Advanced Card Systems ACR3901U-S1, Reference Manual

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ACR3901U-S1 – Reference Manual
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6.2.1. CCID Bulk-OUT Messages
6.2.1.1. PC_to_RDR_IccPowerOn
This command activates the card slot and returns ATR from the card.
Offset Field Size Value Description
0 bMessageType 1 62h -
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 bPowerSelect 1 -
Voltage that is applied to the ICC:
00h = Automatic Voltage Selection
01h = 5 V
02h = 3 V
8
abRFU
2 - Reserved for future use
The response to this command message is RDR_to_PC_DataBlock response message and the data
returned is the Answer-to-Reset (ATR) data.
6.2.1.2. 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.
6.2.1.3. 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.