Vi điều khiển

Sản phẩm (20.000+)

PIC18F4520-I/P - 8-Bit MCU 40MHz 32KB Flash DIP-40 | Microchip
PIC18F4520-I/P

PIC18F4520-I/P - 8-Bit MCU 40MHz 32KB Flash DIP-40 | Microchip

The Microchip Technology PIC18F4520-I/P is an 8-bit PIC18 enhanced flash microcontroller delivering up to 40 MHz clock (10 MIPS at 3V-5V) with 32KB (16K x 16) flash program memory, 1,536 bytes of RAM, and 256 bytes of EEPROM, housed in a 40-pin plastic DIP (PDIP-40) package with 36 general-purpose I/O lines. A microcontroller unit (MCU) integrates a processor core, program memory, data memory, and peripherals on a single die, forming the lowest tier of the embedded control hierarchy: embedded controller -> microcontroller -> system-on-chip. The PIC18 family extends the classic PIC16 RISC architecture with a C-compiler-optimized instruction set and an 8x8 single-cycle hardware multiplier. Key features include nanoWatt Technology power management (Idle and Sleep modes with multiple wake sources), an internal oscillator block covering 31 kHz to 8 MHz with 4x PLL, a Fail-Safe Clock Monitor that safely shuts down the system if the primary clock fails, and a watchdog timer with its own independent RC oscillator. The peripheral set comprises a 10-bit, up to 13-channel analog-to-digital converter, two CCP modules plus one enhanced CCP (ECCP) supporting PWM, capture and compare, an enhanced USART for serial communication, a Parallel Slave Port, three 16-bit timers plus one 8-bit timer, and an In-Circuit Debug/Programming interface (ICSP) using the PGC/PGD pins. Typical applications include industrial control panels, motor control and relay driver boards, legacy equipment maintenance, hobbyist and educational prototyping, and laboratory instrumentation. The DIP-40 package is especially valuable for breadboarding, socketed field replacement, and through-hole production. A key design consideration: the -I suffix specifies the industrial temperature range of -40C to +85C and a supply range of 4.2V to 5.5V; design the power rail and brown-out settings accordingly. This page synthesizes distributor pricing, verified drop-in alternatives, complete pinout data, and practical design notes not found in the manufacturer datasheet.

RFQ Liên hệ
PIC18F4520-I/P - 8-bit MCU 32KB Flash 40MHz DIP-40 | Microchip
PIC18F4520-I

PIC18F4520-I/P - 8-bit MCU 32KB Flash 40MHz DIP-40 | Microchip

The Microchip Technology PIC18F4520-I/P is an 8-bit enhanced Flash microcontroller delivering up to 10 MIPS performance at 40 MHz, with 32 KB (16K x 16) Flash program memory, 1,536 bytes of SRAM, 256 bytes of EEPROM, and 36 general-purpose I/O pins, housed in a 40-pin PDIP package rated from -40C to +85C. An 8-bit microcontroller (MCU) is a single integrated circuit that contains a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. Within the power-management hierarchy of embedded systems, the MCU sits at the application layer, coordinating sensors, actuators, and communication interfaces. The PIC18 family is Microchip's enhanced mid-range 8-bit architecture, a successor to the PIC16 line, optimized for C compiler efficiency. Key differentiating features include a C-compiler-optimized RISC core with an 8 x 8 single-cycle hardware multiplier, nanoWatt Technology power-management modes with an internal oscillator block covering 31 kHz to 8 MHz, Fail-Safe Clock Monitor, and an extended instruction set. A 10-bit analog-to-digital converter with up to 13 channels, two CCP (Capture/Compare/PWM) modules plus one ECCP module, an enhanced USART, and a parallel slave port round out the peripheral set. Architecturally, the PIC18F4520 uses a modified Harvard architecture with a 16-bit instruction word and 8-bit data path, executing most instructions in a single cycle (200 ns at 40 MHz crystal-derived Fosc/4). Operation spans a 4.2 V to 5.5 V supply, making it well suited to 5 V industrial logic environments where 3.3 V MCUs require level shifting. Typical applications include industrial control and automation, legacy equipment maintenance and upgrades, motor control via the ECCP module, and educational/hobby embedded platforms, where the through-hole DIP-40 package simplifies prototyping and socketed replacement. A key design consideration is supply voltage: the -I industrial temperature version requires 4.2 V to 5.5 V, so a 5 V regulated rail and 5 V-tolerant peripherals are assumed; the LF variant (PIC18LF4520) covers 2.0 V to 5.5 V for low-voltage designs. This page synthesizes distributor pricing, verified drop-in alternatives within the PIC18 DIP-40 family, pinout data, and practical design notes not found in the manufacturer datasheet, providing engineers a single decision-ready reference as of 2026-10-12.

RFQ Liên hệ
PIC18F4520-I/PT - 8-Bit MCU 32KB Flash 40MHz TQFP-44
PIC18F4520-I/PT

PIC18F4520-I/PT - 8-Bit MCU 32KB Flash 40MHz TQFP-44

The Microchip Technology PIC18F4520-I/PT is an 8-bit PIC microcontroller from the PIC18F family, delivering up to 40 MIPS throughput from a 40 MHz internal clock and integrating 32 KB of Enhanced Flash program memory with 1.5 KB of internal SRAM and 256 bytes of EEPROM, housed in a 44-pin TQFP (10x10) package. According to Microchip's product listing, the device is built on an enhanced RISC Harvard architecture with 75 instructions and a 16-bit wide instruction set, providing deterministic interrupt response and single-cycle hardware multiply support. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile Flash program memory, volatile SRAM, EEPROM, and a rich peripheral set (timers, A/D, USART, I2C, SPI, PWMs, and I/O ports) into one package. The PIC18F sits in the upper tier of Microchip's 8-bit portfolio, offering nanoWatt power management, 10-bit ADC, and Extended Instruction Set capability. It belongs to the broader category of embedded controllers in the power management and microcontroller pyramid, used whenever a deterministic, low-cost control plane is needed. Key differentiating features include 36 digital I/O pins, a 13-channel 10-bit A/D converter with 100 ksamples/s throughput, two analog comparators, two CCP modules and one ECCP module, hardware USART with LIN support, MSSP for SPI/I2C, and four timer modules (one 8-bit, three 16-bit). The Enhanced Flash supports 100K erase/write cycles typical and self-programmability under firmware control, enabling bootloaders and field updates without external programmers. The architecture uses a 16-bit program path and an 8-bit data path, with 31 interrupt vectors and a vectored priority scheme. The ADC can be triggered from a dedicated timer for deterministic sampling. With five operating modes (Run, Idle, Sleep, Doze, and RC_RUN) plus the nanoWatt regulator, the device typically draws 7 µA in Sleep and 1.6 mA at 4 MHz/3.3 V, allowing years of operation from a battery in sensor applications. Typical applications include industrial control panels, sensor hubs with analog front-end conditioning, automotive body and HVAC sub-systems, USB-to-UART bridges, motor control driver boards, and consumer white goods where deterministic performance, low BOM cost, and long-term firmware stability are required. The wide operating range (2.0 V to 5.5 V) makes the PIC18F4520 equally comfortable in 3.3 V battery-backed and 5 V mains-referenced designs. When designing with this part, observe the boundary-scan rules in the in-circuit debug header (ICD/ICSP) and provide adequate decoupling: place a 100 nF ceramic as close as possible to each VDD/VSS pair plus a 10 µF bulk on the main rail. The PLCC vs TQFP package choice affects socket availability and PCB rework; pick PT (TQFP-44) for surface-mount production and keep I/P (DIP-40) only for breadboard prototypes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ Liên hệ
PIC18F4520-I/PT - 8-Bit MCU 40MHz 32KB Flash TQFP-44 | Microchip
PIC18F4520-I/PT

PIC18F4520-I/PT - 8-Bit MCU 40MHz 32KB Flash TQFP-44 | Microchip

The Microchip Technology PIC18F4520-I/PT is an 8-bit PIC18 enhanced Flash microcontroller running at up to 40 MHz clock frequency, with 32 KB (16K x 16) of Flash program memory and 44-pin TQFP (10x10 mm) surface-mount package. An 8-bit microcontroller (MCU) is an integrated circuit that contains a processor core, program memory, data memory, and peripherals on a single chip, executing one instruction per cycle on 8-bit-wide data paths. Within the system hierarchy, the MCU sits at the heart of embedded control systems, ranking below application processors but above simple logic ICs in capability. The PIC18F4xxx family extends Microchip's mid-range PIC architecture with a 16-bit-wide instruction set, enhanced Flash endurance, and nanoWatt technology for low-power design. Key features of the PIC18F4520 include 10-bit analog-to-digital conversion across multiple channels, nanoWatt power management, capture/compare/PWM (CCP) modules, an enhanced CCP (ECCP) module, and a priority interrupt structure with three programmable external interrupts. Per the family datasheet, the device integrates one 8-bit timer, three 16-bit timers, and a watchdog timer, providing flexible timing resources without external components. Architecturally, the PIC18F4520 uses a Harvard architecture with separate program and data buses, an Enhanced Flash program memory with high write endurance, and linear addressing via the Phase-Locked Loop (PLL) that multiplies the oscillator input to reach the 40 MHz internal clock. The industrial-grade temperature rating (-40C to +85C, denoted by the -I suffix) suits harsh environments. Typical applications include industrial automation and control panels, automotive accessories (non-safety), instrumentation and data loggers, and consumer appliance control boards. The 10-bit ADC and CCP/PWM outputs make it well suited to sensor acquisition and motor or LED control. Design considerations: the 44-TQFP footprint requires careful decoupling of multiple VDD/VSS pairs, and the RB6/RB7 pins double as the In-Circuit Serial Programming (ICSP) clock and data lines - keep programming headers accessible. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

RFQ Liên hệ
PIC18F4523-E/ML - 8-bit MCU, 32KB Flash, 40MHz, 44-QFN | Microchip
PIC18F4523-E/ML

PIC18F4523-E/ML - 8-bit MCU, 32KB Flash, 40MHz, 44-QFN | Microchip

The Microchip Technology PIC18F4523-E/ML is an 8-bit PIC microcontroller from the PIC18Fxx23 enhanced Flash family, delivering up to 40 MHz operation from 2.0 V to 3.3 V or 4.2 V to 5.5 V supplies. The device integrates 32 KB of Flash program memory (16K x 16), 1536 bytes of RAM, 256 bytes of EEPROM, and 36 digital I/O pins in a 44-pin VQFN (8x8 mm) exposed-pad package, qualified to the extended -40C to +125C automotive temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, I/O peripherals, and often analog blocks. The PIC18F family uses Microchip's enhanced 8-bit RISC architecture with a 16-bit instruction word and 8-bit data path, optimized for deterministic interrupt latency and C-compiler efficiency. Within the broader taxonomy, the PIC18F4523 sits at: 8-bit MCU -> enhanced PIC18 -> PIC18Fxx23 sub-family -> 40-pin class microcontrollers -> embedded computing -> semiconductor IC. Key differentiating features include an internal oscillator block, a 10-bit ADC with up to 13 channels, multiple PWM modules, an enhanced USART, an MSSP module for SPI and I2C, two comparators, and a 16-bit timer/counter. The /ML suffix denotes the QFN surface-mount package with extended (-40C to +125C) operating temperature, while the -E suffix indicates the extended automotive temperature grade. Architecturally, the PIC18F4523 leverages a Harvard bus structure with separate program and data paths, a hardware multiplier, and prioritized interrupts that allow deterministic response times in motor control and sensor fusion loops. The 40 MHz oscillator with 4x PLL option yields 10 MIPS throughput, sufficient for control loops, human-machine interface (HMI) refresh, and small protocol stacks such as Modbus RTU over RS-485. Typical applications include industrial automation controllers, automotive body and HVAC modules, sensor signal conditioning, USB-to-UART bridges (using the MSSP/USART), motor drive front-ends, and white-goods user-interface boards. The wide operating voltage range also supports 5V industrial 24V-bus designs after front-end regulation. When designing with the PIC18F4523-E/ML, plan the PCB land pattern to expose the QFN thermal pad and stitch vias to the inner ground plane for proper heat dissipation. The ICSP programming pins (PGC/PGD) must remain accessible in production layouts, and decoupling should be a 100 nF ceramic within 3 mm of each supply pin per Microchip's PIC18F family reference design. This page synthesizes distributor stock levels, drop-in PIC18F45xx alternatives from Microchip, and PCB layout considerations not always surfaced in the standalone datasheet.

RFQ Liên hệ
PIC18F4523-E/P - 8-Bit 40MHz 32KB MCU | Microchip
PIC18F4523-E/P

PIC18F4523-E/P - 8-Bit 40MHz 32KB MCU | Microchip

The Microchip Technology PIC18F4523-E/P is an 8-bit PIC18 microcontroller with a 40 MHz operating frequency, 32 KB of Flash program memory, 1,536 bytes of RAM, and 36 I/O pins in a 40-pin through-hole DIP package. The -E/P ordering code identifies the extended-temperature automotive-grade variant in the surface-mount-ready through-hole package format. A PIC18F4523 is a microcontroller in the broader 8-bit embedded-control hierarchy: an MCU integrates a CPU, Flash program memory, RAM, data EEPROM, timers, serial interfaces, analog conversion functions, and digital I/O on one semiconductor device. Compared with a discrete processor design, this integration reduces board size, component count, and firmware complexity while providing deterministic peripherals for control-oriented products. Key device attributes include 32 KB of Flash for program storage, 1,536 bytes of SRAM for working data, and 36 I/O lines for sensors, switches, indicators, actuators, and communication interfaces. The 40 MHz maximum instruction clock supports faster control-loop execution and serial-data handling than lower-clock PIC18 devices, while the Extended Flash architecture provides a convenient way to retain firmware revisions in the field. The PIC18F4523-E/P belongs to the PIC18F2423, PIC18F2523, PIC18F4423, and PIC18F4523 family. Its mixed-signal feature set is suitable for products that combine digital logic with analog measurement, making it useful in industrial controls, instrumentation, appliances, and embedded monitoring systems. The PIC architecture uses a Harvard-oriented instruction organization and dedicated peripheral modules connected through the interrupt system. Typical applications include environmental monitoring, motor and pump controllers, temperature-control panels, programmable logic controllers, industrial user interfaces, and compact embedded instruments. The 36 I/O pins provide flexibility for multiple digital channels, while the 12-bit A/D conversion capability identified for the PIC18F4523 family supports sensor interfaces that require more resolution than basic threshold sensing. Design considerations include decoupling each supply connection near the device, preserving the required oscillator and programming connections, and checking the extended-temperature requirements across the complete operating environment. Because the DIP package exposes its pins, it also provides generous spacing for prototyping and hand soldering, although automatic assembly generally favors a surface-mount package variant. This product page combines the manufacturer’s device information with application guidance, interface considerations, and same-family replacement analysis. It helps engineers compare memory, timing, packaging, and temperature-range choices before committing a PIC18F4523-E/P design to production.

RFQ Liên hệ
PIC18F4523-I/P - 32KB Flash 8-bit MCU, 40MHz, 40-PDIP | Microchip
PIC18F4523-I/P

PIC18F4523-I/P - 32KB Flash 8-bit MCU, 40MHz, 40-PDIP | Microchip

The Microchip Technology PIC18F4523-I/P is an 8-bit PIC18 enhanced flash microcontroller delivering up to 10 MIPS performance, 32KB of program flash memory (16K x 16 words), 1.5KB of RAM, and 256 bytes of EEPROM in a 40-pin PDIP through-hole package. It operates across a 2.0V to 5.5V supply range and integrates a 12-bit A/D converter with up to 13 input channels, making it suitable for mixed-signal embedded designs. An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (flash/ROM), I/O peripherals, and communication interfaces onto one die. The PIC18 family uses a C-compiler-optimized RISC architecture with 8x8 single-cycle hardware multiply and a 16-bit instruction word, occupying the tier above baseline PIC16 parts and below the PIC24/dsPIC families in Microchip's portfolio. This hierarchy places the PIC18F4523-I/P firmly within the mainstream 8-bit MCU segment, where deterministic core performance and broad peripheral integration are prioritized over raw clock speed. Key features include a 40MHz internal/external clock with 4x PLL support, internal oscillator from 31 kHz to 8 MHz, fail-safe clock monitor, watchdog timer with dedicated RC oscillator, nanoWatt power management for sleep current reduction, two USART modules, MSSP (SPI/I2C), CCP/ECCP modules, and two analog comparators. The 12-bit ADC distinguishes this part from the older 10-bit PIC18F4520. The device supports in-circuit serial programming (ICSP) and in-circuit debug (ICD) via two pins. Typical applications include industrial control panels, sensor signal conditioning nodes, motor control with low-side MOSFET driving, automotive body and chassis subsystems (non-safety), consumer appliance control boards, and battery-powered instrumentation requiring nanoWatt sleep modes. The 40-PDIP package is favored for legacy designs, educational platforms, and breadboard prototyping where through-hole assembly is preferred over SMD. When designing with this MCU, place the 0.1uF VDD decoupling capacitor within 5mm of each VDD/SS pin pair. Use a 10k pull-up on MCLR to ensure clean reset behavior and an in-series resistor to limit injection current. Unused I/O pins must be configured as outputs and driven low to minimize sleep mode leakage.

RFQ Liên hệ
PIC18F4523-I/PT - 8-bit PIC MCU 32KB Flash 40MHz 44-TQFP | Microchip
PIC18F4523-I/PT

PIC18F4523-I/PT - 8-bit PIC MCU 32KB Flash 40MHz 44-TQFP | Microchip

The Microchip Technology PIC18F4523-I/PT is a high-performance 8-bit PIC microcontroller in the PIC18F family, featuring 32KB of Enhanced Flash program memory, 1536 bytes of RAM, and 256 bytes of EEPROM. Housed in a 44-pin TQFP (10x10 mm) package, it executes instructions at up to 40 MHz (10 MIPS) through its RISC architecture, and integrates a 12-bit A/D converter with up to 13 input channels. Operating from 2.0 V to 5.5 V, this device supports both 3.3 V and 5 V system designs, making it ideal for mixed-voltage environments. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals onto one silicon die. PIC18F microcontrollers are Microchip's mid-range enhanced 8-bit family, sitting between the baseline PIC10/12/16 families and the 16-bit dsPIC/PIC24 families. They combine a RISC Harvard architecture with on-chip peripherals (ADC, timers, UART, SPI, I2C, PWM, etc.), enabling standalone embedded control without external logic. Compared with 32-bit ARM Cortex-M cores, PIC18F parts trade raw performance for predictable interrupt latency, deterministic instruction timing, and a mature MPLAB/XC8 toolchain. Key features of the PIC18F4523 include nanoWatt power management for low-power sleep modes, up to 36 digital I/O pins, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, two enhanced USART modules, an MSSP (SPI/I2C) port, and self-programming flash with block erase. The integrated 12-bit ADC delivers 12-bit resolution across up to 13 analog channels, doubling the precision of competing 10-bit ADC implementations in this segment. Typical applications include industrial control boards, motor drive interface logic, HVAC and appliance controllers, automotive body/comfort electronics, sensor signal conditioning, USB-to-serial bridges, and small graphical or segment LCD products. The 32KB flash comfortably supports USB stacks (CDC, HID), Modbus RTU, and PID control loops. Designers should consult Microchip's datasheet DS39626 family document for full peripheral specifications, electrical characteristics, and programming guidelines.

RFQ Liên hệ
PIC18F4523T-I/ML - 8-bit 32KB Flash MCU, 40MHz, TQFP-44
PIC18F4523T-I/ML

PIC18F4523T-I/ML - 8-bit 32KB Flash MCU, 40MHz, TQFP-44

The Microchip Technology PIC18F4523T-I/ML is an 8-bit PIC18 enhanced flash microcontroller with 32KB of program memory, 1536 bytes of RAM, and 256 bytes of EEPROM, housed in a 44-pin TQFP (ML) package with exposed pad. What is a PIC18 microcontroller? PIC18 is Microchip's high-performance 8-bit microcontroller family built on an enhanced RISC architecture. PIC18 microcontrollers combine Harvard architecture (separate program and data buses) with C-optimized instruction sets, integrated peripherals (ADC, UART, SPI, I2C, PWM), and nanoWatt power management. They sit within the broader hierarchy: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18F4523 specifically belongs to the PIC18F4520/4523 family of 28/40/44-pin enhanced flash MCUs with 12-bit A/D, designed for mixed-signal embedded designs. The PIC18F4523 executes instructions at up to 10 MIPS from a 40 MHz oscillator, supports 4.2V to 5.5V single-supply operation, and provides 36 digital I/O pins. Its on-chip peripherals include a 12-bit A/D converter with up to 13 channels, two capture/compare/PWM modules, two USART modules, MSSP (SPI/I2C), and the nanoWatt power-managed sleep modes (Idle, Sleep, Deep Sleep) that drop current consumption to the nanoampere range. The device uses a modified Harvard architecture with a 16-bit instruction word, an 8-level hardware stack, and a priority interrupt controller with vectored interrupts. The flash program memory supports self-programming (ICSP) and an internal 8 MHz RC oscillator is selectable for low-cost designs without external clocking. Typical applications include industrial control panels, HVAC thermostats, sensor signal conditioning, home appliance user interfaces, and low-cost data acquisition systems where 12-bit ADC precision, multiple serial interfaces, and reliable flash program memory are required. The wide 5V supply tolerance is well-matched to industrial 24V bus designs post-regulation. When designing with this part, ensure VDD decoupling is placed within 5 mm of the AVSS/VDD pins and use a 100 nF + 10 uF bulk capacitor combination. For 12-bit ADC accuracy, drive the analog inputs through low-impedance sources (< 2 kohm) and decouple VREF+ independently. The exposed thermal pad (ML package) must be soldered to the PCB ground plane for thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single datasheet page. Engineers evaluating 8-bit MCU options will find the comparison tables, application notes, and package pinout information consolidated here for faster decision-making.

RFQ Liên hệ
PIC18F4525-E/PT - 8-Bit 48KB Flash MCU, 44-TQFP | Microchip
PIC18F4525-E/PT

PIC18F4525-E/PT - 8-Bit 48KB Flash MCU, 44-TQFP | Microchip

The Microchip Technology PIC18F4525-E/PT is an 8-bit PIC microcontroller from the PIC18F family, featuring 48KB of Enhanced Flash program memory, 3,384 bytes of RAM, and 1KB of EEPROM, housed in a 44-pin TQFP (10x10 mm) surface-mount package. The device executes instructions at up to 10 MIPS with a 25MHz (40MHz max) external clock input and includes an integrated 31 kHz to 8MHz internal oscillator block with 4x PLL support, enabling flexible system clocking without external crystals. An 8-bit microcontroller (MCU) is a single-chip computer optimized for control-oriented embedded tasks. The PIC18 family is part of Microchip's enhanced RISC architecture line, sitting between the PIC16 mid-range parts and the 16-bit dsPIC/PIC24 devices in Microchip's portfolio. Within that hierarchy, the PIC18F4525 belongs to the "F4525/F4620" sub-family that pairs Enhanced Flash with nanoWatt power management and a 10-bit ADC, making it a general-purpose MCU for industrial and consumer control. Key features of the PIC18F4525-E/PT include a 13-channel 10-bit ADC with auto-acquisition, two Capture/Compare/PWM modules, an enhanced USART, an MSSP module supporting SPI and I2C (master/slave), two analog comparators, and a hardware 8x8 single-cycle multiplier. The Fail-Safe Clock Monitor (FSCM) automatically switches to the internal RC oscillator if the primary clock fails, and the Watchdog Timer uses a dedicated internal RC for true independence. nanoWatt technology provides idle, sleep, and deep-sleep modes for battery-friendly designs. The architecture is an 8-bit Harvard RISC design with a C-compiler-optimized instruction set, 16-bit instructions, and 32-level hardware stack with software push/pop. The Enhanced Flash supports >100,000 erase/write cycles typical and >40 years of data retention, suitable for long-life industrial equipment. Typical applications include industrial automation controllers, HVAC and environmental sensors, low-cost motor control with PWM, sensor-interface nodes, and home appliance control panels. Designers typically select this part when you require a mature PIC18 codebase, generous Flash for a small RTOS or USB stack, and the pin count of the 44-pin TQFP. When designing with the PIC18F4525-E/PT, configure CONFIG words in the IDE (MPLAB X) to select oscillator mode and brown-out thresholds. The E/PT suffix indicates the extended (-40C to +125C) operating temperature grade in the TQFP package. This page combines distributor pricing, drop-in same-family alternatives, and practical design notes compiled from the manufacturer datasheet and authorized distributors.

RFQ Liên hệ
PIC18F4525-I/ML - 48KB Flash 8-bit MCU, 44-QFN | Microchip
PIC18F4525-I/ML

PIC18F4525-I/ML - 48KB Flash 8-bit MCU, 44-QFN | Microchip

The Microchip Technology PIC18F4525-I/ML is an 8-bit RISC PIC18 microcontroller delivering 48KB of Enhanced Flash program memory, 3968 bytes of SRAM, and 1024 bytes of Data EEPROM in a 44-pin QFN (ML) package. It operates at up to 40 MHz with a 200 ns instruction cycle, integrates 36 digital I/O lines, and supports supply voltages from 4.2 V to 5.5 V for full-speed operation. The device is built on CMOS technology and includes 10-bit Analog-to-Digital Conversion (ADC), nanoWatt power management, and a rich set of peripherals including CCP, EUSART, MSSP (SPI/I2C), and dual analog comparators. A PIC18 microcontroller is a Harvard-architecture 8-bit RISC processor from Microchip's PIC family, positioned between baseline PIC10/12/16 devices and the 16-bit dsPIC/PIC24 families. The PIC18F4525 belongs to the F45xx sub-family of 28/40/44-pin enhanced flash microcontrollers with nanoWatt technology, and the PIC18F4525-I/ML variant specifically uses the 44-pin QFN package (also denoted by the ML suffix). It sits in the broader taxonomy as: microcontroller -> 8-bit MCU -> PIC18 -> PIC18F45xx -> flash-based RISC MCU -> embedded computing IC. Key features include 48KB (24K × 16) of Enhanced Flash program memory, 1024 bytes of Data EEPROM with high-endurance, 3968 bytes of SRAM, 36 I/O pins with individual direction control, and four timer modules (Timer0/1/2/3). Integrated peripherals include a 10-bit ADC with up to 13 channels, two analog comparators, a Capture/Compare/PWM (CCP) module plus an Enhanced CCP (ECCP), MSSP supporting SPI and I2C (master/slave), enhanced USART (EUSART), and a 4× PLL on selected oscillator modes. nanoWatt features such as idle, sleep, and deep-sleep modes reduce active current substantially for battery-powered designs. Architecturally, the PIC18F4525-I/ML uses a 16-bit-wide instruction word with a 21-bit program counter, supporting linear memory addressing up to 2 MB. The enhanced flash supports self-programming via ICSP (In-Circuit Serial Programming) and a bootloader-friendly write/erase model. On-chip debug is supported through Microchip's ICD/MPLAB ecosystem, and the 44-QFN (8×8 mm) package with exposed pad aids thermal dissipation for industrial applications. Typical applications include industrial control panels, sensor data acquisition nodes, motor drive controllers (low-side, using ECCP+PWM), USB-to-UART bridges (using EUSART + external transceiver), home appliance HMIs, and automotive body/comfort modules. The 36 I/O count comfortably supports keypad scanning, LCD driving (via external controller), and multi-channel ADC monitoring in parallel. When designing with this part, ensure the AVdd/AVss pair is properly decoupled (10 µF + 0.1 µF) for ADC accuracy, and route the exposed thermal pad (EP) to a solid ground pour. Choose between the 44-QFN (ML), 44-TQFP (PT), and 40-PDIP (P) variants only after PCB real estate and thermal budget are finalized. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ Liên hệ
PIC18F4525-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 44-TQFP | Microchip
PIC18F4525-I/PT

PIC18F4525-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 44-TQFP | Microchip

The Microchip Technology PIC18F4525-I/PT is an 8-bit PIC18F family microcontroller with 48 KB of Flash program memory, 3,968 bytes of RAM, and a 256-byte EEPROM, operating at up to 40 MHz (10 MIPS) in a 44-pin TQFP (10x10 mm) package. The device integrates 36 digital I/O pins, a 10-bit ADC with up to 13 input channels, two analog comparators, two CCP modules, one enhanced CCP (ECCP), a USART, MSSP (SPI/I2C), and nanoWatt power management technology. The -I suffix indicates the industrial temperature range of -40C to +85C, and the /PT suffix denotes the TQFP-44 surface-mount package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and programmable peripheral interfaces. The PIC18F family uses a RISC-based 8-bit Harvard architecture with 16-bit instructions optimized for deterministic real-time control. MCUs sit at the lowest tier of the embedded computing hierarchy - above them are microprocessors (MPUs) and SoCs - making the PIC18F4525 suited to mid-complexity applications where deterministic interrupt latency and low power matter more than raw throughput. Key features include four 8-bit timer/counters, two 16-bit timer/counters, a 10-bit ADC with up to 13 channels and 100 Ksps conversion rate, dual hardware USART and MSSP peripherals, and nanoWatt Technology power-saving modes. The device supports ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugging) through the ICSP/ICD pins, enabling field updates without removing the MCU from the board. Typical applications include industrial control systems, HVAC controls, automotive body electronics, sensor interfaces, low-end displays, and consumer appliance controls. The wide supply range (4.2V to 5.5V) and broad peripheral set make it suitable for mains-powered and battery-backed designs. Designers should reserve pin 1 (MCLR/VPP) with the proper reset circuit and ensure decoupling capacitors are placed within 5 mm of VDD/VSS pairs. For low-power designs, utilize nanoWatt sleep modes with appropriate peripheral gating to achieve quiescent currents below 1 uA. This page synthesizes distributor pricing, drop-in PIC18F alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ Liên hệ
PIC18F4525T-I/ML - 48KB Flash, 40MHz 8-bit MCU TQFP-44 | Microchip
PIC18F4525T-I/ML

PIC18F4525T-I/ML - 48KB Flash, 40MHz 8-bit MCU TQFP-44 | Microchip

The Microchip Technology PIC18F4525T-I/ML is an 8-bit RISC PIC microcontroller in a 44-pin QFN/TQFP (ML) package, featuring 48 KB of Enhanced Flash program memory and 3,968 bytes of RAM. The part operates from 4.2 V to 5.5 V, supports a maximum clock speed of 40 MHz, and provides 36 digital I/O pins suitable for embedded control designs. Program memory is rated for high-endurance in-application programming, while an integrated 10-bit Analog-to-Digital Converter handles sensor and analog signal acquisition. A PIC18 microcontroller is a 16-bit instruction-word, 8-bit data-path MCU built around an enhanced Harvard architecture, combining separate program and data buses with a RISC instruction set. PIC18 devices sit in the hierarchy: PIC18 family -> PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers (MCUs) -> semiconductors. Within Microchip's lineup, the PIC18F family is the mainstream "high performance" tier, positioned above PIC16F and below the 16-bit dsPIC and 32-bit PIC32 families. nanoWatt Technology (a Microchip trademark) refers to dynamic power-management modes that lower active and sleep current for battery-aware designs. Key features of the PIC18F4525 include 256 bytes of EEPROM, two 8-bit and three 16-bit timers, two analog comparators, a USART, an MSSP (Master Synchronous Serial Port) configurable for SPI or I2C, two capture/compare/PWM modules, and nanoWatt power management. The 10-bit ADC provides up to 13 input channels depending on package, supporting industrial sensor interfacing at modest conversion rates. Typical applications include industrial automation controllers, motor control front-ends (using PWM and timers), automotive body and chassis subsystems (non-safety), consumer appliances, HVAC control boards, USB-to-UART bridging (with on-chip USART), and sensor hubs requiring analog and digital I/O. The wide 4.2 V to 5.5 V supply range and 40 MHz throughput position it well for 5 V-tolerant industrial designs. The industrial temperature grade of -40 C to +85 C (I-suffix) supports uncontrolled environments, and the TQFP-44 footprint with exposed pad simplifies PCB layout for thermal dissipation and ground integrity. The "T" suffix denotes tape-and-reel packaging for high-volume assembly. When designing, engineers should match Vdd decoupling (100 nF + 10 uF recommended) and reserve MCLR pin handling for in-circuit serial programming and reset robustness.

RFQ Liên hệ
PIC18F4525T-I/PT - 8-bit 40MHz 48KB Flash MCU | Microchip
PIC18F4525T-I/PT

PIC18F4525T-I/PT - 8-bit 40MHz 48KB Flash MCU | Microchip

The Microchip Technology PIC18F4525T-I/PT is an 8-bit RISC PIC18 microcontroller running at up to 40 MHz, integrating 48 KB of Enhanced Flash program memory, 3,968 bytes of SRAM, and 1,024 bytes of data EEPROM in a 44-pin TQFP (10x10 mm) package. Tape-and-reel (T) packaging variant, industrial -40C to +85C temperature range (I suffix), and PT package designator. What is a PIC18F Microcontroller? A PIC18F microcontroller belongs to Microchip's 8-bit PIC microcontroller family built on an enhanced Harvard architecture with a RISC instruction set. Within the broader semiconductor hierarchy, PIC18F sits inside: microcontroller -> embedded MCU -> 8-bit MCU -> semiconductor IC. The PIC18F core separates program and data buses, integrates peripherals (ADC, timers, communication ports) on-chip, and executes most instructions in one instruction cycle (four oscillator clocks), making it suitable for deterministic real-time control. The PIC18F4525T-I/PT differentiates itself through on-chip nanoWatt power management, an enhanced instruction set with 16-bit instructions, C-compiler friendly architecture, and 36 digital I/O pins. Its 10-bit ADC (up to 13 channels), multiple timers, and Capture/Compare/PWM modules suit mixed-signal embedded designs. Internal oscillator options and on-chip EEPROM simplify BOM, while the ICSP (In-Circuit Serial Programming) interface enables in-field firmware updates. Technically, the device operates from 4.2V to 5.5V (F-class part; the LF variant supports 2.0V-5.5V), uses a 2.0V-5.5V wide-range core (per family datasheet), and integrates nanoWatt Technology with multiple low-power modes (RUN, IDLE, SLEEP). Peripheral highlights include two USART modules, MSSP (SPI/I2C), CCP/ECCP modules, and a 10-bit ADC with up to 13 input channels. The enhanced Flash supports 100,000 erase/write cycles typical, with self-programmability. Typical applications include industrial control panels, HVAC thermostat controllers, automotive body electronics (non-safety), consumer appliance controllers, sensor signal conditioning nodes, and USB-to-UART bridging with companion parts. The wide peripheral set also suits smart metering, motor control (low-side BLDC), and small graphical user-interface boards with character or low-resolution graphic LCDs. When designing with PIC18F4525T-I/PT, choose between TQFP-44 (PT), QFN-44 (ML), and DIP-40 (P) packages based on PCB real-estate and assembly preferences. Pay attention to the F vs LF voltage-range suffix: F = 4.2V-5.5V only, LF = 2.0V-5.5V (full range). A proper decoupling network (100 nF + 10 uF bulk per VDD pair) and a 1 kohm pull-up on MCLR are essential for stable operation. This page synthesizes distributor pricing, drop-in alternatives within the same TQFP-44 footprint, and practical design notes not found in the manufacturer datasheet. Compared to DigiKey/Mouser/Octopart product pages, it adds a pin-compatible same-family alternative list, an ADC-channel and peripheral comparison table, and AI-search-optimized FAQs covering commercial, comparison, selection, replacement, and datasheet intents.

RFQ Liên hệ
PIC18F452T-I/L - 8-Bit 40MHz 32KB Flash MCU 44-PLCC | Microchip
PIC18F452T-I/L

PIC18F452T-I/L - 8-Bit 40MHz 32KB Flash MCU 44-PLCC | Microchip

The Microchip Technology PIC18F452T-I/L is a high-performance 8-bit CMOS FLASH-based microcontroller from the PIC18F family, delivering 10 MIPS (100 ns instruction execution) at 40 MHz and packing 32 KB of program FLASH plus 1.5 KB of RAM into a 44-pin PLCC package. Operating from 4.2 V to 5.5 V across the industrial -40 °C to +85 °C temperature range, it integrates 34 digital I/O lines, a 10-bit ADC with up to 8 channels, two 8-bit and three 16-bit timers, hardware USART, MSSP (SPI/I2C), and the nanoWatt Technology power-management block that drops quiescent current to microamp levels during sleep. The 'T' suffix indicates tape-and-reel packaging and 'I/L' designates the industrial temperature grade in the L (PLCC) package. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, on-chip FLASH program memory, RAM, peripherals, and an arithmetic-logic unit. Within the broader semiconductor taxonomy, the PIC18F452 belongs to the hierarchy: microcontroller -> 8-bit MCU -> FLASH MCU -> PIC18 family -> PIC18F452 sub-family. The 8-bit class remains widely used because it offers deterministic interrupt response, low cost, and low power for embedded control where the throughput of 32-bit Cortex-M parts is unnecessary. Key features that distinguish this device include 77 single-word instructions (simplifying compiler and assembly code), an enhanced FLASH program memory supporting 100K erase/write cycles, an ICD-friendly in-circuit debug interface, hardware multiplier for 8x8 unsigned operations in a single cycle, and self-programming capability that allows field firmware upgrades through the USART. The MSSP peripheral supports both SPI master/slave and I2C master/slave modes, while the USART handles RS-232/RS-485 links commonly found in industrial automation. Typical applications include industrial control and sensor interfaces, building automation controllers, HVAC thermostats, instrument data loggers, low-end human-machine interface (HMI) panels, and consumer appliance control boards. Its 10-bit ADC, generous I/O count, and rugged industrial temperature grade make it well-suited to factory-floor designs where reliability over decades matters more than peak compute throughput. The PIC18F452 is also widely used as a teaching platform in university embedded systems curricula and as an upgrade target for legacy PIC16C/PIC17C designs, offering code compatibility with older Microchip parts. When designing with this part, ensure decoupling capacitors of 100 nF are placed close to VDD/VSS pins and that MCLR is pulled high through a 10 kohm resistor for normal operation; for in-circuit debugging, leave the ICSPDAT and ICSPCK pins accessible. Programming voltage is generated on-chip, eliminating the need for an external 13 V supply. Brown-out reset thresholds should be configured via configuration bits to protect FLASH integrity during power cycling.

RFQ Liên hệ
PIC18F452T-I/PT - 8-bit 40MHz 32KB Flash MCU 44-TQFP | Microchip
PIC18F452T-I/PT

PIC18F452T-I/PT - 8-bit 40MHz 32KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F452T-I/PT is a high-performance 8-bit CMOS Flash microcontroller based on the PIC18 enhanced architecture, delivering 10 MIPS at 40 MHz, packaged in a 44-pin TQFP (10x10 mm). It integrates 32 KB of program Flash, 1536 bytes of SRAM, and 256 bytes of EEPROM, with 34 digital I/O lines, eight 10-bit ADC channels, two CCP modules, USART, MSSP (SPI/I2C), and a 10-bit PWM module. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program, SRAM for data, EEPROM for non-volatile storage), peripherals, and I/O on one die. Within the semiconductor hierarchy, MCUs sit below ASICs and microprocessors; the 8-bit class (PIC18, AVR, 8051) targets cost-sensitive embedded control, while 32-bit Cortex-M parts dominate higher-performance tasks. PIC18F devices add 16-bit-wide instructions, linear memory, and C-compiler-friendly addressing to the traditional PIC RISC core. Key features of the PIC18F452T-I/PT include 32 KB self-programmable Flash, 256-byte EEPROM with one-million-cycle endurance, an internal RC oscillator with PLL for 40 MHz operation, nanoWatt power management, and a wide 4.2 V to 5.5 V supply range. The 77 single-word instruction set simplifies code generation and assembly migration. The device uses a Harvard architecture with separate code and data buses, plus an 8x8 hardware multiplier that accelerates arithmetic. The integrated 10-bit ADC provides up to eight channels with 500 ksps throughput. The nanoWatt technology reduces quiescent current below 1 uA in sleep mode, enabling battery-backed designs. Typical applications include industrial control systems, automotive body electronics, home appliances, sensor interfaces, low-end human-machine interfaces, and USB/serial-connected embedded nodes. The generous Flash and SRAM support small RTOS, TCP/IP stacks, and graphical LCD controllers. Designers should place 0.1 uF decoupling capacitors close to each VDD/VSS pair and a 10 uF bulk capacitor near the device. Unused I/O pins should be configured as outputs low to minimize current draw. The internal oscillator eliminates the external crystal in many designs but trades frequency accuracy for BOM cost. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's own PIC18F family, and practical design notes not found in the manufacturer datasheet. All alternatives are pin-compatible 44-TQFP variants sourced from the same PIC18F452 die family.

RFQ Liên hệ
PIC18F4539-E/ML - 8-bit 40MHz Motor Control MCU 24KB Flash | Microchip
PIC18F4539-E/ML

PIC18F4539-E/ML - 8-bit 40MHz Motor Control MCU 24KB Flash | Microchip

The Microchip Technology PIC18F4539-E/ML is an 8-bit enhanced FLASH microcontroller with a sophisticated single-phase induction motor control kernel, 24 KB of program memory, 1408 bytes of RAM, and 256 bytes of EEPROM, housed in a 44-pin VQFN (ML) package with exposed thermal pad. It runs at up to 40 MHz across a 2.0V to 5.5V operating range, provides 32 digital I/O lines, and integrates 8 channels of 10-bit Analog-to-Digital conversion, two PWM modules, self-programming FLASH, an ICD debug interface, and a C-compiler-friendly architecture. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device that combines a RISC-style instruction set with on-chip FLASH program memory, EEPROM data memory, and a rich set of peripherals including timers, ADC, PWM, and communication modules. Within the broader taxonomy, the PIC18F family is Microchip's high-performance 8-bit line (PIC -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor), designed for applications that need more code space, higher MIPS, and motor-control or DSP-like peripherals than the baseline PIC16F parts can deliver. Key differentiating features include the dedicated motor control kernel tailored for single-phase induction motor drives, dual PWM outputs with programmable duty cycle and dead-band control, an enhanced USART, MSSP for SPI/I2C, and self-programming FLASH that enables field firmware updates. The 10-bit ADC with up to 8 input channels supports current/voltage/temperature sensing in inverter-style power stages. Architecturally, the PIC18F4539 pairs an enhanced 16-bit instruction word with a hardware multiply engine, providing single-cycle multiplication and 16-bit arithmetic operations, which accelerates the math needed for sensorless motor control algorithms such as BEMF zero-crossing detection. Typical applications include single-phase induction motor drives for fans, pumps, and white-goods compressors, as well as general-purpose 8-bit embedded control where a small QFN footprint, integrated peripherals, and the C-friendly PIC18 instruction set are preferred. When designing with this device, ensure that the exposed thermal pad is soldered to a sufficiently large copper pour to meet the thermal and electrical ground requirements. The wide 2.0V to 5.5V supply range allows direct operation from regulated 3.3V or 5V rails, but decoupling capacitors must be placed within a few millimeters of VDD/AVDD/AVSS pins. This page synthesizes verified distributor pricing, drop-in alternatives, and practical motor-control design notes not consolidated in the manufacturer datasheet.

RFQ Liên hệ
PIC18F4539-E/P - 8-bit MCU, 24KB Flash, 40 DIP | Microchip
PIC18F4539-E/P

PIC18F4539-E/P - 8-bit MCU, 24KB Flash, 40 DIP | Microchip

The Microchip Technology PIC18F4539-E/P is an 8-bit enhanced Flash microcontroller built on the PIC18 Harvard architecture and offered in a 40-pin PDIP (P) through-hole package, integrating 24 KB of Flash program memory, 1408 bytes of RAM, 256 bytes of EEPROM, 32 digital I/O lines, 8 channels of 10-bit ADC, two PWM modules, and a hardware single-phase induction motor control kernel. An 8-bit PIC microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile Flash program memory, volatile RAM, EEPROM data memory, and a rich set of on-chip peripherals (ADC, PWM, timers, communication ports, motor-control PWMs). PIC18F-series devices extend the base PIC16 core with linear program memory, 16-bit instructions, and C-friendly development tools, sitting between entry-level 8-bit PIC MCUs and 16-bit dsPIC/PIC24 parts in Microchip's product hierarchy: PIC10/12/16/18 -> 8-bit MCU -> microcontroller -> embedded control IC -> semiconductor. Key features of the PIC18F4539-E/P include 24 KB (12K x 16) of self-programmable Flash, 256 bytes of EEPROM for non-volatile data, 1408 bytes of SRAM, an internal oscillator with PLL capable of up to 40 MHz operation, an ICD (In-Circuit Debugger) interface, self-programming support, two Capture/Compare/PWM modules optimized for power and motor control, and Nanowatt power management for sleep/Idle modes that extend battery life in standby. Architecturally, the PIC18F4539 adds a dedicated single-phase induction motor control kernel on top of the standard PIC18F CPU, a feature that distinguishes it from generic PIC18F parts such as PIC18F4520. The on-chip motor-control kernel (Power Control PWM with dedicated time base, duty-cycle register, and dead-band control) reduces CPU overhead and CPU/MCU interrupt latency, allowing deterministic commutation and torque control for single-phase AC induction motors in white-goods and small-appliance designs. Typical applications include single-phase induction motor control (washing machines, fans, pumps, compressors), general-purpose 8-bit embedded control with ADC-driven sensor acquisition, low-cost HVAC appliance boards, and legacy industrial control replacements. The wide 5V operating range and mature PIC18 toolchain (MPLAB X, XC8, ICD headers) make it a drop-in choice for designs migrated from PIC16 to PIC18. When designing, choose the 'E' (Extended) temperature grade for industrial -40C to +125C operation, and pair with a 20 MHz external crystal or rely on the internal 8 MHz oscillator (with PLL). Power Control PWM outputs must use the dedicated module, not the standard CCP, to access the motor-control kernel features. This page synthesizes the manufacturer datasheet, current distributor pricing, structured drop-in alternatives from the same PIC18F family, and practical design notes not collected in any single vendor listing.

RFQ Liên hệ
PIC18F4539-I/ML - 8-bit MCU 24KB Flash 40MHz Motor Control | Microchip
PIC18F4539-I/ML

PIC18F4539-I/ML - 8-bit MCU 24KB Flash 40MHz Motor Control | Microchip

The Microchip Technology PIC18F4539-I/ML is an 8-bit enhanced Flash microcontroller with 24KB of program memory, 1408 bytes of RAM, and 256 bytes of EEPROM, integrated with a sophisticated single-phase induction motor control kernel. It operates at up to 40 MHz clock speed, supports 32 I/O lines, and is housed in a 44-pin QFN package (also referenced as TQFP-44 in some sources). The device features an internal 10-bit Analog-to-Digital converter, dual PWM modules, an ICD (In-Circuit Debugger) interface, and self-programming capability, all optimized for motor control and embedded control applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus, typically used in cost-sensitive and power-constrained embedded systems. The PIC18F family from Microchip uses an enhanced RISC architecture with 16-bit instruction words and Harvard bus structure, providing higher code density than 8-bit instruction architectures. Within the PIC hierarchy, the PIC18F4539 belongs to the motor-control subgroup and includes dedicated peripherals such as the Power Control PWM module and an integrated motor control kernel designed to offload real-time control tasks from the CPU. Key features include 24KB self-programming Flash program memory, 1408 bytes of SRAM, 256 bytes of EEPROM data memory, an internal 10-bit A/D converter with multiple channels, two PWM outputs with complementary or independent modes, a Universal Synchronous/Asynchronous Receiver/Transmitter (USART), Master Synchronous Serial Port (MSSP) supporting SPI and I2C, and nanoWatt Technology for reduced power consumption. The device supports supply voltages from 4.2V to 5.5V and operates across an industrial temperature range. The PIC18F4539 merges all the advantages of the PIC18F architecture with the flexibility of Flash memory and a sophisticated motor control kernel targeted for single-phase induction motor control. Its C-compiler-friendly instruction set and broad peripheral integration make it well suited for both motor-control loops and general-purpose embedded applications that require deterministic real-time response. Typical applications include single-phase induction motor drives, fan and pump controllers, small appliance motor control, white goods, and general-purpose embedded control platforms where deterministic PWM generation and ADC sampling are required. The integrated motor control kernel reduces firmware burden for variable-frequency drive implementations. When designing with this device, ensure that the ICSP/ICD programming pins are properly accessible for in-circuit debugging. The high-current PWM outputs require careful PCB layout to avoid noise coupling into analog signal paths, and decoupling capacitors should be placed as close as possible to VDD/VSS pairs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, helping engineers evaluate the PIC18F4539-I/ML for new designs and migration paths.

RFQ Liên hệ
PIC18F4539-I/PT - 8-Bit MCU 40MHz 24KB Flash 44-TQFP | Microchip
PIC18F4539-I/PT

PIC18F4539-I/PT - 8-Bit MCU 40MHz 24KB Flash 44-TQFP | Microchip

The Microchip Technology PIC18F4539-I/PT is an 8-bit RISC microcontroller in the PIC18F family, delivering 40 MHz performance with 24 KB (12K x 16) of enhanced flash program memory, 1408 bytes of RAM, and 256 bytes of EEPROM, all housed in a 44-pin TQFP (10x10 mm) industrial-grade package. Operating from 4.2 V to 5.5 V, the device features 36 digital I/O lines, an internal 10-bit analog-to-digital converter with eight input channels, two PWM modules, and a sophisticated motor control kernel specifically targeted at single-phase induction motor control applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, and a rich set of peripheral I/O into one package. The PIC18F family represents an 8-bit RISC Harvard-architecture line positioned above baseline PIC16F parts in performance, code density, and peripheral count, sitting in the mid-tier of Microchip's 8-bit portfolio, below the PIC24/dsPIC33 16-bit families. The PIC18F4539 merges these architectural advantages with FLASH self-programmability, in-circuit debugging via ICD, and nanoWatt power management, suiting both motor control and general-purpose embedded tasks. Key differentiating features include 32 interrupt sources, four timer modules, two capture/compare/PWM modules with motor-control enhancements, an enhanced USART, and an MSSP port that supports SPI and I2C. The 10-bit ADC offers eight channels that can pair with the integrated motor-control PWM to implement closed-loop speed or torque feedback. Hardware multiplier support and a 16-bit wide instruction path help C compilers generate efficient code, while the part retains the classic PIC RISC instruction set for assembly-level optimization. Typical applications include single-phase induction motor drives (fans, pumps, compressors), white-goods and appliance controllers, industrial automation subsystems, HVAC blower control, low-end BLDC gate-driver hosts, sensor conditioning front-ends, and general-purpose 8-bit embedded platforms. The combination of dedicated motor-control hardware and conventional MCU peripherals also makes it suitable as a glue controller for motor-driver ICs in ceiling fans and small industrial drives. When designing with the PIC18F4539-I/PT, allocate the analog supply current budget carefully because the ADC and motor-control analog front-end draw separately from the digital core; place a 0.1 µF decoupling capacitor as close as possible to each VDD/VSS pair, and provide an RC filter on the analog VDD pin when ADC SNR is critical for the chosen motor-control loop bandwidth.

RFQ Liên hệ
PIC18F4539T-E/ML - 24KB Flash 8-bit MCU with Motor Control | Microchip
PIC18F4539T-E/ML

PIC18F4539T-E/ML - 24KB Flash 8-bit MCU with Motor Control | Microchip

The Microchip Technology PIC18F4539T-E/ML is a 40 MHz, 8-bit Flash microcontroller with an integrated single-phase induction motor control kernel, housed in a 44-pin VQFN exposed-pad package. The device integrates 24 KB of program Flash, 1408 bytes of SRAM, 256 bytes of EEPROM, and a 12-bit A/D converter with up to 8 channels, making it tailored for motor control and precision mixed-signal embedded applications operating across 4.2 V to 5.5 V. What is a PIC18F microcontroller? The PIC18F is an 8-bit Harvard-architecture RISC microcontroller family from Microchip Technology, optimized for high-performance general purpose and dedicated control tasks. Within the broader taxonomy it sits as: PIC18F -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. The family extends legacy PIC16 designs with enhanced Flash, nanoWatt power management, CAN, USB, and motor-control peripherals, sharing instruction-set compatibility across hundreds of part numbers. Key features include a 10 MIPS performance at 40 MHz clock, hardware multiply and divide, two CCP/ECCP modules plus three timers, an integrated Power Control PWM (PCPWM) module specifically designed for single-phase induction motor commutation, and nanoWatt technology with multiple power-managed modes. The device supports MSSP (SPI/I2C), USART, 36 digital I/O lines, and ICSP in-circuit serial programming. The architecture combines a RISC core with DSP-style addressing modes and a dedicated motor-control coprocessor that off-loads phase-firing calculations from the CPU. The 12-bit ADC delivers 10 ksps with hardware acquisition, and the 8x8 hardware multiplier accelerates sensorless control loops. The wide operating range suits industrial and automotive temperature grades and 5 V-tolerant I/O. Typical applications include single-phase induction motor drives (washing machines, fans, pumps, small compressors), home appliances, HVAC actuators, white-goods control boards, and industrial sensor transmitters. The integrated PCPWM + 12-bit ADC + ECCP trio handles zero-cross detection, triac firing, and closed-loop speed regulation in a single chip. Design consideration: when migrating code from the PIC18F452 to this PIC18F4539, leverage the PIC18 instruction-set compatibility but re-map motor-control registers - the PCPWM peripheral is not present on standard PIC18F parts. Use the ICSP pins (RB6/RB7) for firmware updates in the field.

RFQ Liên hệ
PIC18F4539T-I/PT - 8-Bit 40MHz MCU 24KB Flash TQFP-44 | Microchip
PIC18F4539T-I/PT

PIC18F4539T-I/PT - 8-Bit 40MHz MCU 24KB Flash TQFP-44 | Microchip

The Microchip Technology PIC18F4539T-I/PT is an 8-bit PIC18F-series RISC microcontroller featuring 24KB of FLASH program memory (12K x 16 words), 1408 bytes of RAM, and a maximum clock speed of 40 MHz, housed in a 44-pin TQFP (10x10 mm) package. It integrates nanoWatt power management and a 12-bit A/D converter alongside a sophisticated motor control kernel targeted at single-phase induction motor control applications. Key features include 32 I/O pins, an integrated 12-bit A/D converter, nanoWatt Technology for low-power operation, and 28/40/44-pin Enhanced Flash Microcontrollers. The device operates from a supply voltage of 4.2V to 5.5V and supports the industrial temperature range of -40C to +85C. The PIC18F4539 series is designed for motor control and embedded applications where high computational performance is needed at economical cost. The PIC18F4539 utilizes an enhanced Harvard architecture with a C-optimized instruction set, providing up to 10 MIPS performance at 40 MHz. The integrated motor control kernel adds hardware support for single-phase induction motor control, including dedicated PWM and feedback paths, which would otherwise require external components or extensive CPU overhead. The 12-bit A/D converter provides analog input capability for sensor feedback and motor current monitoring. Typical applications include single-phase induction motor control, white-goods and appliance motor drives, sensor signal conditioning, embedded industrial control, and consumer appliance timing/control. The nanoWatt technology reduces active and sleep current consumption, enabling battery-backed or energy-efficient designs. With 32 I/O lines and ample program memory, the device can replace multiple discrete components in motor-driven embedded systems. When designing with this device, ensure decoupling capacitors (typically 0.1uF plus 10uF bulk) are placed close to VDD/AVDD pins. For motor control, follow Microchip application note guidelines for current sensing and back-EMF signal routing to minimize noise pickup. Programming is supported via MPLAB X IDE with the PICkit or ICD debug tools. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes for the PIC18F4539T-I/PT that are not found in the manufacturer datasheet alone, providing engineers with an engineer-grade purchasing and design reference.

RFQ Liên hệ
PIC18F4550-I/P - 48MHz 8-Bit USB Microcontroller | Microchip
PIC18F4550-I/P

PIC18F4550-I/P - 48MHz 8-Bit USB Microcontroller | Microchip

The Microchip Technology PIC18F4550-I/P is an 8-bit PIC18 enhanced-flash microcontroller with a 48 MHz operating frequency, 32 KB of program Flash memory, 2 KB of RAM, and a 40-pin through-hole DIP package. It is designed for embedded USB, serial connectivity, control, and low-power applications. The PIC18F4550 belongs to the PIC18 family of high-performance RISC microcontrollers. Its enhanced Flash memory supports in-circuit programming and applications that require firmware updates. The device combines USB connectivity with I2C, SPI capable of operation up to 10 Mbit/s, and an asynchronous EUSART/LIN-capable serial port, making it useful for connected industrial and consumer equipment. Key device characteristics include a 13-channel, 10-bit ADC, nanoWatt technology for reduced power consumption, and operation across an industrial temperature range described in the device documentation. The 40-pin DIP package is convenient for prototyping, educational platforms, through-hole assembly, and designs that require a socketed or leaded controller. PIC18F4550-I/P is appropriate for USB peripheral controllers, instrumentation, data acquisition modules, serial bridges, communications equipment, and low-power embedded systems. Its combination of USB, multiple serial interfaces, ADC capability, and conventional through-hole packaging provides a practical platform for standalone control products. For PCB design, follow the Microchip datasheet pin-description and package-drawing tables when assigning signals and laying out the board. The USB interface requires careful routing and the device datasheet should be consulted for clock, decoupling, input, and output requirements. The -I grade designation identifies the industrial-temperature version, while /P identifies the 40-pin DIP package. This product page combines the device's principal connectivity, memory, processing, and application information with practical guidance for PCB implementation, firmware integration, and comparison with same-package PIC18 options. The manufacturer datasheet remains the controlling reference for pin assignments, absolute maximum ratings, timing, and electrical characteristics.

RFQ Liên hệ
PIC18F4550-I/PT - 8-bit 32KB Flash USB MCU | Microchip
PIC18F4550-I/PT

PIC18F4550-I/PT - 8-bit 32KB Flash USB MCU | Microchip

The Microchip Technology PIC18F4550-I/PT is an 8-bit PIC18F-family microcontroller featuring an integrated Full-Speed USB 2.0 transceiver, 32 KB of Flash program memory, 2048 bytes of RAM, and a 256-byte EEPROM, housed in a 44-pin TQFP (PT) package rated for the industrial -40C to +85C temperature range. It executes instructions at up to 48 MHz (12 MIPS), integrates a 13-channel 10-bit ADC, three serial ports (USB, I2C/SPI up to 10 Mbit/s, and a LIN-capable EUSART), and provides nanoWatt power management for battery-aware applications. A PIC18F-series 8-bit microcontroller is part of the PIC microcontroller family from Microchip Technology - an 8-bit Harvard-architecture RISC MCU built around a small instruction set that allows single-cycle execution and predictable interrupt latency. The PIC18 line extends the PIC16 base with linear memory addressing, larger RAM/Flash, hardware multiplier, and C-friendly architecture, sitting between legacy PIC16 parts and the 16-bit dsPIC/PIC24 families. PIC18F parts with integrated USB are particularly common in low-cost embedded USB device designs where an external PHY is undesirable. Key features of the PIC18F4550 include: 32 KB self-programmable Flash, 2 KB SRAM, 256 B EEPROM, 13 channels of 10-bit ADC, two 8-bit timers plus three 16-bit timers, two capture/compare/PWM modules, an enhanced USART with LIN support, an MSSP module that can operate in I2C or SPI mode, an on-chip Full-Speed USB 2.0 device/host/OTG transceiver, and nanoWatt sleep/idle modes that drop current consumption into the microampere range. The device uses a 16-bit instruction word with an 8-bit data path, a hardware multiply (8x8 in one cycle), an 8-level hardware stack, and a priority-vectored interrupt controller. The integrated USB SIE handles endpoint management without CPU intervention, leaving the application CPU free to handle class-level stacks such as HID, CDC, or vendor-class. Code protection and an ICD/ICSP debug interface are standard on the silicon. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), CDC virtual COM port bridges, USB-to-UART converter dongles, low-cost data loggers, educational microcontroller boards, and industrial sensor interfaces where LIN/EUSART connectivity is required. The industrial -40C to +85C temperature grade also suits outdoor or factory-floor deployments. When designing with the PIC18F4550-I/PT, ensure the USB bus pins (D+/D-) have a 90 ohm differential impedance to the connector, place the 470 nF VUSB bypass capacitor within 5 mm of the VUSB pin, and tie the VBUS sense pin to the 5 V from the host when bus-powered. The 48 MHz system clock requires a 20 MHz crystal on OSC1/OSC2 with the PLL configured in software; USB Full-Speed compliance requires this exact 48 MHz clock. This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip's own migration guides, and practical design notes not found in the manufacturer datasheet alone.

USD $4,95 Còn hàng