Registers
REG_SPICARDCNT
BIT
|
DESCRIPTION
|
2-0
|
Baud Rate
|
6-7
|
Unused device select.
|
12
|
Bus Mode
|
13
|
Transfer Mode (0 = read, 1 = write)
|
15
|
Trigger (0 = idle, 1 = busy)
|
This register seems to have a bug where the lower 8 bits are shifted up by 16 when reading them back.
REG_SPICARDASSERT
When deasserting the card, this registers is set to 0. Presumably contains 1 when the card is asserted.
REG_SPICARDSIZE
BIT
|
DESCRIPTION
|
31-0
|
Transfer size
|
REG_SPICARDFIFO
BIT
|
DESCRIPTION
|
31-0
|
Data
|
REG_SPICARDFIFOSTAT
BIT
|
DESCRIPTION
|
0
|
FIFO Full (0 = not full, 1 = full)
|