74HC4051 ic 8-Channel Analog Multiplexer Demultiplexer

79% Faster then E8051 ROM:  16KB DataFlash: 128-byte RAM: 256-byte xRAM: 1KB Built-in USB controller Support USB type-C master-slave Timer:3 sets of  MCS51 timers (T0/T1/T2) Capture:Timer T2 is extended to support 2-channel signal capture PWM: 2 PWM outputs, PWM1 and PWM2, are 2-channel 8-bit PWM outputs UART: 2 UARTs, both support higher communication baud rate SPI: The SPI controller has built-in FIFO ADC: 4-channel 8-bit analog digital converter Touch-key: 6-channel capacitance detection supports up to 15 touchkeys GPIO: Up to 17 GPIO pins Interrupt: It supports 14 sets of interrupt signal sources Watch-Dog: 8-bit presettable watchdog timer WDOG, support timing interrupt Reset: 4 kinds of reset signal sources Clock: Built-in 24 MHz clock source Power: Built-in 5V to 3.3V low dropout voltage regulator Weight : 0.15 g