semiconductor BF6912AS touch key power mangement microcontroller chip MCU

1.1. Features * Working Voltage: 2.7~5.5V *Operating temperature: -40ºC~+85ºC *Storage temperature: -40ºC~+125ºC * 15K FLASH *1K EEPROM *256Bytes(data)+512(xdata)SRAM *Built-in RC oscillation circuit (1 MHz) *High speed 8051, based on standard 8051 instruction pipelining structure * Operating frequency (software configurable: 12M, 6M, 4M system clock, one clock / machine cycle, 9 / 12 times faster than the ordinary *Capacitor keys can be used as GPIO *GPIO supports built-in pull up resister *16 bit PWM output module, PWM0 support IO mapping output *8*8,7*8,7*7,6*7,6*6,5*5,4*4 LED serial dot matrix driver *8 large sink current port. *3*16 bit timers overflow interrupt; Timer 2 using the internal 32KHz or an external crystal 32768Hz/4MHz *INT0~2 external interrupts (rising, falling, rising and falling) *Support idle mode, Wake-up time: 0.1s~2.304s *12-bit 10 bit precision ADC detection *In low power mode all keys can be paralleled as wake-up key (