NO IMAGE * General features - 8-bit Turbo 80C52 Architecture (4 clock cycles / 1 machine cycle) - Programmable I/O pin (Bi-direction, Open-drain output, Push-pull output) - Power-on-Reset (POR) by Low Voltage Detector (LVD) - 2 selectable internal ring Oscillators (4MHz / 30KHz) - Programmable Watch Timer - 3-channel 16-bit Timer/Counters - 1channel I2C Slave - 1channel PWM - ..