diff --git a/adafruit_bus_device/spi_device.py b/adafruit_bus_device/spi_device.py index e1fbc39..7b62649 100644 --- a/adafruit_bus_device/spi_device.py +++ b/adafruit_bus_device/spi_device.py @@ -34,11 +34,13 @@ class SPIDevice: :param ~busio.SPI spi: The SPI bus the device is on :param ~digitalio.DigitalInOut chip_select: The chip select pin object that implements the DigitalInOut API. - :param bool cs_active_value: Set to true if your device requires CS to be active high. - Defaults to false. - :param int baudrate: The SPI baudrate - :param int polarity: The SPI polarity - :param int phase: The SPI phase + :param bool cs_active_value: Set to True if your device requires CS to be active high. + Defaults to False. + :param int baudrate: The desired SCK clock rate in Hertz. The actual clock rate may be + higher or lower due to the granularity of available clock settings (MCU dependent). + :param int polarity: The base state of the SCK clock pin (0 or 1). + :param int phase: The edge of the clock that data is captured. First (0) or second (1). + Rising or falling depends on SCK clock polarity. :param int extra_clocks: The minimum number of clock cycles to cycle the bus after CS is high. (Used for SD cards.)
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