Advanced Card ACR39x, Reference Manual

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ACR39x – Reference Manual
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Version 1.03
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7.1. CCID Bulk-OUT Messages
ACR39x shall follow the CCID Bulk-OUT Messages as specified in CCID Rev 1.0 Section 4.1. In
addition, this specification defines some extended commands for operating additional features.
This section lists the CCID Bulk-OUT Messages to be supported by ACR39x.
7.1.1. PC_to_RDR_IccPowerOn
This command activates the card slot and returns the ATR from the card.
Offset Field Size Value Description
0 bMessageType 1 62h
1 dwLength 4 00000000h Size of extra bytes of this message.
2 bSlot 1 Identifies the slot number for this command.
5 bSeq 1 Sequence number for command.
6 bPowerSelect 1
Voltage that is applied to the ICC:
00h – Automatic Voltage Selection
01h – 5 V
02h – 3 V
7 abRFU 2 Reserved for future use.
The response to this message is the RDR_to_PC_DataBlock message and the data returned is the
Answer-to-Reset (ATR) data.
7.1.2. PC_to_RDR_IccPowerOff
This command deactivates the card slot.
Offset Field Size Value Description
0 bMessageType 1 63h
1 dwLength 4 00000000h Size of extra bytes of this message.
5 bSlot 1 Identifies the slot number for this command.
6 bSeq 1 Sequence number for command.
7 abRFU 3 Reserved for future use.
The response to this message is the RDR_to_PC_SlotStatus message.
7.1.3. PC_to_RDR_GetSlotStatus
This command gets the current status of the slot.
Offset Field Size Value Description
0
bMessageType
1 65h
1
dwLength
4 00000000h Size of extra bytes of this message.
5
bSlot
1 Identifies the slot number for this command.
6
bSeq
1 Sequence number for command.
7
abRFU
3 Reserved for future use.
The response to this message is the RDR_to_PC_SlotStatus message.