Analog Devices ADSP-SC58 Series Hardware Reference Manual page 762

ADSP-SC58x SPI Register Descriptions
Table 16-25: SPI_IMSK_SET Register Fields (Continued)
Bit No.
(Access)
1 RUWM
(R/W1S)
16–56
Bit Name
Set Receive Urgent Watermark.
The SPI_IMSK_SET.RUWM bit sets the corresponding mask bit in the
register.
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
Description/Enumeration
0 No effect
1 Set mask bit
SPI_IMSK