NXP Semiconductors LPC5504JHI48J

Overview

LPC5504JHI48J from NXP Semiconductors is a 32-bit ARM Cortex-M33 microcontroller designed for secure embedded control in industrial and IoT edge nodes. It operates at up to 96 MHz, integrates 128 KB flash and 80 KB SRAM, features CAN 2.0 (not CAN FD), and includes a 16-bit 2.0 Msamples/sec ADC with simultaneous dual-channel conversion for real-time sensor acquisition in motor control and smart metering.

For engineers reviewing the LPC5504JHI48J datasheet, LPC5504JHI48J pinout, LPC5504JHI48J application, or LPC5504JHI48J equivalent, this page delivers verified specifications, HVQFN48 package mapping, security feature implementation details, and validated alternative parts for secure boot, PRINCE-encrypted flash, and TrustZone-enabled firmware isolation.

Technical Context

The LPC5504JHI48J implements ARM TrustZone® for hardware-enforced memory and peripheral isolation, enabling secure firmware execution alongside non-secure application code. Its PRINCE module performs real-time AES-128 encryption/decryption of on-chip flash reads and writes, while the PUF generates and reconstructs cryptographic keys directly from silicon fingerprinting.

It uses two independent DMA controllers (23-channel DMA0 and 10-channel DMA1) to offload data movement from the CPU, supporting concurrent transfers between the 16-bit ADC, Flexcomm peripherals (up to 7 interfaces), and SRAM banks. The device lacks CASPER crypto acceleration and Secure Boot signature verification-features reserved for LPC55S0x variants.

Key Specifications

Pinout & Package

HVQFN48 package with 48 terminals, 7 mm × 7 mm body, 0.85 mm height, and exposed thermal pad requiring connection to VSS for thermal and electrical integrity.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC5504JHI48J, LPC5504JBD64 offers greater I/O and ADC scalability in a larger package, while LPC5502JHI48 provides identical form factor with reduced memory-enabling tiered product variants without PCB redesign.

Availability

LPC5504JHI48J is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, secure gateway deployment, and medical sensor hub applications requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LPC5504JHI48J 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 LPC5500 series targets resource-constrained, security-critical embedded systems-delivering TrustZone®-enabled isolation, PRINCE flash encryption, and PUF-based key generation without CASPER or Secure Boot signature validation.

FAQ

What is the maximum operating frequency of the LPC5504JHI48J?

The LPC5504JHI48J runs its ARM Cortex-M33 core at up to 96 MHz, enabled by internal PLLs and the 96 MHz Free Running Oscillator (FRO). This frequency is sustained across the full −40 °C to +105 °C operating range with supply voltage between 1.8 V and 3.6 V. The FRO is factory-trimmed to ±1% accuracy at 0–85 °C and ±2% at −40–105 °C, ensuring reliable timing without external crystals for many applications.

Does the LPC5504JHI48J support CAN FD or only classical CAN?

The LPC5504JHI48J supports only CAN 2.0, not CAN FD. This is explicitly confirmed in Table 2 of the datasheet, which lists "CAN2.0" under the CAN FD column for all LPC550x variants-including LPC5504JHI48J. In contrast, LPC55S0x variants (e.g., LPC55S04JHI48) list "CAN FD". The CAN controller is fully functional for 1 Mbps classical CAN networks but lacks the variable bit rate and extended data field capabilities of CAN FD.

How many ADC channels does the LPC5504JHI48J support, and what is their resolution?

The LPC5504JHI48J integrates a 16-bit successive approximation register (SAR) ADC capable of up to 2.0 million samples per second. It supports 7 ADC input channels in the HVQFN48 package, as specified in Table 2. These include single-ended and differential configurations (e.g., PIO0_9/ACMP0_B and PIO0_0/ACMP0_A can serve as ADC inputs when configured correctly via IOCON registers).

What security features are implemented in the LPC5504JHI48J?

The LPC5504JHI48J includes PRINCE flash encryption, PUF-based key generation, SHA-256, AES-128, TRNG, 128-bit UUID, and TrustZone®-enabled memory isolation. It lacks CASPER crypto acceleration and Secure Boot signature verification (RSA-2048/4096), which are exclusive to LPC55S0x variants. Its ROM bootloader supports CRC32 image integrity checks and debug authentication, but not x.509 certificate-based signature validation.

What is the package type and thermal pad requirement for LPC5504JHI48J?

The LPC5504JHI48J uses the HVQFN48 package (SOT619-28): 7 mm × 7 mm body, 0.85 mm height, no leads, with an exposed thermal pad. Per Figure 3 and datasheet notes, this pad must be soldered to a VSS copper plane for both thermal dissipation and electrical reference. Failure to connect the pad compromises thermal performance and may cause instability under sustained 96 MHz operation.