# 外设例程讲解

```{toctree}
:maxdepth: 1

fpioa.md
pin.md
uart.md
i2c.md
spi.md
pwm.md
adc.md
rtc.md
wdt.md
timer.md
fft.md
touch.md
aes.md
sha256.md
led.md
rotary_encoder.md
usb_hid.md
```