MAX32665-MAX32668 User Guide
Maxim Integrated Page 242 of 457
Reserved for Future Use
Do not modify this field.
Read FIFO Source Select
This field selects the source of the read FIFO. The default is for the Read
FIFO to not use DMA as its source buffer.
0b00: DMA disabled.
0b01: DMA or Direct via CRC_DATA_IN3:CRC_DATA_IN0 registers.
0b10: CRC_PRNG
0b11: Reserved for Future Use.
Write FIFO Source Select
This field selects the source of the Write FIFO. The default is for the Write
FIFO to not use DMA as its source buffer.
0b00: DMA disabled.
0b01: DMA or direct via CRC_DATA_OUT3: CRC_DATA_OUT0 registers.
0b10: CRC_PRNG
0b11: Reserved for Future Use.
Reserved for Future Use
Do not modify this field.
Byte Swap Input
Enables input word byte swapping if set.
0: Input bytes are not byte swapped.
1: Input bytes are byte swapped.
Note: Byte swap only occurs on full words.
Byte Swap Output
Enable output word byte swapping if set.
0: Output bytes are not byte swapped.
1: Output bytes are byte swapped.
Note: Byte swap only occurs on full words.
Reserved for Future Use
Do not modify this field.
Source Select
Selects the CRC generator input source.
0: CRC uses input FIFO.
1: CRC uses output FIFO.
Interrupt Enable
Set this field to 1 to generate a CRC/Crypto IRQ when an interrupt flag is
set (done or error).
0: Interrupt disabled.
1: Interrupt enabled.
Reset
Set this field to reset the CRC including the FIFOs. The CRYPTO_CTRL
register is not reset.
0: Reset not active.
1: Reset the CRC Engine.