NXP Semiconductors LPC54101J256BD64QL

Overview

LPC54101J256BD64QL from NXP Semiconductors is a 32-bit ARM Cortex-M4 microcontroller with integrated FPU and MPU, 256 kB flash, 104 kB SRAM, 12-bit 5.0 Msamples/sec ADC, and dual USART/SPI/I²C interfaces. It operates up to 150 MHz and supports deep-sleep wake-up via I²C, SPI, or RTC alarm - deployed in industrial sensor nodes requiring deterministic real-time control and low-power connectivity.

For engineers reviewing the LPC54101J256BD64QL datasheet, LPC54101J256BD64QL pinout, LPC54101J256BD64QL application, or LPC54101J256BD64QL equivalent, key selection criteria include M4-only core configuration (no M0+ coprocessor), LQFP64 package with 50 GPIOs, 12-channel ADC timing accuracy, SCTimer/PWM routing flexibility, and boot-mode pin behavior for ISP entry.

Technical Context

The LPC54101J256BD64QL implements a single ARM Cortex-M4 core (r0p1) with hardware FPU and MPU, running at up to 150 MHz from internal RC, external crystal (≤25 MHz), or RTC oscillator. Its memory subsystem includes 256 kB flash with 256-byte page erase and 104 kB SRAM (96 kB contiguous + 8 kB isolated).

Digital peripherals include four USARTs with fractional baud-rate generator and FIFO support, two SPIs with four slave selects each, three Fast-mode Plus I²C interfaces (1 Mbit/s master, 3.4 Mbit/s slave), five 32-bit general-purpose timers, one State-Configurable Timer/PWM (SCT/PWM) with 8 inputs/8 outputs, and a 12-channel 12-bit ADC sampling at 5.0 Msamples/sec with dual independent sequences.

Key Specifications

Pinout & Package

LQFP64 package: plastic low-profile quad flat package, 10 × 10 × 1.4 mm body, 64 leads, lead pitch 0.5 mm, RoHS-compliant, operating temperature −40 °C to +105 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with LPC54102J256BD64QL, the LPC54101J256BD64QL reduces firmware complexity and interrupt latency by eliminating M0+ coherency management, while matching all analog, timer, and serial peripheral capabilities - making it optimal for deterministic real-time control where single-core determinism outweighs parallel task benefits.

Availability

LPC54101J256BD64QL is available at Aetrix Electronics and suitable for industrial sensor nodes, motor control edge modules, smart energy meter interfaces, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature resilience (−40 °C to +105 °C).

Supply support for LPC54101J256BD64QL 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The LPC5410x product line delivers high-performance, low-power ARM Cortex-M4 microcontrollers optimized for real-time industrial control, sensor fusion, and edge intelligence - emphasizing integrated analog precision, flexible timer subsystems, and robust power management for harsh environments.

FAQ

What is the core configuration of the LPC54101J256BD64QL?

The LPC54101J256BD64QL integrates a single ARM Cortex-M4 core (r0p1 revision) with hardware FPU and MPU, operating up to 150 MHz. Unlike the LPC54102 variant, it does not include an ARM Cortex-M0+ coprocessor - simplifying software architecture and reducing interrupt latency for time-critical control loops. This configuration is confirmed in Table 2 of the NXP LPC5410x datasheet Rev. 2.12.

Does the LPC54101J256BD64QL support in-system programming (ISP)?

Yes, the LPC54101J256BD64QL supports ISP via its built-in ROM API and UART0 interface. Pin PIO0_31 functions as the ISP entry trigger upon reset when pulled low, enabling firmware updates without external debug hardware. The ROM also provides Flash IAP routines callable from application code, allowing field upgrades without halting real-time operation - a capability documented in Section 2.3 of the LPC5410x User Manual.

How many ADC channels does the LPC54101J256BD64QL support, and what is their maximum sampling rate?

The LPC54101J256BD64QL features a 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, enabling simultaneous sampling across multiple channels for time-aligned sensor data acquisition - critical for motor current reconstruction and vibration analysis. This specification is verified in Section 2.1 and Table 4 of the datasheet.

What package type and pin count does the LPC54101J256BD64QL use?

The LPC54101J256BD64QL uses an LQFP64 package: plastic low-profile quad flat package with 64 leads, 10 × 10 × 1.4 mm body size, and 0.5 mm lead pitch. This package provides 50 GPIOs and full access to all peripherals including four USARTs, two SPIs, three I²C interfaces, and the 12-channel ADC - as specified in Table 1 and Figure 5 of the LPC5410x datasheet Rev. 2.12.

Can the LPC54101J256BD64QL wake up from deep power-down mode using I²C activity?

Yes, the LPC54101J256BD64QL supports wake-up from deep power-down mode via activity on any of its three I²C-bus interfaces (I²C0, I²C1, I²C2) configured as slaves. Each I²C interface can recognize address matches and generate a wake-up interrupt without CPU involvement - enabling ultra-low-power listening for configuration commands or sensor queries. This capability is explicitly stated in Section 2.10 ("Power-saving modes and wake-up") of the datasheet.