User manual

SCM3712 REFERENCE MANUAL 62
8.6.6. READER_ENABLE_DISABLE_848
8.6.6.1. Description
This escape message can be used to enable/disable 848kbps support and to get the current state of
the 848kbps support. Applications may call this function, to enable/disable 848kbps support.
8.6.6.2. Input buffer
Byte #
Value
Description
B0
0x9D
Escape command code
B1
0x00
Disable 848kbps
0x01
Enable 848kbps
0xFF Get current state
8.6.6.3. Output buffer
Byte #
Configuration parameter
value from input buffer
Output buffer
NA
0x00 or 0x01
NULL
B0
0xFF
0x00 if 848kbps disabled
0x01 if 848kbps enabled
8.6.7. READER_CNTLESS_BAUDRATE
8.6.7.1. Description
This escape message can be used to get the actual communication baud rate between SCM3712 and
the user token.
8.6.7.2. Input buffer
Byte #
Value
Description
B0
0x9E
Escape command code
8.6.7.3. Output buffer
Byte #
Value
Comment
B0
0xXY
Nibble X corresponds to the baudrate from user
token to SCM3712
Nibble Y corresponds to the baudrate from
SCM3712to user token
Baudrate
Nibble value
106kbps
0x0
212kbps
0x1
424kbps
0x2
848kbps
0x3