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XR22801 Datasheet, PDF (20/42 Pages) Exar Corporation – Hi-Speed USB to 10/100 Ethernet Bridge
Bit
7
6:4
3:0
Default
0
Stop
0: 1 stop bit
1: 2 stop bits
0
Parity
000: No parity
001: Odd parity
010: Even parity
011: Mark parity
100: Space parity
All other values undefined, do not use.
0x8
Data_Bits
0111: 7-bit characters
1000: 8-bit characters
1001: 9-bit characters
All other values undefined, do not use.
Description
FLOW_CONTROL (0x046) - Read/Write
Bit
15:4
3
2:0
Default
Description
0x000
0
Reserved
These bits are reserved and should be written as ‘0’.
Half-Duplex Mode
0: UART RX received data irrespective of UART TX
1: UART RX is disabled when UART TX is transmitting data
0
Mode
000: None
001: Hardware
010: Software
011: Address match RX
100: Address match RX and TX
All other values undefined, do not use.
XON_CHAR (0x047) - Read/Write
Bit
15:8
7:0
Default
Description
0x00
0x11
Reserved
These bits are reserved and should be written as ‘0’.
Char
XON ASCII character received in hexadecimal format
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XR22801
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