDD/VSS with at least 100 nF ceramic placed within 5 mm of the supply pins, and reserve the LCD bias capacitors per the datasheet reference circuit. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet, providing an engineer-ready reference for sourcing and designing in the PIC18F65J90 family.

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PIC18F65J94-I/MR - 64-Pin 8-bit MCU with USB/LCD | Microchip
PIC18F65J94-I/MR

PIC18F65J94-I/MR - 64-Pin 8-bit MCU with USB/LCD | Microchip

The Microchip Technology PIC18F65J94-I/MR is an 8-bit PIC microcontroller from the PIC18J family, featuring 32 KB (16K x 16) of Flash program memory, 4 KB of RAM, and a maximum CPU speed of 64 MHz (16 MIPS), housed in a 64-pin QFN package measuring 9 mm x 9 mm. Operating across an industrial temperature range of -40 °C to +85 °C, this device integrates a full-speed USB 2.0 peripheral, a segmented LCD driver supporting up to 256 segments, a 12-bit A/D converter, and nanoWatt XLP extreme low-power technology optimized for battery-backed applications. The 'I' suffix indicates the industrial temperature grade and 'MR' denotes the QFN-64 surface-mount package. A microcontroller (MCU) is a single-chip computer that contains a processor core, non-volatile program memory (typically Flash), volatile data memory (RAM), and a rich set of peripherals. The PIC18 family is a Harvard-architecture 8-bit RISC microcontroller family by Microchip widely used in consumer, industrial, and automotive subsystems because of its deterministic instruction timing, mature toolchain, and broad peripheral integration. PIC18F65J94 belongs to the PIC18J sub-family, which adds features such as enhanced peripherals, segmented LCD drivers, and on-chip USB to the base PIC18 architecture. Key features of this part include nanoWatt XLP sleep currents that extend battery life in Vbat-backed designs, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight measurements, and a hardware Real-Time Clock/Calendar (RTCC) with its own oscillator. The integrated segmented LCD controller can directly drive up to 256 LCD segments, eliminating the need for an external LCD driver. The 64-pin QFN form factor provides a low-profile footprint suitable for space-constrained modules while exposing a large number of I/O and peripheral pins. Typical applications include battery-backed metering devices (water, gas, electricity), USB-connected human-interface devices, industrial control panels with on-board LCDs, and portable medical instrumentation. The combination of USB, LCD, and CTMU enables single-chip designs that previously required multiple ICs, reducing both BOM cost and PCB area. The wide operating voltage range supported by the J-series (typically 2.0 V to 3.6 V) further simplifies battery-powered designs. When designing with this MCU, designers should review the errata sheet, ensure the 3.3 V core voltage is supplied correctly on the J-series (the J devices operate from a single 2.0 V to 3.6 V supply without a built-in LDO regulator), and properly configure the LCD bias network. A unique feature on this page is a consolidated alternatives cross-reference plus practical design notes that go beyond the manufacturer datasheet.

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PIC18F65J94-I/PT - 8-bit 64MHz PIC MCU 32KB Flash USB LCD | Microchip
PIC18F65J94-I/PT

PIC18F65J94-I/PT - 8-bit 64MHz PIC MCU 32KB Flash USB LCD | Microchip

The Microchip Technology PIC18F65J94-I/PT is an 8-bit RISC PIC18 microcontroller with nanoWatt XLP technology, 32KB of Flash program memory, 4KB of RAM, and integrated USB and segmented LCD controllers, packaged in a 64-pin TQFP (10x10x1mm). It operates at up to 64MHz delivering 16 MIPS, with a wide 2.0V to 3.6V supply range that makes it suitable for both battery-powered and 3.3V system designs. A PIC18 microcontroller is an 8-bit Harvard-architecture RISC MCU from Microchip's PIC family, widely used for embedded control. The PIC18F65J94 belongs to the PIC18J subfamily and sits within the broader PIC18 > PIC > 8-bit MCU > microcontroller > semiconductor taxonomy. It combines the standard PIC18 peripheral set with two rare features for an 8-bit MCU: a Full-Speed USB 2.0 device peripheral and a segmented LCD driver that supports up to 256 segments, eliminating the need for an external driver. Key features include 32KB (16K x 16) Flash with self-programmability, 4KB RAM, 12-bit ADC with up to 16 channels, hardware RTCC, CTMU (Charge Time Measurement Unit) for capacitive touch, hardware CRC, mTouch support, nanoWatt XLP sleep modes drawing under 100 nA, and a Vbat mode for RTC retention from a backup battery. The 64-pin TQFP gives access to 52 digital I/O pins plus dedicated analog, USB, and LCD segment pins. The architecture uses an 8-bit data path with 16-bit instructions and a two-stage pipeline, delivering 16 MIPS at 64MHz while consuming significantly less power than 32-bit alternatives. The CTMU block enables cost-effective capacitive touch sensing, and the 12-bit ADC plus dedicated op-amp front-ends make the part suitable for sensor-interface designs without external analog ICs. Typical applications include USB-connected human-interface devices, segment-LCD user-interface panels (appliance controls, metering, industrial HMIs), capacitive-touch keypads, battery-powered data loggers, and consumer/industrial sensor nodes. The wide Vbat support makes it especially attractive for products that must keep a real-time clock running while the main supply is removed. When designing with the PIC18F65J94-I/PT, place the decoupling network close to the VDD/VCAP pins and ensure the 64-pin TQFP pad has adequate copper for thermal dissipation. The MPLAB X IDE with XC8 compiler is the recommended toolchain, and Microchip's USB Framework and mTouch libraries substantially cut firmware development time for the integrated peripherals. This page synthesizes drop-in alternatives, distributor pricing, and practical design notes that go beyond what is found on the Microchip datasheet alone, helping engineers choose between the PIC18F65J94 and its pin-compatible family members.

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PIC18F65J94T-I/MR - 64-pin 8-bit PIC MCU, 32KB Flash, USB/LCD, QFN | Microchip
PIC18F65J94T-I/MR

PIC18F65J94T-I/MR - 64-pin 8-bit PIC MCU, 32KB Flash, USB/LCD, QFN | Microchip

The Microchip Technology PIC18F65J94T-I/MR is a 64-pin, 8-bit PIC18 microcontroller integrating 32KB of Flash program memory, 4KB of RAM, a segmented LCD driver, and a USB 2.0 full-speed transceiver in a single 9x9 mm 64-lead QFN (also called VFQFN with exposed pad) package. Operating at up to 64 MHz internal clock, it delivers 16 MIPS instruction throughput and is built on the PIC18 XLP (eXtra Low Power) "18J" family with nanoWatt XLP technology for ultra-low sleep currents. Tape-and-reel (suffix /MR) shipping orientation makes it suitable for high-volume SMT assembly. According to the manufacturer datasheet, the part supports 2.5 V and 3.3 V core supplies and is rated for the industrial -40C to +85C operating range. A PIC18F microcontroller is a member of Microchip's 8-bit PIC family, built on a modified Harvard RISC architecture with separate program and data buses. PIC18F devices target general-purpose embedded control, combining deterministic instruction execution with rich on-chip peripherals including ADC, comparators, timers, I2C/SPI/UART, USB, LCD, and RTCC. Within the broader taxonomy, a microcontroller sits in the hierarchy: 8-bit MCU -> PIC18 family -> XLP low-power class -> 18J USB+LCD series -> semiconductor device. Key features of the PIC18F65J94T-I/MR include on-chip USB 2.0 full-speed with transceiver, an integrated segmented LCD controller capable of driving up to 256 segments (the largest in the family), nanoWatt XLP deep-sleep modes with sub-microamp currents, a 10-bit ADC, multiple capture/compare/PWM modules, an RTCC, and CTMU touch support. The 64-pin QFN with exposed pad provides excellent thermal dissipation and a compact 9x9 mm PCB footprint, while the industrial temperature range and robust peripheral mix make it a drop-in successor to legacy PIC18F65J90/J11 USB applications. Technically, the PIC18F65J94T-I/MR uses an 8-bit modified RISC core with 16-bit instructions, 32-level hardware stack, and a 16-bit wide program memory bus. The on-chip 32KB Flash supports self-programming and ICSP, while 4KB SRAM and 1KB EEPROM-style data EEPROM provide ample working storage for USB stack and application variables. The internal PLL derives the 64 MHz system clock from the primary oscillator, and the integrated USB transceiver with on-chip pull-up resistors simplifies BOM for USB device designs. Typical applications include USB human-interface devices (HID) such as keyboards/mice/joysticks, USB-to-UART bridges, USB medical or instrumentation peripherals, segment-LCD user-interface appliances, low-power sensor readouts, and consumer white goods with USB connectivity. Industrial control panels with simultaneous USB diagnostics and LCD readout also benefit from the integrated peripherals. When designing with the PIC18F65J94T-I/MR, allocate a generous copper pour under the exposed pad of the QFN package for both thermal dissipation and a low-impedance ground return. The dual-voltage core (2.5 V/3.3 V) requires a properly sequenced power ramp and adequate bulk capacitance to avoid Vcore undervoltage lockout during USB enumeration events. This page synthesizes Microchip datasheet values, current distributor pricing, drop-in PIC18 alternatives from the same family, and practical design notes - content not assembled on a single manufacturer or distributor page.

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PIC18F65J94T-I/PT - 32KB Flash 8-Bit XLP USB MCU | Microchip
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 - 64KB Flash, 64MHz 8-bit MCU, 64-VQFN | Microchip
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 - 64MHz 8-Bit MCU 32KB Flash 64-TQFP | Microchip
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 - 8-bit MCU 32KB Flash QFN-64 | Microchip
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 - 8-bit 64MHz PIC MCU, 32KB Flash, TQFP-64
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 - 64MHz 8-bit MCU 32KB Flash 64-TQFP
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 - 32KB Flash 8-bit MCU | Microchip | 64-TQFP
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 - 8-bit 32KB Flash MCU 64MHz | Microchip
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 - 8-Bit 64MHz 32KB Flash MCU | Microchip
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 - 8-Bit 64MHz 32KB Flash MCU 64-VQFN | Microchip
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 - 8-Bit 64MHz 32KB Flash XLP MCU | Microchip
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 - 8-Bit 64MHz MCU 32KB Flash 64-VQFN | Microchip
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 - 64-Pin 8-bit MCU, 32KB Flash, ECAN, 64MHz | Microchip
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 - 8-bit MCU, 32KB Flash, ECAN, 64-VQFN | Microchip
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 - 8-bit MCU, 64MHz, 32KB Flash, ECAN, 64-TQFP | Microchip
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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