NXP Semiconductors LPC5512JBD64Y

Overview

LPC5512JBD64Y from NXP Semiconductors is an Arm Cortex-M33-based microcontroller designed for secure, low-power embedded applications. It integrates 64 KB flash, 48 KB SRAM, CAN 2.0 interface, full-speed USB, a 16-bit 2.0 Msamples/sec ADC, and TrustZone-enabled security features. It targets industrial control nodes requiring deterministic real-time response, secure firmware updates, and robust analog sensing.

For engineers reviewing the LPC5512JBD64Y datasheet, LPC5512JBD64Y pinout, LPC5512JBD64Y application, or LPC5512JBD64Y equivalent, key selection considerations include its HTQFP64 package with 36 GPIOs, absence of CASPER/PRINCE/CAN FD (vs. LPC55S1x), and verified support for secure boot using RSA-2048/4096 and SHA256 digest verification.

Technical Context

The LPC5512JBD64Y implements Arm TrustZone for hardware-enforced memory isolation between secure and non-secure worlds, enabling secure bootloader execution and protected key storage via PUF-generated 64–4096-bit keys. Its dual DMA controllers (23+10 channels) offload data movement from the 150 MHz Cortex-M33 core, supporting concurrent USB FS transfers, CAN 2.0 messaging, and ADC sampling at up to 2.0 Msamples/sec.

Security is anchored by dedicated hardware blocks: SHA2 engine with DMA, AES-256 engine fed by PUF or software keys, TRNG, and 128-bit UUID. Clocking flexibility includes FRO (96/12/1 MHz), 32.768 kHz RTC oscillator, and PLLs enabling CPU operation without external high-frequency crystals-critical for cost-sensitive industrial designs.

Key Specifications

Pinout & Package

Package: HTQFP64 (plastic low-profile quad flat package, 64 leads, 10 × 10 × 0.5 mm body, pitch 0.5 mm).

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC5512JBD64Y, LPC5514JBD64 provides scalable memory headroom for future firmware growth, while LPC55S12JBD64 adds certified hardware security extensions-neither is pin-compatible with LPC5512JBD64Y due to different silicon revisions and security block configurations.

Availability

LPC5512JBD64Y is available at Aetrix Electronics and suitable for industrial control systems, secure metering nodes, USB-powered diagnostic tools, and low-power edge sensor hubs requiring stable component supply across multi-year production cycles.

Supply support for LPC5512JBD64Y 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 deep expertise in Arm-based microcontrollers and trusted execution environments.

The LPC551x series is part of NXP's mainstream secure MCU portfolio targeting cost-sensitive industrial and consumer applications where TrustZone-based security, analog integration, and USB/CAN connectivity are essential-but advanced crypto acceleration (CASPER) or flash encryption (PRINCE) are not required.

FAQ

What is the maximum operating frequency of the LPC5512JBD64Y?

The LPC5512JBD64Y operates at up to 150 MHz using its Arm Cortex-M33 core. This frequency is achievable with internal clock sources including the 96 MHz Free Running Oscillator (FRO) or PLLs driven by FRO, external crystal (12–32 MHz), or 32.768 kHz RTC oscillator-no external high-frequency crystal is required for full-speed operation. The LPC5512JBD64Y maintains timing integrity across its −40 °C to +105 °C operating range.

Does the LPC5512JBD64Y support CAN FD or only classical CAN?

The LPC5512JBD64Y supports only CAN 2.0 (Classical CAN) with bit rates up to 1 Mbps. It does not include the CAN FD controller present in LPC55S1x variants. Its CAN module provides standard message filtering, FIFO buffering, and error handling but lacks CAN FD's extended data length (up to 64 bytes) and flexible bit-rate switching. For CAN FD requirements, engineers must select LPC55S1x or LPC5516 variants instead of the LPC5512JBD64Y.

What security features are implemented in the LPC5512JBD64Y?

The LPC5512JBD64Y includes Arm TrustZone for memory isolation, secure boot with RSA-2048/4096 signature verification, SHA256 hash engine, AES-256 encryption/decryption, Physical Unclonable Function (PUF) for key generation, True Random Number Generator (TRNG), and 128-bit unique device identifier (UUID). It omits CASPER crypto co-processor and PRINCE flash encryption-features found only in LPC55S1x derivatives-not in the LPC5512JBD64Y.

What is the ADC resolution and sampling rate of the LPC5512JBD64Y?

The LPC5512JBD64Y integrates a 16-bit successive approximation register (SAR) ADC capable of up to 2.0 million samples per second (Msamples/sec). It supports five differential channel pairs (or ten single-ended inputs), simultaneous conversions on paired channels, and multiple trigger sources including timers and external signals. The ADC connects directly to an integrated temperature sensor and comparator, enabling self-calibrating sensor systems without external components.

Which package type and pin count does the LPC5512JBD64Y use?

The LPC5512JBD64Y uses the HTQFP64 package: a plastic low-profile quad flat package with 64 leads, 10 mm × 10 mm body size, 0.5 mm lead pitch, and exposed thermal pad. This package delivers 36 GPIOs-fewer than the 100-pin HLQFP variant-making it optimal for space-constrained industrial control modules where USB, CAN 2.0, and analog sensing are prioritized over maximum I/O count.