Nuvoton N79E844

The Nuvoton N79E844 is an 8051-based CMOS microcontroller with 4-clock High-Speed Core with dual data pointer, 24MHz, 8K Bytes ISP Flash, 256 Bytes RAM, 256 Bytes XRAM, Interrupt system with 14 sources and 4 priority levels, Up to 17 I/O pins, 1 10-Bit ADC Unit with 7 multiplexed channels, 2 16-Bit timer/counters, 1 Watchdog timer, 1 Timer/Counter unit with 3-channel capture capability, 1 full-duplex UART, 1 I2C bus, 1 SPI bus, 1 10-bit PWM unit with 4 channels, 1 Keyboard Unit with 8 inputs and dedicated interrupt, 1 Power-Management Unit, 2 Level Brown-Out detection (BOD) Unit. On Chip peripherals: configurable RC oscillator: 22.1184MHz/11.0592MHz, LED drive capability on dedicated port pins, 2KBytes LDROM (Bootloader), and 4KBytes Data Flash.