UIC680 Programmer’s Manual
UDN PM063-U Rev. 4
4-15
If unsuccessful, reader transmits '*'.
APDU Command Structure
CLA
INS P1 P2 P3
Lc or Le
Data
(If Lc present)
APDU Response Structure
Data (optional)
SW1
SW2
•
z (7AH) – I/O to contactless card for block data exchange
COMMENT The command is used to pass a block data to a card.
z[CRC mode, 1 bytes][Wait time, 4 bytes][Block data, 384 bytes max.]
[CRC mode]
0 (30h, ASCII Hex) – Block data contain 2 bytes CRC and enable CRC transmission.
1 (31h, ASCII Hex) – No CRC in block data and disable CRC transmission.
[Wait time]
0000 to 9999 (30h30h30h30h to 39h39h39h39h, ASCII Hex) Waiting time in ms.
[Block data]
Binary hex (00h to FFh), Maximum accepts 384 bytes.
If successful, the data from the ICC are returned.
If unsuccessful, reader transmits '*'.