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NXP (founded by Philips) LPC11U23/301

The NXP (founded by Philips) LPC11U23/301 is an ARM Cortex-M0 processor: - running at frequencies of up to 50 MHz - Nested Vectored Interrupt Controller (NVIC) - Non Maskable Interrupt (NMI) - System tick timer Memory: - Up to 32 kB on-chip Flash (ISP and IAP via on-chip bootloader software) - Up to 4 kB on-chip EEPROM - Up to 10 kB SRAM (8 kB main, 2 kB USB) - 16 kB boot ROM. ROM based drivers: - Power profiles - 32-bit integer division routines - USB drivers supporting HID, MSC, and CDC - IAP EEPROM drivers Debug options: - Standard JTAG test/debug interface - Serial Wire Debug (SWD). Digital peripherals: - Up to 54 General Purpose I/O (GPIO) pins - GPIO pins can be used as edge/level sensitive interrupt sources - High-current source output driver (20 mA) on 1 pin - High-current sink driver (20 mA) on true open-drain pins - 4 general purpose counter/timers - Programmable windowed WatchDog Timer (WDT) Analog peripherals: - 10-bit ADC with input multiplexing among 8 pins Serial interfaces: - USB 2.0 FS device controller - UART with internal FIFO, and RS-485 support USART supports an asynchronous smart card interface (ISO 7816-3) - 2 SSP controllers - I2C-bus interface Clock generation: - Crystal Osc. with operating range of 1 MHz to 25 MHz - 12 MHz Internal high-frequency RC osc. (IRC) - Internal low-power, low-frequency WatchDog Osc. (WDO) - PLL allows CPU operation up to the maximum CPU rate - 2nd dedicated PLL for USB Power control: - 4 reduced power modes (Sleep, Deep-sleep, Power-down, Deep power-down) - Processor wake-up from Deep-sleep, Power-down modes - Processor wake-up from Deep power-down mode using 1 special function pin - Integrated PMU (Power Management Unit) - Power-On Reset (POR) - Brown-Out Detect (BOD) Unique device serial number for identification Single 3.3 V power supply (1.8 V to 3.6 V) Pin-compatible to the ARM Cortex-M3 based LPC134x series.


Development Tools
Compiler, Assembler, Linker, Debugger
JTAG Debuggers
Data Sheets
Data Sheet
1,786,159 bytes
Generic User Guide
953,546 bytes
Technical Reference Manual
472,236 bytes
User Manual
3,640,613 bytes

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Header Files
FLASH Utilities
Device Programmers
Real-Time OS
Simulated Features
Simulation for this device is provided by the default peripheral simulation driver.

Complete peripheral simulation is not available and is not planned to be implemented by ARM.

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

The following on-chip peripherals are not simulated.

  • Flash Memory
  • I²C Interface
  • Memory Accelerator Module
  • Memory Mapping Control

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