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LPC1225FBD48/321,1

LPC1225FBD48/321,1

NXP USA Inc.
ARM® Cortex®-M0 LPC1200 Microcontroller IC 32-Bit 45MHz 80KB (80K x 8) FLASH 48-LQFP (7x7)
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Overview

The LPC1225FBD48/321,1 is an ARM Cortex-M0 based microcontroller designed for industrial control applications requiring high reliability and simple 32-bit architecture. It operates at speeds up to 45MHz and includes 80KB of Flash memory and 8KB of RAM, providing a cost-effective upgrade path from 8-bit or 16-bit MCUs. This specific variant features a 48-pin LQFP package and 5V-tolerant I/O to simplify interfacing with legacy digital logic.

Why Choose This Part

This MCU offers an excellent balance of performance and peripheral integration, including a 10-bit ADC and ROM-based 32-bit integer division routines that accelerate common math tasks. The 5V-tolerant I/O pins reduce the need for external level shifters when interfacing with standard industrial sensors and displays.

Applications

Industrial Control Systems
Ideal for simple PLC-like logic, sensor monitoring, and actuator control in factory environments.
White Goods
Suitable for appliance controllers where 5V tolerance and robust I/O handling are required for EMI/EMC compliance.
Power Management
Utilizes the integrated PMU and 10-bit ADC for monitoring power rails and managing system-level power sequencing.

Key Specifications

Speed 45MHz
RAM Size 8K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, POR, WDT
Connectivity I2C, IrDA, Microwire, SPI, SSI, SSP, UART/USART
Mounting Type Surface Mount
Number of I/O 39
Core Processor ARM Cortex-M0
Package / Case 48-LQFP
Data Converters A/D 8x10b
Oscillator Type Internal
Program Memory Size 80KB (80K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 48-LQFP (7x7)
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

Getting Started

To begin development, use the MCUXpresso IDE and a compatible CMSIS-DAP or J-Link debugger for Serial Wire Debug (SWD). The device supports In-System Programming (ISP) via UART, allowing for easy firmware updates without specialized hardware.

Also Consider

STM32F030C8T6 STMicroelectronics - Offers a similar Cortex-M0 core with comparable memory specs but wider ecosystem support for mass-market applications.
LPC1114FBD48/302,1 NXP USA Inc. - A closely related alternative if different peripheral sets or lower clock speeds are acceptable for cost reduction.
ATSAMD21G18A-AU MCHPMicrochip Technology - Provides a more modern Cortex-M0+ core with significantly more Flash and RAM for complex firmware requirements.