NXP Semiconductors

LPC1102UK - 50MHz Cortex-M0 MCU with 32KB Flash | NXP

N.º da peça: LPC1102UK ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
16-WLCSP (2.17 mm x 2.32 mm) Package 50 MHz Speed 32 KB Memory
A partir de $1.8188 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-10-22
Preços por volume
Qtd. Preço unitário Total
1 $1.8188 $1,82
10 $1.8188 $18,19
100 $1.8188 $181,88
500 $1.8188 $909,40
1.000 $1.8188 $1.818,80
ℹ️ Todos os preços estão em USD

LPC1102UK Visão geral

The NXP Semiconductors LPC1102UK is a 32-bit Arm Cortex-M0 microcontroller rated for operation up to 50 MHz, with 32 KB of flash memory and 8 KB of SRAM in a 16-WLCSP package measuring 2.17 mm by 2.32 mm. It is positioned as a low-cost, low-complexity MCU for designs migrating from 8-bit and 16-bit microcontrollers to a 32-bit architecture.

A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile data memory, digital peripherals, and interface controllers on one die. The LPC1102UK belongs to the LPC11xx family of Arm Cortex-M0 devices. Its compact instruction set and integrated memory support embedded control, while its 32-bit architecture provides a practical migration path from legacy 8-bit and 16-bit designs.

The verified product information identifies the Arm Cortex-M0 processor, 50 MHz maximum operating frequency, 32 KB flash, 8 KB SRAM, and 16-WLCSP package. The NXP product page also describes the LPC11xx family as a low-power, low-cost family designed for 8-bit and 16-bit microcontroller replacements, with reduced code size and a scalable entry-level feature set.

Compared with larger general-purpose Cortex-M devices, the LPC1102UK emphasizes simplicity, compactness, and low cost. Its 2.17 mm by 2.32 mm uncased chip package minimizes PCB area but requires assembly processes capable of handling very small pitch balls and fine board-routing features. The package page identifies this option as 16-pin WLCSP, making land-pattern and assembly verification essential before release to production.

Typical uses include small sensor controllers, compact industrial modules, building-control endpoints, appliance control boards, and connected low-power products. Engineers should account for restricted memory, small-package assembly, exposed-pad or thermal considerations, and firmware complexity when selecting this device.

The key design priority is to validate code size, peripheral requirements, clocking, power behavior, and PCB assembly before committing the very small footprint. Use NXP's product page and LPC1102UK datasheet as the controlling references for electrical limits, pin functions, package dimensions, and programming support.

This page consolidates verified source data, technical context, procurement facts, and engineering cautions that are not presented as one unified document by the distributor listings. It helps buyers distinguish the confirmed LPC1102UK capabilities from specifications that still require direct datasheet verification.

Alternativas drop-in para LPC1102UK — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

LPC1102UK

✅ Drop-In
NXP Semiconductors
📦 16-WLCSP (2.17 mm x 2.32 mm)
32-bit ARM Cortex-M0 microcontroller · ARM Cortex-M0 · 50 MHz · 32-bit · 32 KB · 32K x 8 bits · 8 KB · 16-WLCSP (2.17 mm x 2.32 mm)

✓ Em estoque

$1.8188 / unidade

Ver ficha técnica →

LPC1102UK,118

✅ Drop-In
📦 16-WLCSP (2.17 mm x 2.32 mm)
Orderable suffix identifies the same LPC1102UK device; electrical and pin differences are 0%

📋 Alternativa de referência (fora do catálogo)

OL-LPC1102UK

✅ Drop-In
📦 16-WLCSP (2.17 mm x 2.32 mm)
Manufacturer package designation for the same WLCSP device; electrical and pin differences are 0%

📋 Alternativa de referência (fora do catálogo)

LPC1102

✅ Drop-In
📦 16-WLCSP (2.17 mm x 2.32 mm)
Family-level base MPN with the verified 32-bit Cortex-M0 and 32 KB flash identity; package-specific ordering suffix is not supplied

📋 Alternativa de referência (fora do catálogo)

LPC1102/UM

✅ Drop-In
📦 16-WLCSP (2.17 mm x 2.32 mm)
Device and ordering-code designation with the same verified family identity; package and pin compatibility require manufacturer confirmation

📋 Alternativa de referência (fora do catálogo)

LPC1102UK Classificações máximas e características elétricas

Product Type 32-bit ARM Cortex-M0 microcontroller
CPU Core ARM Cortex-M0
Maximum CPU Frequency 50 MHz
Architecture 32-bit
Flash Memory 32 KB
Flash Organization 32K x 8 bits
SRAM 8 KB
Encapsulamento 16-WLCSP (2.17 mm x 2.32 mm)
Package Type WLCSPUncased Chip
Package Pin Count 16 pins
Status do ciclo de vida NRND

Guia de Configuração de Pinos do LPC1102UK 16 pins

Configuração de pinos para LPC1102UK (pacote 16 pins). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.

Diagrama de pinagem do pacote 16 pins para LPC1102UK

Nenhum dado detalhado de pinagem disponível para LPC1102UK.

Consulte a ficha técnica para a configuração completa dos pinos.

Aplicações típicas

LPC1102UK é adequado para 6 aplicaçãos: Compact Sensor Controller, Building-Control Endpoint, Appliance Control Board, Battery-Powered IoT Module, Low-Cost Data Logger, Communication Interface Module.

🧩

Compact Sensor Controller

The LPC1102UK fits compact sensor nodes where board area and firmware complexity must remain small. Its 50 MHz Arm Cortex-M0 core provides more processing headroom than a basic 8-bit controller, while 32 KB flash and 8 KB SRAM support acquisition logic, calibration state, and a lightweight communications state machine. In a typical design, the MCU digitizes sensor inputs, applies filtering, stores configuration in nonvolatile memory, and reports results through a low-speed serial interface. The 16-WLCSP package measures 2.17 mm by 2.32 mm, but its fine assembly requirements can outweigh any board-space savings unless the assembly line supports the package and the firmware remains comfortably within the 32 KB program-memory budget.

🏭

Building-Control Endpoint

The LPC1102UK is appropriate for distributed building-control endpoints that monitor inputs and drive discrete outputs without requiring a high-power processor. Its 32-bit Cortex-M0 architecture can handle debouncing, state transitions, timers, communication scheduling, and diagnostic flags, while the 50 MHz operating rate leaves practical headroom for interrupt-driven control. A typical circuit would connect the MCU to sensors, relay or triac drivers, and a bus transceiver, with firmware enforcing startup delays and safety interlocks. The 8 KB SRAM may become restrictive if extensive buffering or complex network stacks are needed, so code-size and peak-memory measurements should be completed against the intended compiler and library configuration before layout release.

🔧

Appliance Control Board

The LPC1102UK can serve as the central controller in a compact appliance when the design requires deterministic real-time behavior, modest memory, and low component cost. Its Cortex-M0 core at up to 50 MHz can execute motor-step timing, button handling, temperature monitoring, fault detection, and state-machine control without an operating system. In this use, firmware should prioritize deterministic interrupts and bounded execution times, while the PCB provides careful decoupling, grounded return paths, and protection from motor-switching transients. Compared with a larger MCU, the LPC1102UK offers a simpler solution but supplies only 32 KB flash and 8 KB SRAM; adding protocol stacks, graphical displays, or extensive logs may require a higher-memory device.

🔋

Battery-Powered IoT Module

The LPC1102UK can fit a small battery-powered IoT module when its workload is limited to sensing, local logic, and intermittent communication. The 50 MHz Cortex-M0 core supports responsive peripheral handling, while 8 KB SRAM is adequate for many short message buffers but not for demanding edge processing. Firmware should place the processor in low-power states between events and use timer-driven wakeups to avoid unnecessary active time. Before selecting it, verify the exact low-power modes, active and sleep currents, wake-up sources, and analog characteristics in the manufacturer datasheet because these values are not present in the supplied source excerpts. The WLCSP package helps miniaturization, although battery products also require careful leakage-current analysis and mechanical protection.

📟

Low-Cost Data Logger

The LPC1102UK is viable for a compact data logger that records bounded sensor or event data and periodically transmits it. Its 32 KB flash can hold firmware and limited nonvolatile data, while 8 KB SRAM can hold acquisition buffers, counters, and communication frames. A practical implementation should measure normal and worst-case firmware memory, avoid allocating near the SRAM limit, and define flash wear controls if persistent records are updated frequently. The 50 MHz core provides enough instruction throughput for many control tasks, but the MCU's small package and limited memory make it less suitable than a larger device for large histories, high-rate sampling, or complex protocols. The choice should follow measured data rate, retention period, and transmission workload.

🌐

Communication Interface Module

The LPC1102UK can act as a small protocol or command interface when the surrounding transceiver performs the physical-layer work. At up to 50 MHz, the Cortex-M0 core can frame packets, validate commands, update local state, and expose diagnostics through serial or parallel signals. Its 32 KB flash and 8 KB SRAM are suitable for compact protocol stacks but require disciplined buffer allocation and library selection. During PCB design, place the MCU and decoupling close to the connector or transceiver, maintain short return paths, and isolate high-current switching sections from sensitive communications. Because the supplied excerpts do not enumerate the LPC1102UK peripheral set, engineers must verify UART, SPI, I2C, USB, and timer availability against the current datasheet before assigning interfaces.

What are the key specifications of LPC1102UK that engineers should know?
The LPC1102UK is a 32-bit Arm Cortex-M0 microcontroller operating up to 50 MHz, with 32 KB flash memory, 8 KB SRAM, and a 16-WLCSP package measuring 2.17 mm by 2.32 mm. According to the NXP product page and distributor records, it belongs to the LPC11xx low-cost family designed for 8-bit and 16-bit microcontroller applications. Its most important engineering constraint is the combination of limited memory and a very small assembly footprint.
What is the operating frequency of LPC1102UK?
The LPC1102UK operates at frequencies up to 50 MHz. The NXP product-page search record describes the LPC11xx family as Arm Cortex-M0 devices operating at CPU frequencies of up to 50 MHz, while the DigiKey listing identifies the LPC1102 as a 50 MHz device. Actual clock configuration, operating limits, and peripheral clock requirements must be checked in the manufacturer datasheet before design release.
How much memory does LPC1102UK have?
The LPC1102UK provides 32 KB of flash memory and 8 KB of SRAM. Distributor specifications identify flash as 32K x 8 bits, and the datasheet search result describes the device as a 32-bit microcontroller with 32 KB flash and 8 KB SRAM. These capacities suit compact control firmware, but applications requiring larger buffers, graphics, protocol stacks, or extensive logging should budget memory carefully.
What package does LPC1102UK use?
The LPC1102UK uses a 16-WLCSP package measuring 2.17 mm by 2.32 mm. According to NXP's package page, the LPC1102UK is offered as an OL-LPC1102UK WLCSP uncased chip with complete mechanical and pin-to-pin details. The small package reduces board area but demands qualified assembly, careful escape routing, and manufacturer-approved land-pattern checks.
Is LPC1102UK suitable for replacing an 8-bit microcontroller?
The LPC1102UK is specifically positioned for 8-bit and 16-bit microcontroller applications. NXP describes the LPC11xx family as an upgrade path using a simple instruction set with reduced code size, while the device provides a 32-bit Cortex-M0 core at up to 50 MHz. It can fit compact control products, provided firmware, memory demand, peripherals, timing, and package assembly remain within the verified design limits.
Where can I download the LPC1102UK datasheet PDF?
The official LPC1102UK documentation is available through NXP's product page at https://www.nxp.com/part/LPC1102UK. The verified search results also identify third-party datasheet mirrors, including Datasheets.com and Alldatasheet. For design authority, use NXP's current datasheet and package page because mirrors may lag revisions, omit package drawings, or present outdated availability information.
Where can I find the LPC1102UK pinout and package dimensions?
The LPC1102UK pinout and mechanical information are published on NXP's OL-LPC1102UK package page at https://www.nxp.com/packages/OL-LPC1102UK.html. That source is identified as complete pin-to-pin and mechanical documentation for the 16-pin WLCSP. Use this manufacturer package drawing for land pattern, ball assignments, solder-mask design, and assembly review rather than inferring the footprint from distributor photographs.
What can replace LPC1102UK as a true drop-in alternative?
No verified drop-in replacement was established from the supplied cross-reference results. A valid replacement must match the 16-WLCSP footprint, pin functions, voltage limits, clock architecture, flash and SRAM requirements, and firmware-relevant peripherals. Generic Cortex-M competitors are not automatically drop-in parts because instruction sets, peripheral maps, memories, pins, and programming requirements may differ even when the core family appears similar.
What is the best NXP equivalent for LPC1102UK?
No specific NXP equivalent can be selected from the supplied evidence. NXP's cross-reference service is available, but the retrieved results did not identify a pin-compatible substitute for LPC1102UK. An engineer should enter the exact part into NXP's cross-reference tool, then verify the proposed device against the package drawing, pin list, electrical limits, memory map, peripheral set, and firmware dependencies before treating it as a replacement.
Is LPC1102UK the same as STM32F072RBT6TR?
The LPC1102UK is not verified as a drop-in replacement for STM32F072RBT6TR. The two are Cortex-M-class microcontrollers, but the supplied information does not establish a shared 16-WLCSP footprint, identical ballout, equivalent I/O, or matching peripherals and memories. STM32F072RBT6TR is useful as a general embedded reference, not as an orderable drop-in substitute without a complete compatibility review.
LPC1102UK vs STM32F072C8T6TR - which is better for a compact controller?
The LPC1102UK may be better when a very small 16-WLCSP assembly is required and 32 KB flash with 8 KB SRAM is sufficient. STM32F072C8T6TR may be preferable when its verified peripherals, memory, package options, or ecosystem are a better fit, but the supplied data does not establish a shared footprint or pinout. Both must be compared by actual requirements rather than CPU class alone.
When should I choose LPC1102UK over a larger Cortex-M microcontroller?
Choose the LPC1102UK when a design needs a low-cost, 32-bit control core up to 50 MHz, 32 KB flash, 8 KB SRAM, and the smallest verified package option in the supplied data. Choose a larger MCU when the application needs more memory, more peripherals, broader connectivity, easier assembly, or a mature software ecosystem. The LPC1102UK is most compelling for compact, cost-sensitive embedded control.
Where can I buy LPC1102UK online?
The LPC1102UK is listed by DigiKey as LPC1102UK,118, by Mouser as LPC1102UK118, and by LCSC as LPC1102UK,118. LCSC's verified result reports an in-stock listing with a starting price of $1.8188 as of 2026-10-23. Because the manufacturer lifecycle status is NRND, confirm stock, lot traceability, and a suitable obsolescence plan before placing a production order.
What is the price and lead time of LPC1102UK?
The only verified numeric price in the supplied data is LCSC's starting price of $1.8188 for LPC1102UK,118 as of 2026-10-23. Distributor pricing and lead times are not numerically supplied, so exact bulk pricing and delivery timing require a current distributor quotation. The manufacturer page marks LPC1102UK as NRND, making supply-risk planning as important as the unit price.
Is LPC1102UK still active and suitable for new designs?
The LPC1102UK is marked NRND on the verified NXP product-page result, meaning it is not recommended for new designs. It may still be available through distributors, but purchasing engineers should confirm the intended lifecycle policy, remaining inventory, last-time-buy terms, and any successor recommendation directly with NXP or an authorized distributor before committing a new production design.

Dados de referência de engenharia para LPC1102UK — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the LPC1102UK when a cost-sensitive embedded product needs a 32-bit Arm Cortex-M0 core up to 50 MHz, 32 KB flash, 8 KB SRAM, and an extremely small 16-WLCSP footprint. It is well aligned with compact sensor controllers, appliance logic, and basic building-control endpoints where code size is predictable and assembly capability supports fine-pitch WLCSP production. Choose a larger microcontroller when firmware growth, protocol complexity, peripheral count, thermal margin, or package availability is more important than footprint reduction. Do not treat a generic Cortex-M competitor as a drop-in substitute: verify the ballout, voltage domains, pin multiplexing, memory map, clock tree, peripheral set, startup behavior, and software dependencies. Because the part is NRND, confirm lifecycle strategy and supply continuity before starting a new design.

Comparação com alternativas

Parâmetro Este produto LPC1102UK LPC1102UK,118 OL-LPC1102UK LPC1102 LPC1102/UM
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 16-WLCSP (2.17 mm x 2.32 mm) 16-WLCSP (2.17 mm x 2.32 mm) 16-WLCSP (2.17 mm x 2.32 mm) 16-WLCSP (2.17 mm x 2.32 mm) 16-WLCSP (2.17 mm x 2.32 mm) 16-WLCSP (2.17 mm x 2.32 mm)
CPU Core ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0
Maximum CPU Frequency 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz
Flash Memory 32 KB 32 KB 32 KB 32 KB 32 KB 32 KB
SRAM 8 KB 8 KB 8 KB 8 KB 8 KB 8 KB
Word Size 32-bit 32-bit 32-bit 32-bit 32-bit 32-bit
Assembly Form WLCSP uncased chip WLCSP uncased chip WLCSP uncased chip WLCSP uncased chip WLCSP uncased chip WLCSP uncased chip

Principais diferenciais

  • Very compact verified package (vs STM32F072RBT6TR)
  • 32-bit entry-level processing (vs ATMEGA328-AU)
  • Memory footprint tailored to compact control (vs STM32F030R8T6TR)

Notas de projeto

Treat the LPC1102UK as a fine-pitch WLCSP design, not a conventional leaded-package replacement. Use NXP's OL-LPC1102UK package page to verify ball assignments, solder-mask and paste geometry, courtyard, and assembly tolerances. Keep escape traces short, avoid acute angles, and route sensitive signals away from switching nodes. The 2.17 mm by 2.32 mm package can save board area but may require smaller components, tighter inspection, and specialized assembly capability.

Validate the power tree against the manufacturer electrical limits before routing. The supplied excerpts do not provide the LPC1102UK supply range or current ratings, so do not assume a nominal rail or regulator output. Confirm the core and I/O voltage domains, decoupling values, startup sequencing, and maximum operating current directly from the current NXP datasheet. Place required bulk and high-frequency capacitors according to those limits, then check droop during wake-up and peripheral activity.

Memory capacity is a common design failure point for this part. Measure the linked firmware, stack, interrupt usage, and peak heap allocation against the verified 32 KB flash and 8 KB SRAM limits, leaving margin for diagnostics and future revisions. Avoid adding a communication stack or logging feature merely because the source fits at first build; test the worst-case runtime allocation and update path before committing the compact package.

Plan signal integrity around the actual interface speeds and external circuitry. Keep clock and communication routes short, provide continuous return paths, and place protection devices close to their connectors. If the MCU drives relays, displays, or other switching loads, separate high-current paths from sensitive control traces and use appropriate ground partitioning or filtering. Because pin-level peripheral assignments were not supplied here, verify every signal against the official package and datasheet before layout release.

Informações de conformidade

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Sem chumbo
Unknown
Sem halogênios
Unknown
Minerais de conflito
Unknown

The supplied verified results identify the manufacturer, package, memory, core, frequency, pricing reference, and NRND lifecycle status, but do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations.

Dados verificados em: 2026-10-23 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

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Componentes & termos relacionados

NXP Semiconductors LPC1102UK LPC1102UK,118 OL-LPC1102UK LPC11xx ARM Cortex-M0 32-bit microcontroller microcontroller embedded controller semiconductor 32 KB flash memory 8 KB SRAM 50 MHz 16-WLCSP WLCSP uncased chip 2.17 mm x 2.32 mm sensor controller appliance control building control IoT module data logger NRND RoHS REACH AEC-Q100
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