Driver support

Address : 02BC (bank 2, register BC)

Size : 1 byte

Default : 00

Content

Bit    Role Values
7-4 RFU
3-2 Method for CCID Time Extension (empty) data-blocks 0 : Send a Time Extension frame when the card has sent a WTX or a 60 procedure byte
1 : Send a Time Extension frame every 1s
10 : Send a Time Extension frame every 2s
11 : Disable sending the Time Extension frame
1 Implement CCID without the Interrupt endpoint 0 : The Interrupt EP is enabled
1 : The Interrupt EP is disabled
0 Hide CCID class in the USB descriptor 0 : The USB class of the CCID interface is 0B (SmartCard)
1 : The USB class of the CCID interface is FF (vendor specific)

Remarks

Bits 3-2: Method for CCID Time Extension (empty) data-blocks

The Time Extension frames are mandatory with the CCID driver from the PC/SC-Lite project.

Bit 1: Implement CCID without the Interrupt endpoint

The Interrupt EP is mandatory with Windows PC/SC driver and most SpringCard-supplied CCID implementations. It shall be disabled only when the product is used with a legacy CCID driver that has a bogus Interrupt implementation.