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
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