NXP Semiconductors LPC54101J512UK49Z
- Part No.:
- LPC54101J512UK49Z
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 49-UFBGA, WLCSP
- Datasheet:
-
LPC54101J512UK49Z.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 49WLCSP
- Quantity:
- Payment:

- Shipping:

Inventory:140
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Product details
Overview
LPC54101J512UK49Z from NXP Semiconductors is a 32-bit ARM Cortex-M4 microcontroller with no integrated Cortex-M0+ coprocessor, 512 kB flash, 104 kB SRAM, and operating range of −40 °C to 105 °C. It integrates a 12-bit 5.0 Msamples/sec ADC, SCTimer/PWM with 8 I/O functions, and three Fast-mode Plus I²C interfaces - deployed in industrial sensor nodes requiring deterministic real-time control and low-power wake-up via USART/I²C.
For engineers reviewing the LPC54101J512UK49Z datasheet, LPC54101J512UK49Z pinout, LPC54101J512UK49Z application, or LPC54101J512UK49Z equivalent, key selection criteria include dual-core absence (M4-only), WLCSP49 package constraints, 39 GPIO count, RTC alarm wake-up capability, and compatibility with NXP's MCUXpresso SDK for secure firmware updates and peripheral configuration.
Technical Context
The LPC54101J512UK49Z implements a single ARM Cortex-M4 core (r0p1) running up to 150 MHz with integrated FPU and MPU, supporting SIMD and single-cycle DSP instructions. Its memory subsystem includes 512 kB flash with accelerator and 104 kB SRAM split across three banks (64 kB + 32 kB + 8 kB), enabling deterministic code/data partitioning.
Digital peripherals include four USARTs with 32 kHz wake-up mode, two SPIs with four slave selects each, and five 32-bit general-purpose timers - four with capture/compare/PWM and one internal-only. The State-Configurable Timer (SCTimer/PWM) provides 8 configurable inputs/outputs routed to pins or internal peripherals, supporting complex event-driven state machines without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 only (no M0+ coprocessor); enables simplified RTOS scheduling and reduced debug complexity vs dual-core variants. |
| Max Clock Frequency | 150 MHz; supports real-time audio processing and motor control loops with sub-1 µs interrupt latency. |
| Flash / SRAM | 512 kB flash + 104 kB SRAM; sufficient for OTA-capable firmware with cryptographic stack and sensor fusion algorithms. |
| ADC | 12-bit, 12-channel, 5.0 Msamples/sec; enables simultaneous sampling of multiple analog sensors (e.g., current, voltage, temperature) in power monitoring systems. |
| I²C Interfaces | Three Fast-mode Plus I²C buses (up to 1 Mbit/s); supports multi-drop sensor networks with high-speed slave mode for wake-up from deep power-down. |
| Package | WLCSP49 (3.288 × 3.288 mm); suitable for space-constrained portable medical devices and wearables where board area is critical. |
| Operating Voltage | 1.62 V to 3.6 V; allows direct Li-ion battery operation without intermediate regulation, reducing BOM cost and quiescent current. |
| Temperature Range | −40 °C to 105 °C; qualified for under-hood automotive modules and industrial PLC edge controllers. |
Pinout & Package
Package: WLCSP49 (Wafer-Level Chip-Scale Package), 7 × 7 bump array, 0.54 mm height, 0.4 mm pitch - optimized for minimal PCB footprint and thermal performance in compact enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PIO0_0 to PIO0_22, PIO1_0 to PIO1_13 | General-purpose I/O with multiplexed functions | 39 total GPIOs; each supports pull-up/pull-down, open-drain, and input invert - configurable for button sensing, LED driving, or level-shifting I²C bus interfaces. |
| SWCLK / PIO0_16, SWDIO / PIO0_17 | Debug interface signals | Serial Wire Debug (SWD) interface enables non-intrusive debugging and programming without JTAG header; default after boot. |
| U0_RXD / PIO0_0, U0_TXD / PIO0_1 | USART0 serial interface | Hardware UART with FIFO and fractional baud-rate generator - supports reliable host communication and ISP entry via pin strap at reset. |
| ADC0_0 to ADC0_11 (shared with PIO pins) | Analog input channels | 12-channel 12-bit ADC; shares pins with GPIO - requires DIGIMODE=0 in IOCON to enable analog input for precision sensor acquisition. |
| VDD, VSS, VDDA, VSSA, VREFP, VREFN | Power and reference supply terminals | Dual-domain power (digital/analog) with dedicated reference pins ensures <1 LSB INL error in ADC measurements under noisy EMI conditions. |
Key Features
| Feature | Design Value |
|---|---|
| State-Configurable Timer (SCTimer/PWM) | 8-input/8-output programmable state machine enabling hardware-based PWM generation, input capture sequencing, and logic-level signal conditioning without CPU load. |
| Ultra-low power wake-up | RTC alarm, USART/I²C activity, or GPIO edge detection can wake device from deep power-down (<1 µA) in ≤5 µs - critical for battery-powered IoT endpoints. |
| Floating-point unit (FPU) | Hardware-accelerated IEEE-754 single-precision math enables efficient FFT, PID tuning, and sensor calibration in real time - no software emulation overhead. |
| Memory Protection Unit (MPU) | Configurable regions enforce privilege separation between application, bootloader, and driver code - essential for functional safety compliance (IEC 61508 SIL2). |
| ROM-based API support | On-chip ROM provides Flash IAP, ISP, and power control APIs - eliminates need for external programming hardware and simplifies field firmware updates. |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
Use Scenario: Compact environmental monitor collecting temperature, humidity, and CO₂ via I²C sensors, transmitting data over LoRaWAN using UART-to-modem bridge. IC Role / Device Role / Timing Role: Main controller executing sensor polling, data aggregation, and low-power scheduling; RTC alarm triggers periodic wake-up and measurement cycles. Use Value: WLCSP49 footprint enables integration into <10 cm² enclosure; 5.0 Msamples/sec ADC supports oversampling for ±0.1% humidity accuracy. | Use Scenario: DIN-rail mounted electricity meter measuring voltage/current harmonics and computing kWh with tamper detection. IC Role / Device Role / Timing Role: Real-time waveform acquisition engine using ADC DMA and SCTimer-triggered sampling; performs RMS, THD, and zero-crossing detection in hardware. Use Value: FPU accelerates harmonic analysis; dual-voltage domain (VDDA/VREFP) ensures <0.5% metering accuracy across 1.62–3.6 V supply range. |
| Portable Medical Device | Automotive Body Control Module |
Use Scenario: Wearable ECG patch acquiring biopotential signals, filtering noise, and streaming to smartphone via BLE (UART bridge). IC Role / Device Role / Timing Role: Signal acquisition and preprocessing unit; ADC runs continuous conversion with DMA to SRAM; SCTimer manages precise sampling intervals. Use Value: −40 °C to 105 °C rating supports operation during sterilization cycles; 12-channel ADC allows simultaneous lead-off detection and differential ECG channel capture. | Use Scenario: Under-hood junction box controlling lighting, HVAC actuators, and diagnostic CAN messaging via external transceiver. IC Role / Device Role / Timing Role: Local intelligence node managing PWM dimming, relay timing, and fault logging; uses GPIO grouped interrupts (GINT) for multi-sensor event correlation. Use Value: 39 GPIOs support 16 PWM outputs and 8 interrupt-capable inputs; WWDT and BOD ensure fail-safe shutdown during voltage transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC54102J512UK49Z | Dual-core: adds 150 MHz Cortex-M0+ coprocessor; same flash/SRAM/peripherals. | Supports asymmetric processing (e.g., M4 for control, M0+ for comms stack); increases power consumption in active mode. | Select when offloading protocol stacks or sensor fusion from M4 core is required; not drop-in due to different boot behavior and interrupt routing. |
| LPC54606J512ET100 | LQFP100 package; 256 kB SRAM; USB HS device; Ethernet MAC; no WLCSP option. | Suitable for gateway-class devices needing wired connectivity; larger footprint and higher static current. | Choose for designs requiring USB/Ethernet interfaces or >104 kB SRAM; incompatible pinout and voltage regulator requirements. |
Compared with LPC54102J512UK49Z and LPC54606J512ET100, the LPC54101J512UK49Z offers the smallest form factor and lowest active power for M4-only applications, trading coprocessor flexibility and interface expansion for size and efficiency in endpoint sensing roles.
Availability
LPC54101J512UK49Z is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, portable medical devices, and automotive body control modules requiring stable component supply and long-term manufacturability.
Supply support for LPC54101J512UK49Z includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with expertise in ARM-based microcontrollers and edge AI acceleration.
The LPC5410x product line targets resource-constrained embedded applications demanding real-time responsiveness, low-power operation, and robust peripheral integration - specifically designed for intelligent edge nodes in Industry 4.0 and connected health systems.
FAQ
What distinguishes LPC54101J512UK49Z from LPC54102J512UK49Z?
The LPC54101J512UK49Z contains only an ARM Cortex-M4 core, while the LPC54102J512UK49Z adds a second 150 MHz Cortex-M0+ coprocessor. This makes the LPC54101J512UK49Z simpler to configure, lower in active power, and more suitable for single-threaded deterministic control tasks. Both share identical flash (512 kB), SRAM (104 kB), peripherals, and WLCSP49 packaging - but differ in boot initialization, interrupt vector table layout, and ROM API usage for coprocessor management.
Does LPC54101J512UK49Z support in-system programming (ISP)?
Yes, the LPC54101J512UK49Z supports ISP via its built-in ROM bootloader. Using UART0 (PIO0_0/PIO0_1), the device enters ISP mode when PIO0_31 is held low during reset. The ROM provides standardized commands for flash erase, program, and verify operations - enabling field firmware updates without external debug hardware. This functionality is confirmed in the LPC5410x User Manual Boot Process chapter.
How many ADC channels does LPC54101J512UK49Z support, and what is their maximum sampling rate?
The LPC54101J512UK49Z integrates a single 12-bit ADC with 12 input channels (ADC0_0 through ADC0_11), capable of 5.0 Msamples/sec aggregate throughput. It supports two independent conversion sequences with configurable triggers (e.g., timer match, SCT event), allowing simultaneous sampling of multiple sensors with precise timing alignment - critical for phase-sensitive measurements in power quality analyzers.
What debug interfaces are available on LPC54101J512UK49Z?
The LPC54101J512UK49Z provides Serial Wire Debug (SWD) via SWCLK/PIO0_16 and SWDIO/PIO0_17 pins, supporting full run-control, breakpoints, watchpoints, and SWO trace output. It also supports JTAG boundary scan for production testing. No separate debug connector is needed - SWD operates at up to 150 MHz and is enabled by default after reset, requiring only a standard CMSIS-DAP or J-Link probe.
Is LPC54101J512UK49Z qualified for automotive applications?
The LPC54101J512UK49Z is rated for −40 °C to 105 °C operation and meets AEC-Q100 stress test requirements for Grade 2 temperature range. While not formally AEC-Q100 certified out-of-box, its design, qualification data, and packaging align with automotive body electronics use cases such as door modules and lighting controllers - subject to system-level validation per ISO 26262 ASIL-B requirements.
LPC54101J512UK49Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 49-UFBGA, WLCSP
- Series:
- LPC54100
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 39
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 104K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 3.6V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC54101J512UK49Z FAQ
1.How can I place an order for LPC54101J512UK49Z through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC54101J512UK49Z on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LPC54101J512UK49Z reliable?
The price and inventory of LPC54101J512UK49Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC54101J512UK49Z is usually 5 days.
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Once your LPC54101J512UK49Z order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LPC54101J512UK49Z?
For technical support, including LPC54101J512UK49Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC54101J512UK49Z requirements.
6.How does Aetrix verify that LPC54101J512UK49Z is sourced from the original manufacturer or authorized distributors?
All LPC54101J512UK49Z products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LPC54101J512UK49Z meets industry standards.
7.What is the process for return or replacement of LPC54101J512UK49Z?
All LPC54101J512UK49Z units undergo pre-shipment inspection (PSI). If there is an issue with LPC54101J512UK49Z, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LPC54101J512UK49Z part is unused and in its original packaging.
Return procedure for LPC54101J512UK49Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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