ACS ACR33U-A1 SmartDuo Smart Card Reader - Manual (Page 12)

ACR33U-A1 – Reference Manual [email protected]
Version 1.02
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8.0. Commands
8.1. CCID Command Pipe Bulk-OUT Messages
ACR33U-A1 shall follow the CCID Bulk-OUT Messages as specified in CCID Section 4. In addition,
this specification defines some extended commands for operating additional features.
This section lists the CCID Bulk-OUT Messages to be supported by ACR33U-A1.
8.1.1. PC_to_RDR_IccPowerOn
Activates the card slot and return 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 00-05h
Identifies the slot number for this
command
5 bSeq 1 00-FFh Sequence number for command
6 bPowerSelect 1 01h
Voltage that is applied to the ICC:
01h – 5 volts
7 abRFU 2 - Reserved for future use
The response to this command message is the RDR_to_PC_DataBlock response message and the
data returned is the Answer-to-Reset (ATR) data.