SPI Test Control register. For functional testing only.
RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |
TEST | SPI test mode. When 0, the SPI operates normally. When 1, SCK will always be on, independent of master mode select and data availability setting. |
RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |