The NXP LPC2221 is a robust microcontroller that forms part of the LPC2200 series, designed to provide a high-performance, low-cost solution for a wide range of applications. This microcontroller is based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, which combines the benefits of both 16-bit and 32-bit architectures to achieve optimal efficiency and throughput.

Key Features

• CPU: 16/32-bit ARM7TDMI-S processor, running at up to 60 MHz.
• Memory: Features 128 kB of on-chip static RAM and 256 kB of on-chip flash program memory. The flash memory boasts a vast number of 10,000 write cycles and 20 years of data-retention capabilities.
• Digital Peripherals: Includes 32 kB of RAM accessible via the AHB, two 10-bit ADCs providing a total of 14 channels, and a 10-bit DAC for analog interface needs.
• Communication Interfaces: Offers multiple serial communication interfaces, including two I2C-bus interfaces, two UARTs, two SPI/SSP interfaces, and three 32-bit timers.
• System Control: Features a Vectored Interrupt Controller for low-latency interrupt processing and System Control Block for system configuration.
• Power Management: Comes with an integrated power management unit that supports Idle and Power-down modes, which are crucial for energy-sensitive applications.

Applications

The LPC2221 is designed to cater to a diverse range of applications, including industrial control systems, medical systems, communication gateways, protocol converters, and embedded soft modems. Its rich set of peripherals and low power consumption make it ideal for these and other embedded system applications.

Development Support

Developers can take advantage of the extensive ecosystem of development tools for the LPC2200 series. This includes in-system programming (ISP) and in-application programming (IAP) support, a wide range of third-party development boards, and comprehensive software libraries to accelerate development time.

Overall, the NXP LPC2221 microcontroller is a highly integrated, versatile solution that delivers the performance, reliability, and feature set required for sophisticated embedded applications.