General description
The LPC185x/3x/2x/1x are ARM Cortex-M3 based microcontrollers for embedded applications. The ARM Cortex-M3 is a next generation core that offers system enhancements such as low power consumption, enhanced debug features, and a high level of support block integration.

FEATUREs and benefits
■ Processor core
    ◆ ARM Cortex-M3 processor (version r2p1), running at CPU frequencies of up to 180 MHz.
    ◆ ARM Cortex-M3 built-in Memory Protection Unit (MPU) supporting eight regions.
    ◆ ARM Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC).
    ◆ Non-maskable Interrupt (NMI) input.
    ◆ JTAG and Serial Wire Debug, serial trace, eight breakpoints, and four watch points.
    ◆ Enhanced Trace Module (ETM) and Enhanced Trace Buffer (ETB) support.
    ◆ System tick timer.
■ On-chip memory
    ◆ Up to 1 MB on-chip dual bank flash memory with flash accelerator.
    ◆ 16 kB on-chip EEPROM data memory.
    ◆ 136 kB SRAM for code and data use.
    ◆ Multiple SRAM blocks with separate bus access.
    ◆ 64 kB ROM containing boot code and on-chip software drivers.
    ◆ 64 bit+ 256 bit of One-Time Programmable (OTP) memory for general-purpose use.
■ Clock generation unit
    ◆ Crystal oscillator with an operating range of 1 MHz to 25 MHz.
    ◆ 12 MHz internal RC oscillator trimmed to 3 % accuracy over temperature and voltage (1.5 % accuracy for Tamb = 0 °C to 85 °C).
    ◆ Ultra-low power RTC crystal oscillator.
    ◆ Three PLLs allow CPU operation up to the maximum CPU rate without the need for a high-frequency crystal. The second PLL can be used with the High-speed USB, the third PLL can be used as audio PLL.
    ◆ Clock output.
■ Configurable digital peripherals:
    ◆ State Configurable Timer/PWM (SCTimer/PWM) subsystem on AHB.
    ◆ Global Input Multiplexer Array (GIMA) allows to cross-connect multiple inputs and outputs to event driven peripherals like timers, SCTimer/PWM, and ADC0/1. ■ Serial interfaces:
    ◆ Quad SPI Flash Interface (SPIFI) with 1-, 2-, or 4-bit data at rates of up to 52 MB per second.
    ◆ 10/100T Ethernet MAC with RMII and MII interfaces and DMA support for high throughput at low CPU load. Support for IEEE 1588 time stamping/advanced time stamping (IEEE 1588-2008 v2).
    ◆ One High-speed USB 2.0 Host/Device/OTG interface with DMA support and on-chip high-speed PHY (USB0).
    ◆ One High-speed USB 2.0 Host/Device interface with DMA support, on-chip full-speed PHY and ULPI interface to an external high-speed PHY (USB1).
    ◆ USB interface electrical test software included in ROM USB stack.
    ◆ Four 550 UARTs with DMA support: one UART with full modem interface; one UART with IrDA interface; three USARTs support UART synchronous mode and a smart card interface conforming to ISO7816 specification.
    ◆ Up to two C_CAN 2.0B controllers with one channel each.
    ◆ Two SSP controllers with FIFO and multi-protocol support. Both SSPs with DMA support.
    ◆ One Fast-mode Plus I2C-bus interface with monitor mode and with open-drain I/O pins conforming to the full I2C-bus specification. Supports data rates of up to 1 Mbit/s.
    ◆ One standard I2C-bus interface with monitor mode and standard I/O pins.
    ◆ Two I2S interfaces with DMA support, each with one input and one output.
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APPLICATIONs
■ Industrial
■ RFID readers
■ Consumer
■ e-Metering
■ White goods