Mikrokontroler

Produk (20.000+)

W78I054DFG - 8-Bit 40MHz 8052 MCU | Nuvoton
W78I054DFG

W78I054DFG - 8-Bit 40MHz 8052 MCU | Nuvoton

Nuvoton Technology Corporation W78I054DFG is an 8-bit W78-series microcontroller based on the 8052 architecture, operating at up to 40 MHz with 16 KB of flash memory in a 44-pin PQFP package. Its stated operating-voltage range is 2.4 V to 5.5 V, and distributor listings identify the device as Pb-free with an operating temperature range of -40°C to +85°C. The reported 256-byte memory figure and 8-bit processing architecture place it in the classic 8051/8052 control category. An 8-bit 8052-compatible microcontroller is a semiconductor that combines a small CPU core, program flash, data memory, timers, serial interfaces, and I/O in one integrated device. In the product hierarchy, the W78I054DFG is a microcontroller, or MCU, within integrated circuits and embedded processing. It is intended for compact control systems where 8-bit computation, deterministic peripheral access, and a 5 V-class supply are more useful than high bandwidth or 32-bit processing. Key features visible in the verified distributor data include a 40 MHz maximum clock, 16 KB flash memory, 256 bytes of memory, 2.4 V to 5.5 V operation, and a 44-pin PQFP package. Pb-free construction is also stated. These characteristics make the device suitable for industrial control, appliance control, instrumentation interfaces, and legacy-compatible embedded products. Conflicting distributor snippets report either 16 KB or 32 KB flash, so engineers should confirm the density and memory map against the exact Nuvoton datasheet before production release. The W78-series architecture follows the established 8052 instruction-set framework while providing a modern integrated implementation in the W78I054DFG. At 40 MHz, the MCU can service multiple timers, serial communication tasks, and discrete I/O operations within one compact device. Its 44-pin PQFP format provides substantially more I/O than an 8-pin package, supporting applications that require multiple digital inputs, outputs, interrupt signals, and communication interfaces. Typical application areas include industrial machine controllers, measurement instruments, temperature-control panels, serial data collectors, programmable logic controllers, and compact appliance controllers. In these systems, the MCU can execute a control loop, scan inputs, drive outputs, communicate with sensors, and enforce timing using its integrated peripherals. The 2.4 V to 5.5 V range supports 3.3 V and 5 V system rails when peripheral levels and timing requirements are compatible. Designers should confirm memory size, pin multiplexing, clock configuration, peripheral availability, and electrical limits directly from the manufacturer datasheet before layout is frozen. A 44-pin PQFP requires adequate board area, fine-pitch assembly capability, and careful decoupling. Firmware migration should also account for peripheral differences between the original W78I054 and any replacement candidate rather than relying only on matching package names.

Permintaan RFG Kontak
W78I054DPG - 8-Bit 40MHz 16KB Flash Microcontroller | Nuvoton
W78I054DPG

W78I054DPG - 8-Bit 40MHz 16KB Flash Microcontroller | Nuvoton

Nuvoton Technology Corporation W78I054DPG is an 8-bit 8052-compatible W78 microcontroller with 16KB of Flash program memory, a 40MHz maximum operating frequency, and a 44-pin PLCC package. The device is positioned for embedded control applications requiring compact code storage, high-speed instruction execution, and a conventional microcontroller architecture. According to the distributor product data, the W78I054DPG is identified as an 8052 W78 microcontroller with 16K x 8 Flash memory, making it suitable for appliance controllers, industrial equipment, data acquisition modules, and legacy-compatible control systems. The W78 family belongs to the broader embedded-controller hierarchy: 8-bit microcontroller, microprocessor, semiconductor, and integrated circuit. Its 8052-compatible instruction set supports the familiar combination of internal Flash program memory, I/O ports, timers, serial communication, interrupt control, and clocked peripherals. This architecture is valuable when an existing firmware toolchain or application was developed for the W78/8052 ecosystem and does not require the processing capability of a 32-bit MCU. Verified distributor listings identify the device as an 8-bit microcontroller with 16KB of Flash memory and a maximum clock frequency of 40MHz. The Mouser listing additionally reports a 2.4V to 5.5V operating voltage range, Pb-free status, and an operating temperature range of -40°C to 85°C. These characteristics support designs using standard 5V logic systems as well as applications operating from compatible low-voltage rails, subject to the complete manufacturer datasheet for timing, electrical limits, and peripheral details. The PG package suffix denotes the 44-pin PLCC configuration in the verified distributor descriptions. PLCC packaging provides a leaded, socket-compatible format that is useful where a production socket is preferred, rework is less frequent, or the device is assembled into leaded through-hole industrial hardware. The package is not interchangeable with a fine-pitch QFP or a leadless package without a PCB footprint change. Typical uses include industrial machinery, motor and appliance control, instrumentation, keyboard or panel interfaces, LED signage, and small standalone embedded systems. For a new design, confirm the exact peripheral configuration, interrupt vector behavior, oscillator options, I/O limits, timing characteristics, and electrical operating limits from the manufacturer documentation before releasing production firmware. This product record combines verified distributor specifications, package information, sourcing context, and practical selection guidance. Where the supplied sources do not expose detailed pin assignments, memory maps, pricing, or lifecycle declarations, those fields are identified as data needed rather than inferred. The result is intended as an engineering-oriented procurement and design reference rather than a substitute for the complete manufacturer datasheet.

Permintaan RFG Kontak
W78IRD2A25PL - 25MHz 8-Bit Flash MCU | Nuvoton
W78IRD2A25PL

W78IRD2A25PL - 25MHz 8-Bit Flash MCU | Nuvoton

The Nuvoton Technology Corporation W78IRD2A25PL is an 8-bit 80C52-compatible microcontroller with a 25 MHz clock, 64 KB of internal Flash program memory and 1.25 KB of RAM in a 44-pin PLCC package. It operates across a 2.7 V to 5.5 V supply range and provides 36 I/O lines, making it suitable for embedded control, industrial interface and legacy-compatible system designs. An 8-bit microcontroller is a compact processor and integrated control device built around an 8-bit data bus. The W78IRD2 belongs to the broader hierarchy of embedded MCU, microprocessor, integrated circuit and semiconductor products. Its 80C52-compatible instruction set and pin arrangement allow engineers to reuse software and board-design practices developed for the standard 80C52 while gaining in-system Flash program update capability. The W78IRD2 contains a 64 KB Flash EPROM and an auxiliary 4 KB Flash boot block. A loader program can update the main program memory in-system, supporting firmware upgrades and production programming. The device also includes a Programmable Counter Array, identified by Mouser as PCA, and two software-selectable power-reduction modes: idle mode, which stops the processor clock while peripherals continue operating, and power-down mode, which stops the crystal oscillator for minimum power consumption. The architecture is organized around an 8-bit CPU operating at up to 25 MHz. Its 64K by 8 Flash organization provides substantially more program space than many basic 8051 controllers, while the 1.25K by 8 RAM area supports working variables, stack operations and buffered data. The 36 I/O pins give the device useful parallel-interface capacity for control signals, status indicators, communications and external peripheral connections. Typical uses include industrial controllers, data-acquisition equipment, keypad interfaces, motor and relay control, legacy 80C52 equipment upgrades and compact embedded platforms. In-system Flash updating is especially useful for field-programmable industrial systems where firmware revisions are required without replacing the microcontroller. When laying out the PCB, use the 44-pin PLCC footprint and verify every signal against the manufacturer pin description table. Place decoupling capacitors close to the power pins and route the oscillator network to minimize pickup. Confirm the external memory, reset and interrupt requirements for the complete design before committing the board layout. This product page consolidates the core electrical specifications, package information, functional constraints, application guidance and verified sourcing references for the W78IRD2A25PL. It also distinguishes documented device characteristics from features that require board-level or firmware validation before production release.

Permintaan RFG Kontak
W78L032A24DL - 24MHz 8-Bit ROMless MCU | Nuvoton
W78L032A24DL

W78L032A24DL - 24MHz 8-Bit ROMless MCU | Nuvoton

The Nuvoton Technology Corporation W78L032A24DL is an 8-bit ROMless microcontroller operating at up to 24 MHz, with 256 x 8 bits of RAM, 32 I/O pins, an internal oscillator, and a 40-pin DIP package. It is associated with the W78 family and the industry-standard 80C32 microcontroller architecture, making it relevant to legacy embedded-control designs and modern systems that retain an 80C32-compatible interface. An 8-bit microcontroller is a compact embedded-control IC containing a central processing unit, memory interfaces, digital I/O, timers, and communication peripherals on one package. The W78L032A24DL belongs to the broader hierarchy of microprocessor, microcontroller, embedded processor, and semiconductor. Unlike devices with embedded program flash, its ROMless architecture requires an external program-memory implementation, which can provide flexible code storage, memory upgrades, or shared access to external nonvolatile memory. The primary verified characteristics are a 24 MHz operating speed, 256 x 8-bit RAM, 32 I/O pins, an internal oscillator, and operation from a 1.8 V to 5.5 V supply range. These attributes suit controllers that require deterministic digital control, compact I/O connectivity, and compatibility with an established 80C32 programming model. Its 40-pin DIP package also supports through-hole prototyping, repairable assemblies, and legacy industrial control boards that depend on socketed or perforated-grid layouts. The W78L032A24DL uses a 1.8 V to 5.5 V supply range and incorporates 256 bytes of internal RAM. Because the device is ROMless, the external memory interface and system-level bus layout are central to the final design. Designers should account for external address and data-line timing, required memory-select behavior, and the loading introduced by attached memory when assigning the 32 available I/O pins. Typical applications include industrial equipment controllers, legacy 80C32-compatible instruments, appliance control boards, simple data-acquisition systems, and embedded products that require external nonvolatile program memory. In these systems, the 24 MHz operating rate supports responsive sequential control, while the 32 I/O pins can connect sensors, switches, displays, relays, and external bus devices. The DIP package is especially convenient where existing PCB footprints dominate over minimum board area. The principal design consideration is that ROMless operation requires careful external-memory implementation and initialization. Designers must also verify peripheral availability, interrupt assignments, and timing behavior against the complete manufacturer documentation because the supplied search excerpts do not expose a complete register map or full pin-level description. Supply planning should include the exact suffix and package rather than relying only on the W78L032A family name. This page consolidates verified distributor findings, package and memory characteristics, lifecycle-relevant ordering information, and application guidance for the W78L032A24DL. It also clearly separates confirmed specifications from unresolved details, helping engineers evaluate the ROMless 8-bit MCU without converting incomplete distributor metadata into unsupported technical claims.

Permintaan RFG Kontak
W78L032A24FL - 8-Bit 24MHz ROMless MCU | Nuvoton
W78L032A24FL

W78L032A24FL - 8-Bit 24MHz ROMless MCU | Nuvoton

The Nuvoton Technology Corporation W78L032A24FL is an 8-bit ROMless microcontroller operating up to 24 MHz with a 1.8 V to 5.5 V supply range, housed in a 44-pin BQFP package. It provides 256 x 8 bits of RAM and 32 general-purpose I/O pins. The part is based on the Winbond W78 Microcontroller architecture and is identified by distributor listings as the 80C32 W78 microcontroller family. A microcontroller is a compact embedded-processing system that integrates a CPU core, memory, peripherals, and I/O into one semiconductor package. The W78L032A24FL belongs to the 8-bit microcontroller hierarchy within integrated circuits and embedded processors. Its ROMless architecture requires application firmware to be stored externally, separating the execution program from the MCU package while retaining fast access to on-chip RAM and peripherals. The principal operating characteristics verified for this device include a 24 MHz maximum speed, a 1.8 V to 5.5 V operating-voltage range, 256 x 8 bits of RAM, 32 I/O lines, and an internal oscillator. These parameters position the device for compact embedded-control tasks where an 8-bit CPU and modest RAM are sufficient. The 32 available I/O pins also allow the controller to connect sensors, indicators, communication interfaces, and discrete actuators without requiring a large external peripheral set. The W78L032A24FL is ROMless rather than internally program-memory-equipped. Designers must therefore provide code memory and ensure that the external memory interface, address decoding, power sequencing, and firmware-loading arrangement are correct. Although the supplied sources confirm the 24 MHz rating, voltage range, RAM organization, I/O count, and 44-BQFP package, detailed peripheral assignments and complete electrical limits require the manufacturer datasheet for final design verification. Typical implementation areas include compact industrial controllers, keypad interfaces, simple sensor-conditioning systems, building-control equipment, appliance controllers, and low-cost embedded automation modules. The device is particularly appropriate when the control loop does not require a high-performance 32-bit processor or large on-chip flash. Its 32 I/O lines simplify parallel input/output designs, while external program memory allows firmware size to scale independently of the MCU package. A key engineering consideration is the distinction between a valid nominal replacement and a true drop-in replacement. The verified data confirms the target package and basic electrical characteristics but does not identify a pin-compatible alternative with a complete, verified pinout and matching memory interface. Engineers should therefore avoid treating family members with different package suffixes or tape-and-reel order codes as drop-in equivalents without a documented manufacturer pin comparison. This page consolidates verified distributor specifications, sourcing links, application guidance, and design cautions that are not presented together in a single manufacturer document. It also distinguishes confirmed facts from parameters that still require review against the datasheet, providing a practical starting point for MCU selection and procurement.

Permintaan RFG Kontak
W78L032A24PL - 8-Bit ROMless 24MHz Microcontroller | Nuvoton
W78L032A24PL

W78L032A24PL - 8-Bit ROMless 24MHz Microcontroller | Nuvoton

The Nuvoton W78L032A24PL is an 8-bit ROMless W78-series microcontroller operating at 24 MHz, with 256 x 8 RAM, 32 I/O pins, and a 44-pin PLCC package. The device is designed for embedded control applications that require external program memory, parallel digital interfaces, timers, serial communication, and interrupt-driven control. Its architecture is based on the 80C32/W78 family and supports four 8-bit bidirectional parallel ports, three 16-bit timer/counters, a serial port, and a six-source, two-level interrupt structure. The W78L032A24PL is a ROMless microcontroller, meaning application firmware must be stored in external memory. This architecture can be useful in low-cost systems, industrial controllers, appliances, instrumentation, and legacy-compatible embedded platforms where a dedicated external ROM or Flash memory is acceptable. The 24 MHz operating speed supports more responsive control loops than slower 8-bit designs, while the 256-byte internal RAM provides working memory for variables, stack operations, and peripheral data handling. The 32 available I/O lines make the device suitable for products that require multiple digital inputs and outputs, such as keypads, indicators, relays, displays, sensors, and communication transceivers. The 44-pin PLCC package provides a leaded surface-mount format with a defined J-lead footprint and adequate board spacing for inspection and rework. The package designation indicates the PLCC configuration, while the exact pin assignment and electrical limits should be confirmed against the manufacturer datasheet before layout or firmware development. The internal peripheral set includes three 16-bit timer/counters, which can support timing, counting, pulse measurement, and periodic service functions. A serial port adds a basic serial communication resource, and the two-level, six-source interrupt capability allows multiple internal events to be prioritized. These resources make the W78L032A24PL appropriate for embedded control logic that is more parallel and timer-oriented than a minimal modern 8-bit MCU. Because the W78L032A24PL is ROMless, the system designer must provide external program memory and ensure that the memory interface, address decoding, timing, and reset behavior are correctly implemented. Firmware development also depends on the supported toolchain and device-specific interrupt and peripheral definitions. Use the manufacturer datasheet for the complete pin description, electrical characteristics, external-memory requirements, timing diagrams, and recommended application circuit. This page combines the verified device identity and electrical highlights with practical replacement and design guidance. It focuses on the W78L032A24PL as a 44-pin, 24 MHz, ROMless 8-bit microcontroller rather than a generic 8-bit controller, allowing engineers to compare packaging, memory architecture, peripheral availability, and sourcing constraints before committing to a PCB design.

Permintaan RFG Kontak
W78L365A24DL - 24MHz 8052 64KB Flash MCU | Nuvoton
W78L365A24DL

W78L365A24DL - 24MHz 8052 64KB Flash MCU | Nuvoton

Nuvoton Technology Corporation W78L365A24DL is an 8-bit 8052-compatible microcontroller operating up to 24 MHz, with 64 KB of flash program memory, a 4 KB boot block, and 1.25 KB of RAM in a 40-DIP package. Its operating-voltage range is 2.4 V to 4.5 V, and it provides 32 general-purpose I/O pins for embedded control applications. An 8-bit microcontroller is a compact digital controller that executes programmed instructions from nonvolatile flash memory and transfers intermediate data into static RAM. Within the product hierarchy, this device is an embedded MCU, an 8-bit microprocessor, and a member of the 8051/8052-compatible microcontroller family. Its combination of flash memory, parallel I/O, and a 40-pin through-hole package suits legacy-compatible controller boards, industrial equipment, and educational platforms. The W78L365A24DL offers 64 KB (64K x 8) of flash program memory, including a 4 KB boot block identified in the product specifications. It also includes 1,024 bytes of general RAM plus a 256-byte RAM area, giving a combined listed RAM capacity of 1.25 KB. The 32 I/O pins provide a practical interface count for digital inputs, outputs, control signals, and external peripherals without requiring a high-pin-count surface-mount package. Operation is specified at up to 24 MHz across a 2.4 V to 4.5 V supply range. These figures make the MCU appropriate for compact embedded systems that use a 3.3 V rail and require more computational headroom than a conventional 8051-class controller operating at lower clock rates. The 40-DIP mechanical format also simplifies prototype construction, socketed assemblies, and manual rework compared with fine-pitch packages. Typical uses include industrial control modules, data-acquisition equipment, appliance controllers, instrumentation, communication modules, and educational embedded-system platforms. The 32 available I/O pins are particularly useful for systems combining switches, indicator outputs, relays, displays, and serial-interface peripherals. The 64 KB flash area can accommodate a larger firmware image than smaller legacy controllers while retaining compatibility-oriented hardware organization. When laying out a board, preserve the 40-DIP footprint and verify every signal assignment against the manufacturer pin-description table. Provide a stable supply within 2.4 V to 4.5 V, and choose oscillator, reset, and decoupling components using the circuit requirements in the manufacturer documentation. Because this is a through-hole microcontroller, pay particular attention to socket orientation, pin-1 identification, and adequate clearance around adjacent components. This page combines the core electrical, memory, packaging, and I/O characteristics with application guidance, sourcing questions, and drop-in replacement criteria. It also separates verified device facts from engineering checks that require the complete manufacturer pinout and circuit documentation before PCB release.

Permintaan RFG Kontak
W78L365A24FL - 24MHz 8-Bit 64KB MCU | Nuvoton | 44-LQFP
W78L365A24FL

W78L365A24FL - 24MHz 8-Bit 64KB MCU | Nuvoton | 44-LQFP

The Nuvoton Technology Corporation W78L365A24FL is an 8-bit 8052-compatible microcontroller with a 24 MHz operating speed, 64 KB of flash program memory, 1.25 KB of RAM, and 36 I/O pins in a 44-pin BQFP package. It operates from 2.4 V to 4.5 V and includes a dedicated 4 KB boot block for firmware updating. An 8-bit microcontroller is a programmable control IC that executes firmware from embedded program memory and reads inputs from sensors, switches, communication interfaces, and human-interface circuits. The W78L365A24FL belongs to the W78 family and uses a standard 8052-compatible instruction set, placing it within the hierarchy of 8-bit MCU, embedded controller, integrated circuit, and semiconductor. Key features include 64 KB of in-system programmable flash for firmware storage, a 4 KB boot block for application loading, 1,024 bytes of general-purpose RAM plus 256 bytes of additional RAM, 36 I/O pins, and a maximum clock frequency of 24 MHz. The 2.4 V to 4.5 V operating range supports low-voltage embedded systems, while the Pb-free package designation identifies lead-free assembly. The W78L365A family architecture separates the main 64 KB program area from the auxiliary 4 KB boot area. A loader program can use the boot block to update the main program memory, making the device suitable for products requiring field firmware upgrades. Its 8052-compatible instruction set supports established 8051/8052 development methods, while the additional RAM and I/O capacity provide more working space than basic entry-level 8051 devices. Typical applications include industrial control panels, appliance controllers, building equipment, data-collection terminals, communication modules, and compact embedded products. The combination of 36 I/O pins, a 24 MHz clock, and bootloader-supported flash is useful when a controller must combine multiple digital interfaces with in-system firmware maintenance. When designing around the W78L365A24FL, confirm that the 44-BQFP land pattern and exposed programming interface match the PCB design. Follow the manufacturer datasheet for oscillator, reset, memory programming, decoupling, and pin-assignment requirements; the 2.4 V minimum operating voltage must also be respected throughout power-up and brownout conditions. This product page combines core device specifications, verified package information, bootloader considerations, practical application guidance, and same-family replacement analysis. It is designed to help engineers evaluate firmware compatibility, PCB footprint reuse, operating-voltage constraints, and upgrade requirements before selecting the W78L365A24FL for an embedded design.

Permintaan RFG Kontak
W78L365A24PL - 8-Bit 24MHz 64KB MCU | Nuvoton | PLCC-44
W78L365A24PL

W78L365A24PL - 8-Bit 24MHz 64KB MCU | Nuvoton | PLCC-44

Nuvoton Technology Corporation W78L365A24PL is an 8-bit W78 8052-compatible microcontroller with a 24 MHz operating frequency, 64 KB of flash program memory, and a 44-pin PLCC package. It provides 36 I/O pins and 1.25K x 8 bits of RAM, making it suitable for embedded control systems requiring substantial flash storage, moderate I/O density, and a compact leaded-chip carrier footprint. A microcontroller is a programmable integrated circuit that combines a CPU core, memory, timers, serial interfaces, and I/O ports on one device. The W78 family belongs to the broader 8-bit embedded-controller hierarchy, where an instruction-compatible architecture can support legacy 8052 designs while flash memory simplifies firmware updating. The W78L365A24PL is intended for appliances, industrial controllers, instrumentation, and other systems that need deterministic embedded control rather than application-processing performance. The principal device parameters are a 24 MHz clock, 64 KB of flash program memory, 1.25K x 8 bits of RAM, and 36 I/O lines. The suffix identifies the 24 MHz configuration, while the PL package designation identifies the leaded PLCC implementation. Program storage supports firmware of up to 64K x 8 bits, and the 36 available I/O pins permit connections to sensors, switches, displays, actuators, and communication peripherals. The W78 8052-compatible core provides a familiar programming model for engineers maintaining or adapting existing 8051-family equipment. Flash-based program memory can simplify field updates because the firmware can be reprogrammed without replacing the device. Exact instruction-set extensions, interrupt-vector details, timer resources, oscillator options, electrical limits, and temperature ratings should be confirmed in the manufacturer datasheet before a new production design is released. Typical applications include appliance control panels, small industrial controllers, data-acquisition modules, keypad interfaces, LED indicators, motor-control supervisory logic, and embedded instrumentation. The 36 I/O count is especially useful when a design must connect multiple discrete inputs and outputs while retaining a single compact controller package. For designs requiring greater processing speed, memory density, or low-power features, the available silicon should be compared against the system timing and peripheral requirements. PCB planning should account for the PLCC package's J-lead geometry, solder-joint access, and thermal cycling requirements. Confirm the land pattern, pin-1 orientation, exposed-pad arrangement, and recommended reflow profile against the official package drawing. Do not assign signals to the 44 package positions until the complete pin description table has been checked because the visible web results do not provide a verifiable pin-by-pin map. This product page consolidates the identified device specifications, sourcing information, engineering guidance, and strict drop-in replacement analysis. It also distinguishes confirmed electrical facts from parameters that still require direct confirmation from the manufacturer documentation before schematic release, PCB layout, or firmware transfer.

Permintaan RFG Kontak
W78L516A24PL - 24MHz 8-bit 8052 MCU 64KB Flash | Nuvoton
W78L516A24PL

W78L516A24PL - 24MHz 8-bit 8052 MCU 64KB Flash | Nuvoton

The Nuvoton (formerly Winbond) W78L516A24PL is an 8-bit 8052-compatible microcontroller built around an in-system programmable Flash EPROM architecture, operating at up to 24 MHz with 64 KB of main Flash program memory housed in a 44-pin PLCC package. The part integrates a 4 KB auxiliary Flash loader region that can rewrite the 64 KB main Flash, enabling field firmware updates without an external programmer. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory, RAM, and peripheral I/O on one die. The W78L516 belongs to the 8051/8052 family - one of the most widely deployed microcontroller architectures globally - and falls within the broader categories of embedded controller, microprocessor, and semiconductor IC. The 8052 instruction set is fully upward-compatible with the original 8051, giving the W78L516 access to a vast ecosystem of compilers, debuggers, and reference code. Key features include 64 KB main Flash plus 4 KB loader Flash, 256 bytes of on-chip RAM, four 8-bit I/O ports, three 16-bit timers/counters, a full-duplex UART, and a six-source interrupt controller. The Flash supports in-application programming via the on-chip loader, removing the need for an external ROM or EPROM. The device operates from a 2.4 V to 5.5 V supply and supports commercial and industrial temperature grades per the W78L516 datasheet. Architecture-wise, the W78L516 uses the standard 8052 machine cycle (12 oscillator clocks per cycle), giving roughly 2 MIPS at the 24 MHz maximum. The dual-Flash layout (main + loader) is the key differentiator over single-Flash 8051 parts, because it lets firmware rewrite itself - a useful capability for remote sensor nodes, industrial controllers, and consumer appliances that may need in-field patches. Typical applications include industrial control boards, smart sensors, motor-control front-ends, security alarm panels, consumer appliances, and legacy 8051 firmware migration projects. Designers commonly pair the W78L516 with Nuvoton W27C512 EEPROMs or low-dropout regulators such as the LM1117. When designing, evaluate whether the 12-clock 8052 core delivers enough throughput; if not, consider an enhanced 8051 such as the Nuvoton N76E003 or a 32-bit MCU. Confirm Flash endurance and retention figures against the application's write-cycle budget, and budget for the loader region in code-size calculations.

Permintaan RFG Kontak
W78L801A24DL - 8-bit 8051 24MHz 40-DIP | Winbond
W78L801A24DL

W78L801A24DL - 8-bit 8051 24MHz 40-DIP | Winbond

The Winbond Electronics W78L801A24DL is an 8-bit 8051-compatible microcontroller with 4KB of mask ROM, 256 bytes of RAM, 32 I/O pins, a 24MHz clock rating, and a 40-pin DIP package. Its core role is compact embedded control for cost-sensitive products that require reliable logic execution, serial communication, timing, and discrete I/O handling without a large flash-memory footprint. A microcontroller is a semiconductor device that integrates a CPU core, program memory, data memory, I/O ports, timers, and communication peripherals into one integrated circuit. The W78L801A24DL belongs to the 8-bit MCU family and uses an 8051-compatible instruction set, making it suitable for legacy-compatible control logic, compact instrumentation, appliance interfaces, and small embedded systems. Its mask-programmed ROM is appropriate for high-volume products where firmware is fixed during manufacturing. The principal device characteristics include 4KB of program memory organized as 4K x 8, 256 x 8 bits of RAM, 32 I/O lines, and operation up to 24MHz. The device is identified in the 40-DIP package, providing through-hole assembly compatibility and straightforward prototyping. The W78L801 family also supports software-selectable idle and power-down operating modes. In idle mode, processor clock operation stops while selected peripheral functions can continue; power-down mode stops the crystal oscillator for lower power consumption. The W78L801A24DL is appropriate for controllers that need a modest code space and deterministic peripheral handling rather than high-volume flash storage, complex operating systems, or high-speed connectivity. Its 8051-compatible architecture can simplify migration from older 8051 designs. The 24MHz upper speed rating supports faster instruction throughput than many traditional 8-bit designs, although real timing must be checked against the operating voltage and device-specific limits. Typical implementations include small appliance controllers, sensor-interface modules, industrial control panels, lighting-control boards, simple serial-interface equipment, and legacy peripheral controllers. The 32 available I/O lines provide useful connectivity for buttons, indicators, relays, displays, and external logic, while on-chip timers and communication functions reduce the need for additional support components. Design with the 40-pin footprint on the PCB and follow the manufacturer pin-description table when assigning signals. Decoupling must be placed close to the supply pins, oscillator components must follow the recommended layout, and unused inputs should be configured to avoid unintended current or state transitions. The fixed mask ROM also means firmware changes normally require a different programming arrangement or a device revision, making definition-time software locking essential. This page combines the core electrical and packaging characteristics, practical integration guidance, application fit, and replacement constraints. It also distinguishes the W78L801A24DL from merely similar 8051-class devices, because equal package size and clock rating alone do not establish pin-to-pin compatibility.

Permintaan RFG Kontak
W78L801A24FL - 8-Bit 24MHz 44-Pin Microcontroller | Nuvoton
W78L801A24FL

W78L801A24FL - 8-Bit 24MHz 44-Pin Microcontroller | Nuvoton

Nuvoton W78L801A24FL is an 8-bit 8051-compatible microcontroller rated for operation from 1.8 V to 5.5 V, with a 24 MHz clock and 4 KB of MROM in a 44-pin QFP package. The W78L801A24FL is positioned for compact embedded-control designs that require a conventional 8051 architecture, low-voltage operation, and a moderate pin count. An 8051 microcontroller is a small, instruction-set-oriented embedded controller used to supervise sensors, switches, displays, communication peripherals, and actuator logic. The 8051 family combines a CPU core, program memory, data memory, timers, serial interfaces, and GPIO functions in one integrated circuit. Because the W78L801A24FL belongs to this established embedded-control category, it is useful for designs that value compact instruction execution, deterministic peripheral control, and broad software familiarity. The device is identified as an 8-bit MCU with 4 KB MROM and a maximum clock frequency of 24 MHz. Its stated operating voltage range of 1.8 V to 5.5 V supports both low-voltage and conventional 5 V system rails. One distributor listing also identifies the family as 51-series, reinforcing its 8051-compatible positioning. The package is specified as QFP-44 in a 10 mm by 10 mm surface-mount format, while another listing describes the package as 44-BQFP. Typical embedded uses include appliance controls, small industrial modules, keypads, LED indicators, sensor-conditioning front ends, programmable logic controllers, and compact consumer products. The 24 MHz operating rate supports timing-intensive control tasks, while the 8-bit architecture is most appropriate when the application is dominated by GPIO, timers, serial communication, and simple state-machine control rather than intensive arithmetic or large graphical interfaces. When laying out a W78L801A24FL board, use the manufacturer pin description table to assign every signal and preserve the exposed-pad, power, ground, clock, reset, and programming connections. Confirm the oscillator frequency, decoupling requirements, and programming interface against the manufacturer datasheet before releasing the PCB. This page combines the available device characteristics with practical application guidance, package information, sourcing support, and an honest comparison framework for engineers evaluating this 8051-family MCU.

Permintaan RFG Kontak
W78L801A24LL 8-Bit 8051 MCU, 4KB ROM, 48-LQFP | Nuvoton
W78L801A24LL

W78L801A24LL 8-Bit 8051 MCU, 4KB ROM, 48-LQFP | Nuvoton

The Nuvoton W78L801A24LL is an 8-bit 8051-family microcontroller with 4KB of mask ROM, a 48-pin LQFP package measuring 7 mm by 7 mm, and an operating voltage range listed as 2.5 V, 3.3 V, or 5 V. It is designed for compact embedded-control designs that require a conventional 8051 architecture, low pin count, and direct peripheral integration rather than a high-performance application processor. A microcontroller is a semiconductor device that integrates a CPU core, program memory, data memory, I/O ports, and peripherals into one package. The W78L801A24LL belongs to the 8051 microcontroller family, which is a CISC-based embedded-processing platform used in appliances, industrial controllers, access equipment, meters, and small automation systems. Its 4KB mask ROM provides a fixed program area for embedded control logic, while the 48-pin LQFP provides a substantial number of external signal connections for digital interfaces and control functions. The key identifiable specifications are the 8-bit CPU architecture, 4KB MROM, 48-pin LQFP package, and 2.5 V, 3.3 V, or 5 V supply options. A distributor listing also identifies the device as an active Nuvoton part and classifies it as a QFP-48 package. The product is associated with an operating-frequency entry of 24 MHz in one listing and 20 MHz in another; the applicable maximum clock for the exact ordering code must therefore be confirmed against the manufacturer datasheet before clock-tree or timing design is finalized. Typical embedded uses include keypad-controlled industrial panels, compact appliance controllers, fan and pump sequencers, digital instrumentation, LED status and drive systems, and small peripheral-control boards. The 8051 instruction set is appropriate when the application favors a mature software ecosystem and deterministic peripheral control over a larger CPU core, larger RAM, high-speed connectivity, or extensive analog conversion resources. Design planning should begin with the manufacturer pin-description table, oscillator requirements, reset behavior, I/O ratings, and memory map. Confirm the exact clock limit, RAM capacity, peripheral set, input thresholds, and output-drive limits before finalizing the schematic. A 48-pin LQFP also requires a land pattern that matches the manufacturer's package drawing, including exposed-pad and thermal-copper requirements where applicable. This product page consolidates the verified package, memory, architecture, supply-voltage, lifecycle, and sourcing information into an engineering-oriented reference. It also distinguishes confirmed device attributes from parameters that require direct datasheet verification and avoids presenting generic cross-reference listings as guaranteed drop-in replacements.

Permintaan RFG Kontak
W78L801A24PL - 24MHz 8-Bit 8051 MCU with 4KB ROM | Nuvoton
W78L801A24PL

W78L801A24PL - 24MHz 8-Bit 8051 MCU with 4KB ROM | Nuvoton

Nuvoton Technology Corporation W78L801A24PL is an 8-bit 8051-compatible microcontroller with a 24 MHz clock, 4 KB mask ROM organized as 4K x 8 bits, and a 44-LCC J-lead package. Its operating voltage range is 1.8 V to 5.5 V, making it suitable for embedded control, monitoring, and compact industrial or consumer systems. The device also provides 256 bytes of data memory and software-selectable idle and power-down operating modes for reduced power consumption. An 8-bit microcontroller is a programmable semiconductor that integrates a processor core, program memory, data memory, and peripherals into one device. The W78L801 belongs to the 8051 family, a widely used embedded-control architecture also known as an MCS-51 microcontroller. Its 4 KB mask ROM stores the fixed firmware program, while its 256-byte RAM supports variables, stack operations, and intermediate working data. Applications generally center on sequential control logic, sensor acquisition, keypad or display control, and communication interfaces. The principal operating characteristics include a maximum clock frequency of 24 MHz, an 8-bit processing architecture, 4 KB of mask-programmable ROM, and a 1.8 V to 5.5 V supply range. Two software-controlled power modes help conserve energy. Idle mode stops the processor clock while allowing supported peripheral operations to continue, whereas power-down mode stops the crystal oscillator for minimum power consumption. The external clock may also be stopped without affecting processor state according to the W78L801 datasheet. The W78L801A24PL combines conventional 8051 instruction-set compatibility with a surface-mount LCC implementation. The PL suffix denotes the 44-LCC J-lead package shown in product documentation. Its masked-program architecture is appropriate for high-volume products in which firmware is finalized before production. Because the program memory is mask ROM rather than user-programmable flash, firmware changes normally require a different programmed device rather than an in-circuit update. Typical uses include industrial controllers, appliance-control boards, instrumentation modules, building equipment, and compact embedded systems that benefit from the low-power operating modes. The 24 MHz clock provides additional processing headroom for time-sensitive control tasks, while the 8051 instruction set supports a compact software ecosystem and established development methods. System-level suitability depends on the selected external clock, memory organization, and peripheral requirements described in the datasheet. Designers should verify the exact pin functions, oscillator connections, reset behavior, and available I/O assignments against the manufacturer pin-description table before laying out a PCB. Decoupling, clock stability, exposed programming considerations, and supply sequencing also require normal mixed-signal layout practices. Because this package is a leaded LCC rather than a fine-pitch bare die, assembly planning should account for its 44 J-leads. This page combines the manufacturer-oriented device description with verified product parameters, application guidance, design cautions, and a transparent comparison of what the available technical information establishes. It helps engineers identify whether the W78L801A24PL architecture, memory configuration, clock rate, voltage range, and package align with a new embedded-control design.

Permintaan RFG Kontak
W78L812A24DL - 8-Bit 24MHz 8051 MCU | Nuvoton
W78L812A24DL

W78L812A24DL - 8-Bit 24MHz 8051 MCU | Nuvoton

Nuvoton Technology Corporation W78L812A24DL is an 8-bit 8051-compatible microcontroller with 24 MHz clocking, 8 KB of flash program memory, 32 I/O pins, and a 40-pin DIP package. Its 2.4 V to 5.5 V operating range supports low-voltage embedded control systems requiring an 8-bit processor with integrated flash memory. An 8-bit microcontroller is a programmable semiconductor designed for embedded control. The W78 series combines an 8051-compatible core, program memory, data memory, and peripherals in one device. Within the embedded-control hierarchy, the W78L812A24DL is an MCU, or microcontroller unit, intended to execute firmware that monitors inputs and controls outputs in appliances, industrial equipment, and compact automation systems. Key features include 8 KB of flash program memory organized as 8K x 8, a maximum clock frequency of 24 MHz, and 32 I/O lines. EBI/EMI and UART/USART interfaces provide external-memory and serial-communication options, while integrated LED and watchdog-timer functions support status indication and system supervision. The stated 2.4 V to 5.5 V operating-voltage range also supports compatibility with common embedded power rails. The device uses an 8-bit data path and an 8051-compatible processor core. Its flash memory permits firmware to be programmed and updated without an external program-memory device, simplifying both production and maintenance. The 40-DIP mechanical package facilitates through-hole assembly and prototyping, although its larger footprint is less suitable for compact surface-mount products than smaller microcontroller packages. Typical applications include appliance controllers, LED status and sequencing systems, industrial control panels, small motor or relay interfaces, serial-connected embedded modules, and educational 8051 platforms. Designers should confirm RAM capacity, detailed timer and peripheral assignments, clock behavior, and all electrical limits against the manufacturer datasheet before creating a production PCB. For a new design, verify the 40-pin footprint, oscillator requirements, reset behavior, and available I/O functions. The DIP package simplifies breadboard and through-hole prototypes, but a high-density production design may require a different package variant and a corresponding PCB redesign. This product page consolidates the confirmed operating specifications, interface capabilities, application guidance, sourcing path, and drop-in-replacement status for engineers evaluating the W78L812A24DL.

Permintaan RFG Kontak
W78L812A24FL - 8-Bit 24MHz 8051 Flash MCU | Nuvoton
W78L812A24FL

W78L812A24FL - 8-Bit 24MHz 8051 Flash MCU | Nuvoton

The Nuvoton W78L812A24FL is an 8-bit 8051-compatible Flash microcontroller with an operating clock of 24 MHz, 8 KB of Flash EPROM, 256 bytes of RAM, and a 44-pin QFP package. It operates from 2.4 V to 5.5 V and integrates four 8-bit bidirectional I/O ports, an additional 5-bit P4 port, three 16-bit timer/counters, a hardware watchdog timer, and a serial port. An 8051-compatible microcontroller is a compact embedded-control device built around the classic MCS-51 instruction set. Microcontrollers combine a CPU, program memory, data memory, timers, serial communication, and digital I/O on one integrated circuit. This integration allows control systems to monitor inputs, execute embedded software, operate timers, and exchange serial data without requiring a separate processor and supporting components. The W78L812A24FL combines 8 KB of Flash EPROM with 256 bytes of RAM, providing useful program storage for compact embedded applications. Its four 8-bit ports and dedicated P4 port offer multiple digital interfaces, while the three 16-bit timer/counters support periodic events, timing measurements, and waveform generation. The hardware watchdog timer adds an independent mechanism for recovering from stalled program execution. The 24 MHz operating frequency provides a higher instruction-processing rate than lower-frequency members of the same device family while retaining standard 8051 instruction-set compatibility. This makes the device suitable for designs based on established 8051 firmware, industrial controllers, compact instruments, appliance controls, and general-purpose embedded products requiring deterministic digital I/O. Typical uses include motor and actuator sequencing, temperature-instrument signal acquisition, keypad interfaces, LED status panels, programmable timers, and serial-connected control modules. The 2.4 V to 5.5 V operating range supports both lower-voltage and conventional 5 V designs, allowing system designers to choose the MCU around the power architecture of the finished product. PCB design should preserve stable supply decoupling near the power pins and route the oscillator, reset, and high-speed signals according to the manufacturer reference layout. Because the device offers limited RAM, firmware should use the available data memory carefully. Firmware development also benefits from 8051-compatible tools because the instruction set remains compatible with the standard 8051 architecture. This page organizes the principal electrical, memory, peripheral, package, and application characteristics of the W78L812A24FL. It also identifies same-family alternatives and explains the practical distinctions that matter when evaluating an 8051-compatible control IC for an embedded product.

Permintaan RFG Kontak
W78L812A24PL - 8-bit 8051 MCU, 8KB Flash, 24MHz | Nuvoton
W78L812A24PL

W78L812A24PL - 8-bit 8051 MCU, 8KB Flash, 24MHz | Nuvoton

The Nuvoton Technology Corporation W78L812A24PL is an 8-bit microcontroller with a fully 8051-compatible instruction set, an 8 KB Flash EPROM program memory, 256 bytes of RAM and a 24 MHz operating frequency, housed in a 44-pin PLCC (PL) package with a 2.4 V to 5.5 V supply range. An 8-bit MCU is the simplest tier of the microcontroller hierarchy: MCU -> 8-bit microcontroller -> 8051 core -> embedded control IC. The W78L812 belongs to the 8051 family of single-chip computers, combining a CPU core, program memory, data memory and peripherals on one die. Because the instruction set is compatible with the standard 8051, existing 8051 assembler, C compiler and bootloader tooling can be reused without architectural changes. Key features include 8 KB of Flash EPROM instead of masked ROM, which allows field re-programming and simplifies product revisions. The device carries 256 bytes of internal RAM plus a 256-byte XRAM area, four 8-bit bi-directional bit-addressable I/O ports (P0 through P3), an additional 5-bit port P4, and three 16-bit timer/counter blocks with interrupt support for timing, pulse counting and periodic event generation. A 24 MHz oscillator gives roughly ten times the execution rate of a classic 12 MHz 8051. Because the instruction set, memory map and port structure follow the established 8051 convention, the W78L812A24PL is a natural fit for cost-sensitive embedded controllers that must run existing 8051 code. The wide 2.4 V to 5.5 V supply range allows direct operation from unregulated industrial rails, 3.3 V systems or rechargeable cells after regulation. Typical applications include smart appliances, small motor controllers, security keypads, industrial sequencers, LED lighting controllers and low-cost data acquisition front ends. Its PLCC package is a strong argument for designs that expect manual soldering or socketed prototyping rather than fully automated SMT assembly. When designing around this device, remember that Flash EPROM programming requires a dedicated programmer, and that the 44-PLCC footprint is not the same as the 40-pin DIP variant of the same family. Confirm the pinout and package drawing from the manufacturer datasheet before laying out the board, and keep decoupling close to the supply pins.

Permintaan RFG Kontak
W79E217AFG - 8-bit 8051 MCU 64KB Flash 33MHz PQFP-100 | Nuvoton
W79E217AFG

W79E217AFG - 8-bit 8051 MCU 64KB Flash 33MHz PQFP-100 | Nuvoton

The Nuvoton Technology Corporation W79E217AFG is an 8-bit 8051/8052-compatible microcontroller (MCU) with a redesigned processor core that eliminates wasted clock and memory cycles, delivering up to 33 MHz core frequency and integrating 64 KB (64K x 8) of on-chip Flash program memory. Housed in a 100-pin PQFP package, it operates from a single 5 V supply (with operating voltage range per datasheet) and is positioned as a drop-in upgrade for legacy 80C51/80C52 designs that need more code space, more I/O, and embedded Flash in-system programming (ISP). A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (ROM/Flash), data memory (RAM), and peripherals such as timers, UARTs, ADC, GPIO, and interrupt controllers. The 8051 family is the most widely deployed 8-bit MCU platform in history; it sits within the broader taxonomy: 8051 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The W79E217AFG belongs to Nuvoton's W79 series of industrial-grade, Flash-based 8051 derivatives aimed at motor control, instrumentation, and human-machine interface (HMI) applications. Key features of the W79E217AFG include the 33 MHz single-cycle enhanced 8052 core, 64 KB Flash, 256 + 1 KB on-chip SRAM, four 8-bit I/O ports (P0-P3), three 16-bit timers, two full-duplex UARTs, an 8-channel 10-bit ADC, an on-chip oscillator, watchdog timer, power-on reset, and brown-out detector. Industrial temperature range (-40 °C to +85 °C), PQFP-100 package with 84 usable I/O lines, and ISP via UART make it well-suited for embedded designs. Architecturally, Nuvoton re-engineered the classic 8051 pipeline to remove the original 12-clock-per-machine-cycle penalty, allowing most instructions to complete in one clock. This typically yields 2x-3x throughput vs. legacy 80C51 at the same crystal frequency, while preserving binary compatibility with standard 8051 code, assemblers, and Keil C51 toolchains. The integrated 64 KB Flash also enables field updates without external EPROM. Typical applications include industrial motor drives, AC/DC inverter controls, induction cooker controllers, smart appliance HMI panels, security alarm panels, and other 8051-based legacy designs that need to migrate from ROM/EPROM to Flash. The wide operating temperature range and large PQFP package with abundant I/O make it appropriate for human-interface boards that drive LEDs, keypads, and character/graphic LCDs. When designing with this part, ensure your ISP tool is configured for the W79E217 family boot-loader entry mode and that decoupling is placed close to the analog AVSS/AVDD pins if the 10-bit ADC is used. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone.

Permintaan RFG Kontak
W79E352AFG - 8-bit 8051 MCU, 24MHz, 8KB Flash, 44-QFP | Nuvoton
W79E352AFG

W79E352AFG - 8-bit 8051 MCU, 24MHz, 8KB Flash, 44-QFP | Nuvoton

The Nuvoton W79E352AFG is an 8-bit 8051-family microcontroller core running up to 24 MHz, integrating 8 KB of on-chip Flash program memory and 256 bytes of SRAM, supplied in a 44-pin QFP package. It is built around an industry-standard 8051 instruction set, providing full compatibility with the MCS-51 toolchain, Keil C51, and SDCC while adding modern peripherals such as PWM, WDT, brown-out reset, low-voltage detect (LVD), and power-on reset. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash), data memory (RAM), and I/O peripherals into one package. The 8051 architecture, originally introduced by Intel in 1980 and now maintained by Nuvoton and others, sits within the broader hierarchy: microcontroller -> embedded processor -> digital IC -> semiconductor. The W79E352AFG belongs to Nuvoton's W79 series, optimized for cost-sensitive industrial control, home appliance, and motor drive front-ends. Key features of the W79E352AFG include up to 36 general-purpose I/O pins, multiple communication interfaces (EBI/EMI, I2C, UART/USART), four 16-bit timer/counters, hardware PWM channels, and an in-system programmable (ISP) Flash that enables firmware upgrades without removing the device from the board. Operating voltage spans 2.4 V to 5.5 V, supporting both 3.3 V and 5 V system designs with a single device. Technically, the part uses a single-cycle 8051 core that executes most instructions in 1 to 4 clocks (versus 12 in the original 8051), yielding roughly 4x to 12x higher effective MIPS than legacy designs. The integrated 4 KB auxiliary Flash area allows bootloader/ISP separation from the application code region. On-chip RC oscillator options reduce external BOM, and configurable GPIO drive strength simplifies interface to relays, MOSFETs, or 5 V peripheral logic. Typical applications include BLDC and stepper motor control (using the PWM and timer modules), home appliances (washing machines, induction cookers, microwave ovens), industrial control boards, low-end sensor hubs, and replacement of legacy 8051 designs where pin compatibility, code compatibility, and an upgrade path to ISP Flash are required. When designing in this part, reserve pin 30 (RST) for an external reset network and ensure the VDD-to-VSS decoupling is placed within 5 mm of the package. Designers moving from older Nuvoton N79E352ADG (44-DIP) parts can reuse existing firmware because the W79E352AFG shares the same SFR map. This page synthesizes distributor pricing, drop-in alternatives, package diagrams, and practical design notes that complement the official Nuvoton datasheet for engineers migrating legacy 8051 designs or evaluating the W79 series for new industrial and appliance projects.

Permintaan RFG Kontak
W79E8213AKG - 8-bit 8051 MCU, 4KB Flash, 20MHz, 20-DIP | Nuvoton
W79E8213AKG

W79E8213AKG - 8-bit 8051 MCU, 4KB Flash, 20MHz, 20-DIP | Nuvoton

The Nuvoton W79E8213AKG is an 8-bit 4T-8051 microcontroller with 4KB of in-system programmable Flash EPROM, executing one instruction per clock cycle at up to 20MHz and housed in a 20-pin PDIP (DIP-20) through-hole package. It provides 128 bytes of on-chip RAM, brown-out detection, and an integrated 4-channel 10-bit ADC, targeting cost-sensitive industrial and consumer control applications where a mature 8051 core simplifies firmware reuse. An 8-bit 8051 microcontroller is a small single-chip computer based on the original Intel MCS-51 architecture, combining an 8-bit CPU, program memory, data RAM, and peripherals on a single silicon die. The 8051 family is widely classified as an MCU (microcontroller unit) within the broader category of microcontrollers, embedded processors, and finally semiconductors. Nuvoton's W79 series extends the legacy 8051 footprint with modern process technology, larger Flash densities, and ICP (In-Circuit Programming) capability for field-reprogrammability without removing the part from the board. Key features include 4KB (4K x 8) Flash program memory that supports both hardware writer and ICP modes, 128 bytes of on-chip SRAM, an operating frequency up to 20MHz, internal watchdog timer and brown-out reset for robust field operation, and a 20-pin DIP form factor that fits legacy through-hole PCB designs. The device runs across the industrial -40C to +85C temperature range, supports standard 8051 peripherals (UART, timers, GPIO), and integrates an ADC for mixed-signal sensing. At the silicon level, the W79E8213 uses a 4T (four-clock-per-machine-cycle) 8051 core, providing single-cycle instruction execution that delivers up to four times the throughput of legacy 12T 8051 derivatives at the same clock rate. The mixed program/data Flash architecture is partitioned as 4KB code space at the base address, with hardware lock bits available to protect intellectual property against unauthorized readout. Power management includes idle and power-down modes that drop supply current to microampere levels for battery-backed installations. Typical applications include home appliance controls such as rice cookers and washing machines, white goods and HVAC blower control modules, battery chargers, LED lighting controllers, security keypads, and small-format industrial control boards. The DIP-20 package and 8051 instruction set also make the W79E8213AKG a drop-in upgrade for legacy 8051 designs that need more Flash without requiring PCB rework. When designing with the W79E8213AKG, provide a 0.1uF decoupling capacitor as close as possible to VDD and a bulk capacitor on the reset pin if external reset components are used. For ISP/ICP, three of the device's GPIO pins double as the programming interface and must not be permanently pulled to a logic level during the in-circuit programming sequence. Operating voltage is typically 5V with tolerance for 3V to 5.5V operation depending on frequency. This page synthesizes distributor stock levels, parametric alternatives, ICP programming notes, and 8051 architecture context that supplement the manufacturer datasheet and help engineers select the right drop-in replacement when the W79E8213AKG reaches end-of-life.

Permintaan RFG Kontak
W79E825AW - 8-Bit MCU, 16KB ISP Flash, 18 I/O Ports | Nuvoton
W79E825AW

W79E825AW - 8-Bit MCU, 16KB ISP Flash, 18 I/O Ports | Nuvoton

The Nuvoton W79E825AW (formerly Winbond W79E825A family) is an 8-bit CMOS microcontroller built around a high-speed 4T (four-clock-per-instruction) core architecture, providing 16 KB of in-system programmable (ISP) Flash program memory, 256 bytes of on-chip RAM, and 256 bytes of data-flash NVM. The device integrates 18 multi-function I/O pins, two 16-bit timer/counters, 13 interrupt sources arranged in four priority levels, one Enhanced full-duplex UART, one I2C bus interface, a programmable Watchdog Timer, four channels of 10-bit PWM, and a 4-channel multiplexed 10-bit A/D converter. According to the manufacturer datasheet, the on-chip oscillator and clock circuitry eliminate the need for an external crystal on many designs, while a selectable instruction cycle architecture balances throughput and power consumption. The W79E825AW shares its fundamental die with the broader W79E82xA family, and is offered in the 'AW' suffix package code. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile RAM, and peripheral interfaces into one package; 8-bit MCUs such as the W79E825AW remain widely used in cost-sensitive embedded designs where the processing workload (sensing, key handling, simple state machines, motor pulse trains) fits comfortably within an 8-bit data path. Within the broader semiconductor taxonomy, an MCU belongs to the microcontrollers sub-category of Integrated Circuits, sitting above Logic ICs and beneath microprocessors in capability. The 4T core architecture positions the W79E825AW for one-instruction-per-four-clock operation, providing up to several MIPS per MHz depending on the selected clock source. Key features of the W79E825AW include ISP Flash that supports in-application firmware updates without removing the part from the board, a configurable 4-/2-channel 10-bit PWM block for motor or LED control, a 10-bit ADC that can be routed to multiple I/O pins, and a Brown-out / Watchdog combination for unsupervised recovery from power or code faults. The four-level interrupt controller lets time-critical events preempt background tasks, and the Enhanced UART supports 9-bit address-mode communications for RS-485 multi-drop networks. Typical applications include white-goods control boards, low-end motor drives, simple sensor hubs, IR remote transceivers, and consumer-electronic user-interface modules. The 18 I/O budget covers keypad scanning, LED driving, and small display interfaces without external expanders. When designing with this part, leave at least one UART accessible as a serial debug / ISP window and verify the ISP entry sequence against the In-System Programming section of the manufacturer datasheet to avoid lock-out conditions.

Permintaan RFG Kontak
W79E9781AKG - 8-bit MCU 64KB Flash | Nuvoton | Industrial
W79E9781AKG

W79E9781AKG - 8-bit MCU 64KB Flash | Nuvoton | Industrial

The Nuvoton W79E9781AKG is an 8-bit Turbo 51-compatible microcontroller with 64 KB of in-system programmable Flash, 1.25 KB SRAM, and a wide operating voltage range, packaged in a 128-pin LQFP. It integrates a 10-bit ADC, four 16-bit timers, a watchdog timer, a full-duplex hardware UART, an I2C/SPI master interface, and a built-in brown-out detector for industrial-grade reliability. An 8-bit microcontroller (MCU) is a microprocessor-on-a-chip that integrates a CPU, program memory, data RAM, and peripherals into a single IC. The 8-bit architecture is optimized for cost-sensitive, low-power, deterministic control tasks; in the system hierarchy an MCU sits between discrete logic ICs and 32-bit microprocessors, providing firmware-driven I/O handling, sensor interfacing, and protocol conversion. Nuvoton's W79 family extends the legacy 8051 instruction set with Turbo-MCU enhancements, doubling the standard clock-per-instruction cycle for higher throughput at the same crystal frequency. Key features include 64 KB of in-system programmable (ISP) Flash allowing field firmware updates via UART, an operating voltage range of 2.4V to 5.5V that supports both 3.3V and 5V rails, and an industrial-grade operating temperature of -40C to +85C. The on-chip 10-bit ADC provides up to 8 analog input channels, while the four 16-bit timer/counters support PWM generation, capture, and event counting. A dedicated hardware watchdog and brown-out reset circuit protect against code lockup and unstable supplies. The W79E9781AKG uses the standard 8051 instruction set with Nuvoton Turbo-MCU extensions, allowing one machine cycle per clock rather than the original 12, while preserving binary compatibility with legacy 8051 firmware. The device's ISP mechanism boots from a ROM-resident bootloader that re-programs the Flash via the UART pins, eliminating external programming hardware during prototyping and field service. Typical applications include industrial control panels, home appliance main boards, motor control BLDC drivers, smart meter data concentrators, and point-of-sale terminals. The integrated ADC, timers, and UART let designers replace multiple discrete components with a single chip, shrinking BOM cost and PCB area. When designing with this device, plan ISP access by routing the UART pins to a header or optocoupler-isolated connector. Use the brown-out detector level matched to the lowest reliable rail voltage (typically 2.7V for 3.3V systems) to prevent Flash corruption during power-down events. This page consolidates distributor pricing, package-level drop-in alternatives, and engineering design notes that go beyond the manufacturer datasheet, supporting faster component selection and risk-aware substitution decisions.

Permintaan RFG Kontak
W83L951ADG - Mobile Keyboard Embedded Controller | Winbond
W83L951ADG

W83L951ADG - Mobile Keyboard Embedded Controller | Winbond

The Winbond W83L951ADG is a CMOS mobile keyboard and embedded controller fabricated in a 128-pin LQFP (PQFP128) surface-mount package, integrating an 8051-compatible microcontroller core with keyboard scanning, embedded controller, and system management functions for notebook and mobile computing platforms. It was originally produced by Winbond Electronics Corporation, whose embedded controller product line later transferred to Nuvoton Technology, which is why the same MPN appears under both Winbond and Nuvoton branding in distributor catalogs. An embedded controller (EC) is a specialized microcontroller in the power-management hierarchy of a computer system: it is a dedicated, always-on processor that supervises the keyboard matrix, power sequencing, battery charging supervision, thermal sensing, and low-level I/O even while the main CPU is asleep or off. In laptop and mobile designs the EC is the first silicon to wake and the last to sleep, making its firmware and electrical behavior critical to system reliability. Key features of the W83L951ADG include the 8051-derived instruction-set core with embedded firmware memory, an integrated keyboard controller (KBC) compatible with legacy PC/AT keyboard and PS/2 interfaces, general-purpose I/O for board-level control, and low-power CMOS operation suited to battery-powered systems. The device communicates with the host chipset over an LPC (Low Pin Count) style interface used in legacy EC architectures, allowing ACPI-compliant power management event handling. Architecturally, the part follows the classic Winbond/Nuvoton EC family: a single-chip design combining the CPU, program memory, RAM, keyboard matrix scanner, host interface, timers, and GPIO banks, minimizing external component count in dense mobile motherboards. The LQFP-128 package with 0.4 mm lead pitch provides the pin count needed for large keyboard matrix scanning plus numerous GPIO without a larger footprint. Typical applications include laptop and notebook keyboard controllers, embedded system management in x86 mobile platforms, tablet and portable device keyboard scanning, and industrial legacy designs that require PC/AT-compatible KBC functionality. Design consideration: because this device is long past active production, verify remaining authorized stock and confirm firmware compatibility before committing it to a new build; legacy designs should plan a migration path to current Nuvoton EC families. This page synthesizes distributor sourcing data, datasheet availability, drop-in variant information, and practical obsolescence guidance not consolidated in the manufacturer datasheet.

Permintaan RFG Kontak
WPC8763LDG - Embedded Controller IC QFP-128 | Winbond
WPC8763LDG

WPC8763LDG - Embedded Controller IC QFP-128 | Winbond

The Winbond Electronics WPC8763LDG is a specialized embedded controller (EC) integrated circuit supplied in a 128-pin QFP surface-mount package, designed primarily for notebook PC and mobile-system platform management applications such as keyboard scanning, power sequencing supervision, and thermal/fan control. An embedded controller is a specialized microcontroller that operates semi-independently of the host CPU to manage low-level platform functions. In the PC system hierarchy, the EC sits below the main CPU and chipset (PCH) as a power-management IC tier: it handles keyboard matrix scanning, battery charging supervision, thermal monitoring, fan speed control, and lid/power-button events, typically following Intel or AMD platform EC firmware specifications such as those used with ACPI and eSPI/KBC interfaces. The WPC8763LDG belongs to Winbond's WPC876x family of embedded controllers, which integrates an 8-bit or proprietary MCU core with on-chip flash/ROM program memory, keyboard controller (KBC) logic, GPIO, PWM channels for fan control, and ADC inputs for thermal and voltage monitoring. Key differentiating features of this family include the high GPIO count required for notebook keyboard matrices, integrated PWM fan controllers that reduce external component count, and low standby power consumption for battery-operated systems. The 128-pin QFP package provides sufficient I/O for a full notebook EC implementation on a single chip. Architecturally, EC devices like the WPC8763LDG combine a low-power MCU core, a shared RAM region, dedicated peripheral blocks (PS/2 keyboard interface, SMBus/I2C masters for battery and thermal IC communication, pulse-width modulators, and watchdog timers), and boot ROM. Firmware executes from internal non-volatile memory, and the EC communicates with the chipset over LPC or eSPI buses depending on platform generation. Typical applications include laptop and notebook motherboard EC functions, keyboard/mouse controller emulation (PS/2 KBC/Mouse), battery charging management in coordination with a charger IC, thermal and acoustic (fan) management, and general-purpose GPIO expansion in portable and industrial embedded systems. A key design consideration is firmware compatibility: the EC must run BIOS-coordinated firmware, so replacing this device requires both hardware pin compatibility and firmware/toolchain support - verify code image compatibility before any substitution. This page synthesizes distributor stock and pricing data, package information, and sourcing guidance not consolidated in the manufacturer's public datasheet listing.

Permintaan RFG Kontak