control register 1
CLKPHA | Clock phase |
CLKPOL | Clock polarity |
MSTEN | Master enable |
MDIV2_0 | Master clock frequency division bit2-0 |
SPIEN | SPI enable |
LTF | LSB transmit first |
SWCSIL | Software CS internal level |
SWCSEN | Software CS enable |
ORA | Only receive active |
FBN | frame bit num |
NTC | Next transmission CRC |
CCEN | CRC calculation enable |
SLBTD | Single line bidirectional half-duplex transmission direction |
SLBEN | Single line bidirectional half-duplex enable |