summary

It is a high-performance mixed signal microcontroller compatible with MCS-51TM, which integrates advanced digital and analog peripherals, suitable for audio playback and MP3 playback applications.

function

Compatible with MCS-51TM instruction set

48MHz operating frequency

Supports MP3 decoder

Four multifunctional 16 bit timers, supporting capture and pulse width modulation modes

Watchdog

Timer with on-chip RC oscillator

A full duplex UART

SBC-UART

One SPI

Infrared remote control decoder

SD card host controller

Supports 2 full speed USB 2.0 hosts

Device controller

Single pin oscillator for external 32.768K/4M12MHz crystal resonator