User's Manual

ACR1281S
 Advanced Card Systems Ltd. Page 15 of 56
8. Bulk-OUT Command
8.1 HOST_to_RDR_IccPowerOn
This command is used to activate the ICC and PICC . The ATR will be returned if available in
response “RDR_to_HOST_DataBlock” Format (See 2.1).
Command Frame Format
STX
(0x02)
Bulk-OUT Header
(HOST_to_RDR_IccPowerOn)
Parameters Checksum ETX
(0x03)
1 Byte 10 Bytes 0 Byte 1 Byte 1 Byte
HOST_to_RDR_IccPowerOn Format
Offset Field Size Value Description
0 bMessageType 1 62h
1 dwLength
<LSB .. MSB>
4 00000000h Message-specific data length
5 bSlot 1 00h,01h 00h forPICC interface, 01h for ICC
6 bSeq 1 00h-FFh Sequence number for command
7 bPowerSelect 1 00h, 01h,
02h, 03h
Voltage that is applied to the ICC
00h – Automatic Voltage Selection
01h – 5.0 volts
02h – 3.0 volts
03h – 1.8 volts
8 abRFU 2 Reserved for Future Use
Note: The ICC interface must be activated before access contact cards while PICC interface is
optional.
Example: Power on PICC slot
Command: 02 62 00 00 00 00 00 00 00 00 00 62 03
ACK: 02 00 00 03
Response: 02 80 10 00 00 00 00 00 00 81 00 3B 8B 80 01 4A 43 4F 50 33 31 33 36 47 44 54 4C
2A 03
8.2 HOST_to_RDR_IccPowerOff
This command is used to deactivate the ICC. For PICC, it does nothing.
Command Frame Format
STX
(0x02)
Bulk-OUT Header
(HOST_to_RDR_IccPowerOff)
Parameters Checksum ETX
(0x03)
1 Byte 10 Bytes 0 Byte 1 Byte 1 Byte
HOST_to_RDR_IccPowerOff Format
Offset Field Size Value Description
0 bMessageType 1 63h
1 dwLength
<LSB .. MSB>
4 00000000h Message-specific data length
5 bSlot 1 00h,01h 00h forPICC interface, 01h for ICC
6 bSeq 1 00-FFh Sequence number for command
7 abRFU 3 Reserved for Future Use