ACS APG8201-B2, Справочное руководство

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APG8201-B2
– Reference Manual
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Version 1.00
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7.0. USB Communication Protocol (CCID)
APG8201-B2 shall establish an interface to the host through the USB connection. A specification,
namely CCID, has been released within the industry defining such a protocol for the USB chip-card
interface devices. CCID covers all the protocols required for operating smart cards and PIN. The
configurations and usage of USB endpoints on APG8201-B2 shall follow the CCID specification.
There are several essential CCID command protocols that APG8201-B2 needs to handle which are
enumerated in the succeeding sections.
7.1. PC to Reader
7.1.1. 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 Message-specific data length
2 bSlot 1 00-FFh
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 V
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.
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 Message-specific data length
5 bSlot 1 00-FFh
Identifies the slot number for this
command
6 bSeq 1 00-FFh Sequence number for command
7 abRFU 3 - Reserved for future use
The response to this message is the RDR_to_PC_SlotStatus message.