Nuvoton N79E234

The Nuvoton N79E234 is an 8051-based CMOS microcontroller, 40 MHz at 12 clks/cycle, 8 KBytes ISP Flash, 256 Bytes RAM, 256 Bytes XRAM, 256 Bytes Data Flash, Interrupt system with 17 sources and 4 priority levels, Up to 36 GPIOs, 3 16-Bit timer/counter, 1 12-Bit timer/counter, 1 10-Bit ADC Unit with 8 multiplexed channels, 2 Analog comparators, 4 12-Bit PWM Units with 8 channels, 1 SPI port, 1 I2C bus, 1 full-duplex UART, 1 Keyboard Interrupt function for 8 inputs, Power management Unit, Power-on and software reset, 1 Watchdog Timer, 3 Level Brown-Out detection Unit, and LED drive capability (20mA) on all port pins.