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LPC2148FBD64,157

LPC2148FBD64,157

NXP USA Inc.
ARM7® LPC2100 Microcontroller IC 16/32-Bit 60MHz 512KB (512K x 8) FLASH 64-LQFP (10x10)
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Overview

The LPC2148FBD64,157 is a 16/32-bit ARM7TDMI-S based microcontroller from NXP featuring 512KB of flash memory and 40KB of RAM. It is a versatile MCU characterized by its integrated USB 2.0 full-speed device controller and a robust set of serial interfaces including dual UARTs and I2C. Operating at 60MHz, it provides a stable platform for legacy industrial and consumer applications requiring a proven ARM7 core.

Why Choose This Part

The primary advantage is the combination of a generous 512KB flash memory with a dedicated USB controller in a compact LQFP-64 package. It offers a low-risk migration path for ARM7-based designs and supports high-speed code execution from flash via a specialized Memory Accelerator Module.

Applications

USB Peripheral Devices
Utilizing the integrated USB 2.0 full-speed controller for PC-to-embedded communication and data transfer.
Industrial Control Systems
Acting as a primary controller for factory automation equipment requiring multiple serial communication channels.
Data Loggers
Capturing sensor data and storing it or transmitting it via UART/SPI to external storage or displays.
Protocol Converters
Bridging different communication protocols such as USB to UART or SPI to I2C in legacy system integration.

Key Specifications

Speed 60MHz
RAM Size 40K x 8
Core Size 16/32-Bit
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity I2C, Microwire, SPI, SSI, SSP, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 45
Core Processor ARM7
Package / Case 64-LQFP
Data Converters A/D 14x10b SAR; D/A 1x10b
Oscillator Type Internal
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 64-LQFP (10x10)
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

Getting Started

Development typically involves using the Keil MDK-ARM or IAR Embedded Workbench IDEs with a standard JTAG/SWD debugger like a Segger J-Link. Hardware engineers can utilize legacy boards like the MCB2140 for evaluation, while firmware can be uploaded via the built-in serial bootloader using a simple UART-to-USB adapter.

Also Consider

STM32F103RCT6 STMicroelectronics - A more modern Cortex-M3 alternative with higher performance, similar pin counts, and integrated USB.
ATSAMD21G18A-AU MCHPMicrochip Technology - A modern 32-bit Cortex-M0+ option with excellent USB support and lower power consumption for battery-operated designs.