NXP Semiconductors LPC5504JBD64Y

Overview

LPC5504JBD64Y from NXP Semiconductors is a 32-bit ARM Cortex-M33 microcontroller designed for secure embedded control applications. It operates at up to 96 MHz, integrates 128 KB flash and 80 KB SRAM, includes CAN 2.0 interface, PRINCE flash encryption, and a 16-bit 2.0 Msamples/sec ADC with nine analog input channels. It targets industrial IoT edge nodes requiring deterministic real-time control and firmware integrity.

For engineers reviewing the LPC5504JBD64Y datasheet, LPC5504JBD64Y pinout, LPC5504JBD64Y application, or LPC5504JBD64Y equivalent, key selection criteria include its HTQFP64 package, TrustZone-disabled security configuration, CAN 2.0 (not CAN FD), absence of PUF/SHA/AES hardware acceleration, and support for 45 GPIOs with PLU programmable logic.

Technical Context

The LPC5504JBD64Y implements an ARM Cortex-M33 core without TrustZone or cryptographic accelerators (CASPER, HASH-AES, PUF), distinguishing it from LPC55S0x variants. Its memory subsystem comprises 128 KB on-chip flash with PRINCE real-time encryption/decryption and 80 KB SRAM split across Code Bus (16 KB), System Bus (64 KB contiguous), and additional System Bus (16 KB).

It features eight Flexcomm interfaces (UART/SPI/I2C/I2S configurable), one dedicated CAN 2.0 controller, five 32-bit general-purpose timers, SCTimer/PWM with 10 outputs, MRT timer, RTC with wake-up capability, and a 16-bit ADC supporting simultaneous dual-channel sampling at 2.0 Msamples/sec - all operating within −40 °C to +105 °C ambient range.

Key Specifications

Pinout & Package

Package: HTQFP64 - plastic low-profile quad flat package, 64 leads, body size 10 × 10 × 0.5 mm, 0.5 mm pitch, exposed pad connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC5504JBD64, LPC55S04JBD64 adds hardware security primitives enabling root-of-trust establishment, while LPC5506JBD64 extends memory capacity without altering peripheral functionality - both maintain pin compatibility and identical power/performance envelopes.

Availability

LPC5504JBD64Y is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, building automation controllers, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LPC5504JBD64Y 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 LPC550x product line delivers cost-optimized, secure microcontrollers targeting resource-constrained embedded systems requiring CAN 2.0, high-resolution analog acquisition, and robust flash protection - without premium cryptographic hardware.

FAQ

What is the maximum operating frequency of the LPC5504JBD64Y?

The LPC5504JBD64Y operates at a maximum CPU frequency of 96 MHz, achieved using the internal 96 MHz Free Running Oscillator (FRO) or PLL-derived clocks. This frequency is confirmed in the "Features and benefits" section of the datasheet and applies across the full −40 °C to +105 °C temperature range with appropriate voltage supply (1.8 V to 3.6 V). The LPC5504JBD64Y maintains deterministic timing at this rate for real-time control tasks.

Does the LPC5504JBD64Y support CAN FD or only classical CAN?

The LPC5504JBD64Y supports only CAN 2.0, not CAN FD. This is explicitly stated in Table 2 of the datasheet under "Ordering options", where LPC5504JBD64 is listed with "CAN2.0" and no CAN FD entry. In contrast, LPC55S0x variants are marked "CAN FD". The CAN controller in LPC5504JBD64Y is functionally identical to that in LPC5506JBD64 and lacks the enhanced data rate and flexible data-length capabilities of CAN FD.

How much flash and SRAM does the LPC5504JBD64Y include?

The LPC5504JBD64Y integrates 128 KB of on-chip flash memory with PRINCE real-time encryption/decryption and 80 KB of total SRAM. The SRAM is partitioned as 16 KB on the Code Bus, 64 KB contiguous on the System Bus, and an additional 16 KB on the System Bus - all accessible to the ARM Cortex-M33 core. These values are specified in Table 2 and confirmed in the "On-chip memory" feature section of the datasheet.

Is the LPC5504JBD64Y pin-compatible with other LPC55x devices in HTQFP64 package?

Yes, the LPC5504JBD64Y is pin-compatible with other LPC55x devices in the HTQFP64 package, including LPC55S04JBD64, LPC5506JBD64, and LPC55S06JBD64. All share identical pin count, physical layout, and pin function mapping per Figure 4 and Table 3 of the datasheet. However, functional differences exist - e.g., LPC5504JBD64Y lacks CASPER, PUF, and SHA-AES hardware - so firmware must be validated for feature availability.

What security features are implemented in the LPC5504JBD64Y?

The LPC5504JBD64Y implements PRINCE flash encryption/decryption and ROM-based secure boot using RSA-2048/4096 signature verification, but excludes hardware security accelerators: no CASPER crypto co-processor, no PUF, no SHA-AES engine, and no TRNG. Secure boot relies on externally provisioned keys and x.509 certificate validation. This configuration meets basic firmware integrity requirements without silicon-level cryptographic acceleration found in LPC55S0x variants.