ACS ACR89U-A1, Reference Manual

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ACR89U-A1 – Reference Manual
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3.3.1. Command Summary
3.3.1.1. PC_to_RDR_IccPowerOn
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
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 volts
02h – 3 volts
03h – 1.8 volts
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.
3.3.1.2. PC_to_RDR_IccPowerOff
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.
3.3.1.3. PC_to_RDR_GetSlotStatus
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.