NXP Semiconductors LPC5528JEV98K

Overview

LPC5528JEV98K from NXP is a 150 MHz Arm Cortex-M33 microcontroller in VFBGA98 package, featuring 512 KB flash, 256 KB SRAM, dual USB (FS + HS) with on-chip PHY, SDIO interface, and hardware-accelerated AES-256/SHA-2 crypto engines - deployed in secure industrial IoT gateways requiring real-time connectivity and firmware integrity verification.

For engineers reviewing the LPC5528JEV98K datasheet, LPC5528JEV98K pinout, LPC5528JEV98K application, or LPC5528JEV98K equivalent, key selection criteria include VFBGA98 footprint compatibility, absence of SRAM PUF and PRINCE on-the-fly encryption (vs. LPC55S28), USB/SDIO coexistence, and boot ROM support for secure serial programming.

Technical Context

The LPC5528JEV98K implements an Arm Cortex-M33 core with FPU and SIMD extensions, operating at up to 150 MHz, and integrates two independent USB controllers (Full-Speed + High-Speed) with embedded PHYs plus SDIO 3.0 support for host/peripheral SD card and Wi-Fi module interfacing.

It features eight FlexComm peripherals configurable as UART/SPI/I²C/I²S, a 16-bit 1 MSPS ADC, programmable logic unit (6-input/8-output), and dedicated ROM bootloader supporting in-system flash programming via UART/SPI - all powered from a single V_DD supply with multiple low-power modes.

Key Specifications

Pinout & Package

VFBGA98 (9 mm × 9 mm, 0.8 mm pitch) - 98-ball fine-pitch ball grid array with 12 I/O banks, supporting flexible signal routing for high-density industrial PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC55S28JEV98K, the LPC5528JEV98K trades advanced security features for lower cost and simpler certification paths; compared with LPC5526JEV98K, it delivers headroom for future firmware expansion and larger protocol stacks without changing PCB layout.

Availability

LPC5528JEV98K is available at Aetrix Electronics and suitable for industrial IoT gateways, secure diagnostic equipment, and building automation controllers requiring stable component supply across multi-year production cycles.

Supply support for LPC5528JEV98K 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 LPC552x family targets mainstream industrial and consumer embedded applications where balanced performance, USB/SDIO connectivity, and foundational security (AES/SHA) are prioritized over TrustZone or PUF-based provisioning.

FAQ

What is the maximum operating frequency of the LPC5528JEV98K?

The LPC5528JEV98K operates at a maximum CPU frequency of 150 MHz using its Arm Cortex-M33 core with FPU and SIMD support. This frequency is achievable under specified voltage and temperature conditions per the official NXP datasheet. The device maintains real-time determinism at this speed for industrial control loops and protocol stack execution. All timing-critical peripherals - including USB HS, SDIO, and FlexComm - are fully functional at 150 MHz. The LPC5528JEV98K does not require external clock sources to reach this speed, as it includes internal PLLs and oscillators.

Does the LPC5528JEV98K support secure boot?

No, the LPC5528JEV98K does not support secure boot. Unlike the LPC55S2x series, it lacks SRAM PUF, PRINCE on-the-fly decryption, and TrustZone-enforced secure boot flow. Its ROM bootloader supports authenticated firmware loading only via external mechanisms (e.g., host-side signature verification), not hardware-enforced chain-of-trust. The LPC5528JEV98K retains AES-256/SHA-2 acceleration for software-implemented signing, but secure boot is not a built-in feature. For certified secure boot, engineers must select LPC55S28JEV98K instead.

What package type is used for the LPC5528JEV98K?

The LPC5528JEV98K uses a VFBGA98 package - a 9 mm × 9 mm, 0.8 mm pitch, 98-ball very thin fine-pitch ball grid array. This package supports high I/O density and thermal performance suitable for compact industrial PCBs. It is pin-compatible with other LPC552x/LPC55S2x variants in the same footprint, including LPC55S28JEV98K and LPC5526JEV98K. The VFBGA98 variant includes dedicated power/ground balls for analog and digital domains, and supports standard reflow profiles per J-STD-020.

Can the LPC5528JEV98K interface directly with SDIO Wi-Fi modules?

Yes, the LPC5528JEV98K supports direct SDIO 3.0 interface to Wi-Fi modules such as the Infineon CYW4343W or Espressif ESP32-S2. Its native SDIO controller provides CMD, CLK, and four data lines with programmable drive strength and timing control. No level-shifting or bridge IC is required, and the interface operates up to 50 MHz in SDR50 mode. The LPC5528JEV98K's ROM bootloader and MCUXpresso SDK include SDIO host stack examples, enabling rapid integration into wireless gateway designs.

How many FlexComm interfaces does the LPC5528JEV98K provide?

The LPC5528JEV98K provides eight independent FlexComm peripherals (FlexComm0 through FlexComm7). Each can be configured at runtime as UART, SPI, I²C, or I²S - including mixed-mode operation (e.g., FlexComm0 as UART, FlexComm1 as SPI, FlexComm2 as I²C). This enables concurrent multi-protocol communication without pin contention or software multiplexing overhead. All eight FlexComm units support DMA and interrupt-driven operation, and their configuration is managed via the SYSCON and FlexComm registers in the LPC5528JEV98K's memory map.