. RD L WR H CE L C / D H D0 to D7 Status word The T6963C status word format is as follows: MSB LSB STA7 STA6 STA5 STA4 STA3 STA2 STA1 STA0 D7 D6 D5 D4 D3 D2 D1 D0 0: Disable STA0 Check command execution capability 1: Enable 0: Disable STA1 Check data read / write capability 1: Enable 0: Disable STA2