50 MHz Cortex-M0+ with on-chip EEPROM
The NXP LPC11E67JBD100E is a 32-bit ARM Cortex-M0+ microcontroller running at 50 MHz, with 128 KB of Flash program memory and 20 KB of SRAM. It also integrates 4 KB of EEPROM, which is useful for storing calibration constants or configuration data that must survive a firmware update. The part operates across the -40°C to 105°C industrial temperature range, making it suitable for outdoor telecom cabinets, motor-drive control boards, and under-hood automotive modules where ambient temperatures climb.
Serial interface coverage and I/O count
With 80 general-purpose I/O lines and a connectivity set that includes I²C, SPI, UART, Microwire, SSI, and SSP, this MCU can handle multiple sensor buses, display interfaces, and serial memory links without external glue logic. The 12-channel 12-bit ADC (A/D 12x12b) provides enough analog inputs for a three-phase current-sense or multi-channel temperature-monitoring application.
Package and supply voltage
The device comes in a 100-LQFP package (14x14 mm body), surface-mount, with a 2.4 V to 3.6 V supply range. The internal oscillator eliminates the need for an external crystal in many applications, though the part also supports external clock sources. Brown-out detect, POR, and a watchdog timer are built in, reducing external supervisor IC requirements.