NXP Semiconductors LPC845M301JBD48E

Overview

LPC845M301JBD48E from NXP Semiconductors is a 32-bit Arm Cortex-M0+ microcontroller operating at up to 30 MHz, featuring 64 KB flash, 16 KB SRAM, one 12-bit ADC (12-channel, 1.2 Msps), two 10-bit DACs, and capacitive touch interface - deployed in sensor gateways and portable industrial controllers.

For engineers reviewing the LPC845M301JBD48E datasheet, LPC845M301JBD48E pinout, LPC845M301JBD48E application, or LPC845M301JBD48E equivalent, this page delivers verified package mapping (LQFP48), validated GPIO count (42 pins), confirmed peripheral set (5 USARTs, 4 I²C, 2 SPI, SCTimer/PWM), and real-world timing and analog performance metrics for rapid embedded system selection.

Technical Context

The LPC845M301JBD48E integrates an Arm Cortex-M0+ core with single-cycle I/O and nested vectored interrupt controller (NVIC), paired with an AHB multilayer matrix and Micro Trace Buffer (MTB) for deterministic real-time execution. Its clock system combines a trim-accurate Free Running Oscillator (±1% over 0–70°C), PLL, and external crystal support (1–25 MHz).

Digital peripherals include a flexible switch matrix enabling function remapping across 42 GPIOs, a 25-channel DMA with 13 triggers, CRC engine, and input pattern match logic on eight GPIOs. Analog subsystem comprises dual 10-bit DACs, comparator with five inputs, and a 12-bit ADC supporting dual independent sequences and internal/external triggering.

Key Specifications

Pinout & Package

LPC845M301JBD48E uses the LQFP48 package (SOT313-2): plastic low-profile quad flat package, 7 mm × 7 mm × 1.4 mm body, 48 leads, lead pitch 0.5 mm, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC845M301JHI48, the LPC845M301JBD48E offers proven manufacturability in LQFP assembly lines and easier thermal inspection; versus LPC824M201JHI33, it delivers full analog capability and 2× more memory - critical for field-upgradable firmware and multi-sensor fusion algorithms.

Availability

LPC845M301JBD48E is available at Aetrix Electronics and suitable for sensor gateways, portable industrial controllers, and smart lighting nodes requiring stable component supply, long-term lifecycle assurance, and full traceability from wafer to shipment.

Supply support for LPC845M301JBD48E 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with R&D centers across Europe, Asia, and North America.

The LPC84x product line was designed for cost-sensitive, low-power embedded applications demanding rich analog integration, flexible I/O, and robust real-time control - targeting industrial HMI, portable instrumentation, and intelligent edge nodes.

FAQ

What is the maximum operating frequency and core architecture of the LPC845M301JBD48E?

The LPC845M301JBD48E features an Arm Cortex-M0+ core operating at up to 30 MHz. It includes a single-cycle multiplier, fast single-cycle I/O port, and built-in Nested Vectored Interrupt Controller (NVIC). The core is revision r0p1 and supports bit-band addressing for atomic bit manipulation - essential for deterministic real-time control in the LPC845M301JBD48E.

How many GPIO pins does the LPC845M301JBD48E provide in its LQFP48 package?

The LPC845M301JBD48E provides 42 general-purpose I/O pins in the LQFP48 package, as confirmed in Table 2 of the official datasheet. These include configurable pull-up/pull-down resistors, programmable open-drain mode, input inverter, and digital filtering. GPIO direction control supports independent set/clear/toggle of individual bits - a key capability leveraged in the LPC845M301JBD48E's switch matrix architecture.

Does the LPC845M301JBD48E support hardware-accelerated capacitive touch sensing?

Yes, the LPC845M301JBD48E integrates a dedicated Capacitive Touch Interface supporting up to nine electrodes (CAPT_X0–X8 and CAPT_YL/YH). This hardware block operates independently of the CPU, enabling low-power touch detection with configurable sensitivity and noise immunity - a confirmed feature used in gaming controllers and HMI applications of the LPC845M301JBD48E.

What analog peripherals are integrated into the LPC845M301JBD48E?

The LPC845M301JBD48E integrates one 12-bit ADC (12 input channels, 1.2 Msps, dual independent conversion sequences), two 10-bit DACs (DACOUT_0 and DACOUT_1), and one analog comparator with five input pins and selectable internal/external reference voltage. These are fully documented in Sections 2.4 and 7.2 of the datasheet and directly utilized in the LPC845M301JBD48E's sensor gateway and lighting control implementations.

What package type and dimensions does the LPC845M301JBD48E use?

The LPC845M301JBD48E uses the LQFP48 package (SOT313-2): plastic low-profile quad flat package with 48 leads, 7 mm × 7 mm body size, 1.4 mm height, and 0.5 mm lead pitch. Pin configuration and mechanical drawings are specified in Figure 5 and Table 1 of the datasheet - confirming its compatibility with standard LQFP48 footprints used in the LPC845M301JBD48E's target applications.