LPC54101J256UK49Z - 100MHz Cortex-M4 MCU, 256KB Flash, 49-WLCSP | NXP
MPN: LPC54101J256UK49Z ✓ NakahandaLPC54101J256UK49Z Ulas
What is an ARM Cortex-M4 microcontroller? An ARM Cortex-M4 microcontroller (MCU) is a 32-bit RISC processor featuring the Thumb-2 instruction set, hardware single-precision FPU, optional DSP extensions, and a tightly-coupled NVIC. MCUs integrate the CPU core, Flash, SRAM, timers, ADC, communication peripherals and power management into a single chip. The Cortex-M4 class sits between the Cortex-M0+ (lowest power) and Cortex-M7 (highest performance) within ARM's Cortex-M taxonomy, offering an excellent balance of computational throughput, deterministic interrupt response and energy efficiency. The LPC5410x family occupies a hypernym position of: microcontroller -> embedded processor -> semiconductor -> integrated circuit.
The LPC54101J256UK49Z runs from a 1.62 V to 3.6 V supply, integrates 256 KB Flash, 104 KB SRAM, and supports up to 49 GPIOs depending on package. It includes a 12-bit, 5 MSPS ADC, multiple serial interfaces (USART, SPI, I2C), flexible timers, and a ROM-based bootloader with crypto and ISP support. The Cortex-M4 core includes a single-precision FPU and DSP extensions for efficient sensor-fusion math, while low-power modes (Sleep, Deep-sleep, Power-down, Deep-power-down) deliver quiescent currents suitable for coin-cell and energy-harvesting designs.
Architecturally, the LPC5410x series is offered as either single Cortex-M4 or dual Cortex-M4 + Cortex-M0+ variants. The '01' suffix here denotes the single-core M4 configuration. The 49-WLCSP option minimises board area, addressing space-constrained wearables, hearables and IoT edge nodes where every square millimetre matters. Hardware-level features such as wake-up from multiple pin sources, RTC with calendar mode, and a power management unit with integrated LDO give the part its always-on character.
Typical applications include wearable fitness and health sensors, IoT edge sensor nodes, low-power wireless modules, industrial sensor hubs, consumer hearables, and battery-powered human-machine interface controllers. The combination of Cortex-M4 DSP performance and deep-sleep currents in the single-digit microamp range makes this MCU particularly attractive for always-listening audio front-ends and motion-processing wearables.
When designing, carefully manage the WLCSP land pattern and under-bump metallurgy for assembly yield; the exposed balls are 0.4 mm pitch. Decouple VDD and VDDIO close to each ball pair and follow the reference manual's recommended power-sequencing timing. Always respect the absolute maximum ratings on VBAT and VDD to avoid latch-up during battery hot-plug events.
This page synthesises verified distributor pricing, package-compatible alternatives, and practical design notes for engineers selecting the LPC54101J256UK49Z into power-constrained embedded designs.
Mga alternatibo na pwedeng ilagay na LPC54101J256UK49Z — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
LPC54102J256UK49Z
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
LPC54113J128UK49Z
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
LPC54101J512UK49Z
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
MK64FN1M0VDC12
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
STM32L433CCU6
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →LPC54101J256UK49Z Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | ARM Cortex-M4 |
| CPU Core Count | 1 (single-core) |
| Maximum CPU Frequency | 100 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| RAM Size | 104 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Package Type | 49-WLCSP (3.29 x 3.29 mm) |
| Uri ng Pagpapasok | Surface Mount |
| ADC | 12-bit, up to 5 MSPS |
| GPIO Count | Up to 49 (package dependent) |
| Communication Interfaces | USART, SPI, I2C, I2S |
| Low-Power Modes | Sleep, Deep-sleep, Power-down, Deep-power-down |
| FPU / DSP | Single-precision FPU, DSP extensions |
| Hanay ng Temperature na Operasyon | -40 C to +105 C |
| Tindminan RoHS | Compliant |
| Bootloader | ROM-based with crypto and ISP |
Gabay sa Pin Configuration ng LPC54101J256UK49Z 49-wlcsp (3.29 x 3.29 mm)
Pin configuration para sa LPC54101J256UK49Z (49-wlcsp (3.29 x 3.29 mm) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa LPC54101J256UK49Z.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
LPC54101J256UK49Z ay nararapat para sa 6 aplikasyons: Wearable Fitness and Health Sensors, IoT Edge Sensor Nodes, Low-Power Wireless Modules, Industrial Sensor Hubs, Consumer Hearables, Battery-Powered HMI Controllers.
Wearable Fitness and Health Sensors
The LPC54101J256UK49Z is well suited to wearable fitness bands, smartwatches and health patches where its 100 MHz Cortex-M4 with FPU and DSP extensions can run step-counting, heart-rate and motion-fusion algorithms while drawing microamp-level current in deep-sleep mode. The 49-WLCSP package (3.29 x 3.29 mm) fits inside the tight wristband form factor, and 256 KB Flash holds the typical sensor-fusion firmware plus bootloader and OTA buffers. Battery life of multiple weeks is achievable on a 100 mAh coin cell when the duty cycle is properly managed. NXP's reference firmware and low-power drivers shorten the design cycle significantly.
Inirekomenda
IoT Edge Sensor Nodes
For battery-powered IoT sensor nodes reporting temperature, vibration or air-quality data via BLE, LoRa or sub-GHz radios, the LPC54101J256UK49Z provides the right balance of compute and low-power operation. Its 12-bit 5 MSPS ADC handles multiple analog sensor channels, the Cortex-M4 runs pre-processing and DSP filters, and deep-power-down mode reduces sleep current to microamp levels so coin-cell life can exceed one year on duty-cycled nodes. The 49-WLCSP fits the small PCB envelope typical of zigbee or LoRa end-devices, and the ROM bootloader with crypto enables secure firmware updates in the field.
Inirekomenda
Low-Power Wireless Modules
The LPC54101J256UK49Z is a strong host MCU choice for always-on wireless modules such as BLE beacons, Zigbee/Thread end-devices and LoRaWAN sensors. Its Cortex-M4 core processes received packets and runs link-layer state machines while its low-power modes preserve battery life between transmission slots. The 49-WLCSP footprint allows the entire module to fit a 10 x 10 mm land pattern. NXP's low-power driver library and ROM bootloader reduce firmware development time, while 256 KB Flash accommodates stack plus application code.
Inirekomenda
Industrial Sensor Hubs
In industrial 4-20 mA loop-powered sensor hubs or vibration monitors, the LPC54101J256UK49Z delivers deterministic Cortex-M4 throughput for FFT and envelope analysis on vibration signatures. Its industrial temperature range of -40 C to +105 C supports deployment inside motor control cabinets or process plants. The 1.62-3.6 V supply range is compatible with battery or regulated bus power. Designers can use the 12-bit ADC for front-end digitisation or pair the MCU with an external 16-bit ADC for high-precision measurement chains.
Inirekomenda
Consumer Hearables
The LPC54101J256UK49Z fits true-wireless earbud controller PCBs where its Cortex-M4 can handle DSP audio processing, noise cancellation and sensor fusion while its deep-sleep currents preserve charging-case battery life. The 3.29 mm WLCSP fits inside the smallest TWS form factors. Per the NXP datasheet, the I2S interface supports digital microphone arrays and audio DACs, while 104 KB SRAM accommodates short audio buffer pools. Always-on tap detection uses the RTC wake-up source and interrupt-on-touch GPIOs.
Inirekomenda
Battery-Powered HMI Controllers
Battery-powered remote controls, e-bike displays and smart thermostats benefit from the LPC54101J256UK49Z's combination of Cortex-M4 performance for graphical HMI tasks and its low-power modes for the standby periods between user interactions. The 256 KB Flash holds small GUIs, fonts and BLE/Zigbee stacks; the 12-bit ADC reads touch, battery voltage and temperature sensors directly. The 49-WLCSP footprint supports slim, lightweight enclosures, and the ROM bootloader with OTA updates enables feature additions in the field.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for LPC54101J256UK49Z — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | LPC54102J256UK49Z | LPC54113J128UK49Z | LPC54101J512UK49Z | MK64FN1M0VDC12 | STM32L433CCU6 |
|---|---|---|---|---|---|---|
| Package | 49-WLCSP (3.29 x 3.29 mm) | 49-WLCSP - same | 49-WLCSP - same | 49-WLCSP - same | 49-WLCSP - same | 49-WLCSP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Core | ARM Cortex-M4 (single) | ARM Cortex-M4 + M0+ (dual) | ARM Cortex-M4 (single) | ARM Cortex-M4 (single) | ARM Cortex-M4 (single) | ARM Cortex-M4 (single) |
| Max CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 120 MHz | 80 MHz |
| Flash | 256 KB | 256 KB | 128 KB | 512 KB | 1 MB | 256 KB |
| SRAM | 104 KB | 104 KB | 104 KB | 104 KB | 256 KB | 64 KB |
| Operating Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| FPU / DSP | Yes (single-precision FPU + DSP) | Yes | Yes | Yes | Yes | Yes |
Pangunahing mga Pagkakaiba
- Lowest-power single-core M4 with FPU + DSP in NXP's LPC5410x family (kumpara saLPC54113J128UK49Z)
- Single-core option in a family that includes dual-core variants (kumpara saLPC54102J256UK49Z)
- NXP LPC5410x family pinout and toolchain compatibility (kumpara saSTM32L433CCU6)
Talaan ng Disenyo
WLCSP assembly requires careful PCB land-pattern design. The 49-WLCSP on the LPC54101J256UK49Z uses a 0.4 mm ball pitch per the NXP datasheet. Use non-solder-mask-defined (NSMD) pads with a diameter approximately 80% of the ball diameter, and ensure via-in-pad or microvia designs route the inner balls without violating the keep-out. Under-bump metallurgy and PCB surface finish (ENIG or OSP) must be controlled to avoid assembly yield losses.
Estimated: deep-power-down current on the LPC54101J256UK49Z is in the single-digit microamp range per the NXP datasheet. For battery-life calculations, budget at least 5 uA quiescent + RTC contribution. Decouple every VDD and VDDIO pin with 100 nF X7R close to the ball, plus 4.7 uF bulk on the main rail. Use a power-management IC such as the LM3671 or similar to reach the datasheet's lowest deep-sleep numbers. Ensure VBAT rises with VDD at power-up to avoid the part latching in an undefined state.
Do not exceed the 3.6 V absolute maximum on any VDD ball - including transient spikes during battery hot-plug events - or the LPC54101J256UK49Z may latch up. Use a TVS clamp on the battery rail. The Cortex-M4 debug access port (SWD) must be accessible for production programming; route SWDIO/SWCLK to test points. The ROM bootloader requires a valid ISP entry sequence on UART0 at power-up - check the user manual for timing before designing the production ISP flow.
Impormasyon ng Pagsunod sa Kautusan
RoHS and REACH compliance per NXP product page. Not AEC-Q100 qualified - for automotive-grade ARM Cortex-M4 in the same package family, see NXP's KEA or S32K automotive MCU lines. Conflict-minerals compliance per NXP's standard CMRT filings.
