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Diffstat (limited to 'docs/esp8266/quickref.rst')
| -rw-r--r-- | docs/esp8266/quickref.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/esp8266/quickref.rst b/docs/esp8266/quickref.rst index 48543dfab6..be58f9332c 100644 --- a/docs/esp8266/quickref.rst +++ b/docs/esp8266/quickref.rst @@ -189,6 +189,20 @@ The SPI driver is implemented in software and works on all pins:: spi.write_readinto(b'1234', buf) # write to MOSI and read from MISO into the buffer spi.write_readinto(buf, buf) # write buf to MOSI and read MISO back into buf + +Hardware SPI +------------ + +The hardware SPI is faster (up to 80Mhz), but only works on following pins: +``MISO`` is gpio2, ``MOSI`` is gpio13, and ``SCK`` is gpio14. It has the same +methods as SPI, except for the pin parameters for the constructor and init +(as those are fixed). + + from machine import Pin, HSPI + + hspi = HSPI(baudrate=800000000, polarity=0, phase=0) + + I2C bus ------- |