PROGRAMMING INTERFACE
12
Cold Reset
bmRequestType bRequest WValue wIndex wLength Data
11000000B 00100001
B
Zero Zero Two ATR Length
&
TA2 Present
Device will perform a “cold reset” and return two bytes data. The first byte indicates the ATR
byte length and the second byte returns 00000001B if TA2 present (specific mode of card
operation). Following this command, host can use Endpoint 2 (Bulk Transfer) to get ATR
information. The number of bytes to transfer is indicated by “ATR Length”.
Power Down
bmRequestType bRequest wValue wIndex wLength Data
01000000B 00100010B Zero Zero Zero None
This command will reset the device and deactivate the SmartCard
Write SmartCard
bmRequestType bRequest wValue wIndex wLength Data
01000000B 00010000B Number of
bytes to
transfer
Zero Zero None
Following this command, host can use Endpoint 2 (Bulk Transfer) to transfer data to
SmartCard. The number of bytes to transfer is indicated by “Number of bytes to transfer”.
Read SmartCard
bmRequestType bRequest wValue wIndex wLength Data
01000000B 00010001B Number of
bytes to
transfer
Zero Zero None
Following this command, host can use Endpoint 2 (Bulk Transfer) to transfer data from
SmartCard. The number of bytes to transfer is indicated by “Number of bytes to Process”.
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