 idVendor: 0x1C34
  iManufacturer: SpringCard
 idProduct: 0x7113
  iProduct: CrazyWriter
 bcdDevice: 1.47 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 0
 bAlternateSetting: 0
 bNumEndpoints: 3
  bulk-IN, bulk-OUT and Interrupt-IN
 bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)]
 bInterfaceSubClass: 0
 bInterfaceProtocol: 0
  bulk transfer, optional interrupt-IN (CCID)
 iInterface: 0
 CCID Class Descriptor
  bLength: 0x36
  bDescriptorType: 0x21
  bcdCCID: 1.10
  bMaxSlotIndex: 0x02
  bVoltageSupport: 0x03
   5.0V
   3.0V
  dwProtocols: 0x0000 0x0003
   T=0
   T=1
  dwDefaultClock: 3.686 MHz
  dwMaximumClock: 13.560 MHz
  bNumClockSupported: 0 (will use whatever is returned)
   IFD does not support GET CLOCK FREQUENCIES request: Broken pipe
  dwDataRate: 9909 bps
  dwMaxDataRate: 12643980 bps
  bNumDataRatesSupported: 0 (will use whatever is returned)
   IFD does not support GET_DATA_RATES request: Broken pipe
  dwMaxIFSD: 254
  dwSynchProtocols: 0x00000000
  dwMechanical: 0x00000000
   No special characteristics
  dwFeatures: 0x0002047E
   ....02 Automatic parameter configuration based on ATR data
   ....04 Automatic activation of ICC on inserting
   ....08 Automatic ICC voltage selection
   ....10 Automatic ICC clock frequency change according to parameters
   ....20 Automatic baud rate change according to frequency and Fi, Di params
   ....40 Automatic parameters negotiation made by the CCID
   ..04.. Automatic IFSD exchange as first exchange (T=1)
   02.... Short APDU level exchange
  dwMaxCCIDMessageLength: 271 bytes
  bClassGetResponse: 0xFF
   echoes the APDU class
  bClassEnvelope: 0xFF
   echoes the APDU class
  wLcdLayout: 0x0000
  bPINSupport: 0x00
  bMaxCCIDBusySlots: 1
