unsigned int fsc; /* max frame size accepted by card */
unsigned int fsd; /* max frame size accepted by reader */
- unsigned int fwt; /* frame waiting time */
+ unsigned int fwt; /* frame waiting time (in usec)*/
unsigned char ta; /* divisor information */
- unsigned char sfgt; /* start-up frame guard time */
+ unsigned char sfgt; /* start-up frame guard time (in usec) */
/* otherwise determined */
unsigned int cid; /* Card ID */