XR21B1421 Datasheet, PDF (34/50 Pages) Exar Corporation – Enhanced 1-Ch Full-Speed

SET_STOP_LINE_BREAK
Transfer Type: Control Out
Transfer Size: 2 bytes
The SET_STOP_LINE_BREAK report terminates any line break condition in progress.
Field
Report ID
Value
Offset
0
1
Size
1
1
Value
0x52
Set Stop Line Break condition
Set using any value
Description
XR21B1421
GET / SET_SW_FLOW_CTL_CONFIG
Transfer Type: Control In / Out
Transfer Size: 3 bytes
The GET / SET_SW_FLOW_CTL_CONFIG report gets or sets the software flow control XON and XOFF values. The XOFF
value is used by the receiver to stop transmission. If the received value matches the XOFF value with software flow control
enabled, the transmitter will halt transmission until a received character matches the XON value. The default XON character
is 0x11 and the default XOFF character is 0x13.
Field
Report ID
XON
XOFF
Offset
0
1
2
Size
1
1
1
Value
0x53
Char1
Char2
Description
Get / Set SW Flow Control Configuration
Char1 is the XON
Char2 is the XOFF
GET / SET_ADDR_MATCH_CONFIG
Transfer Type: Control In / Out
Transfer Size: 3 bytes
The GET / SET_ADDR_MATCH_CONFIG report gets or sets the multi-drop mode unicast and multicast address match val-
ues.
Field
Report ID
UNI_ADD
MULTI_ADD
Offset
0
1
2
Size
1
1
1
Value
0x54
Char1
Char2
Description
Get / Set Address Matching Configuration
Unicast address (default value 0x11)
Multicast address (default value 0x13)
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