XR21B1421 Datasheet, PDF (39/50 Pages) Exar Corporation – Enhanced 1-Ch Full-Speed

XR21B1421
Table 20: Auto Flush Bit Positions
Bit
Description
7:4 Reserved
3 RX_CLOSE
0: Do not automatically flush buffers on UART enable/disable condition.
(Default)
1: Automatically flush buffers on UART enable/disable condition.
2 RX_OPEN
0: Do not automatically flush buffers on UART enable/disable condition.
1: Automatically flush buffers on UART enable/disable condition.
(Default)
1 TX_CLOSE
0: Do not automatically flush buffers on UART enable/disable condition.
(Default)
1: Automatically flush buffers on UART enable/disable condition.
0 TX_OPEN
0: Do not automatically flush buffers on UART enable/disable condition.
1: Automatically flush buffers on UART enable/disable condition.
(Default)
Table 21: Mask Bit Positions
Bit
7:6 Reserved
5 AUTO_FLUSH
4 REL
3 POWER_MODE
2 ATTRIBUTES
1 PID
0 VID
Description
To program any of the fields, the corresponding mask bit must be set to a ’1’. (Write only, will read back ’0.’)
GET / SET_VENDOR_STRING1
Transfer Type: Control In / Out
Transfer Size: 64 bytes
The GET / SET_VENDOR_STRGIN report gets or sets up to 61 bytes (30 1/2 unicode characters) of vendor string.
Field
Report ID
LENGTH
Offset
0
1
Size
1
1
Value
0x61
Get / Set Vendor string 1
String Length + 2 bytes
Description
© 2014 Exar Corporation
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