Pc_to_rdr_resetparameters, Pc_to_rdr_setparameters – ACS ACR100 SIMFlash (CCID) User Manual

Page 12

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Page 12 of 18

ACR100F (CCID) Reference Manual

Version 3.00

[email protected]

www.acs.com.hk

Offset Field

Size Value

Description

7

AbRFU

3

Reserved for future use

The response to this message is the RDR_to_PC_Parameters message.

7.1.1.6.

PC_to_RDR_ResetParameters

Reset slot parameters to default value.

Offset Field

Size Value

Description

0

bMessageType

1

6Dh

1

DwLength

4

0000000
0h

Size of extra bytes of this message

5

BSlot

1

Identifies the slot number for this
command

6

BSeq

1

Sequence number for command

7

AbRFU

3

Reserved for future use

The response to this message is the RDR_to_PC_Parameters message.

7.1.1.7.

PC_to_RDR_SetParameters

Set slot parameters.

Offset Field

Size Value Description

0

bMessageType

1

61h

1

dwLength

4

Size of extra bytes of this message

5

bSlot

1

Identifies the slot number for this command

6

bSeq

1

Sequence number for command

7

bProtocolNum

1

Specifies what protocol data structure follows.
00h = Structure for protocol T=0
01h = Structure for protocol T=1

The following values are reserved for future
use.
80h = Structure for 2-wire protocol
81h = Structure for 3-wire protocol
82h = Structure for I2C protocol

8

abRFU

2

Reserved for future use

10

abProtocolDat
aStructure

Byte

array

Protocol Data Structure

Protocol Data Structure for Protocol T=0 (dwLength=00000005h)

Offset Field

Size Value Description

10

bmFindexDinde
x

1

B7-4 – FI – Index into the table 7 in ISO/IEC
7816-3:1997 selecting a clock rate conversion
factor
B3-0 – DI - Index into the table 8 in
ISO/IEC 7816-3:1997 selecting a baud rate
conversion factor

11

bmTCCKST0

1

B0 – 0b, B7-2 – 000000b
B1 – Convention used (b1=0 for direct, b1=1
for inverse) Note: The CCID ignores this bit.

12

bGuardTimeT0

1

Extra Guardtime between two characters.
Add 0 to 254 etu to the normal guardtime of
12 etu. FFh is the same as 00h.

13

bWaitingInteg
erT0

1

WI for T=0 used to define WWT

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