Oxford Semiconductor, Inc.
USB to Quad Serial Port Bridge Data Sheet
Table 4 UART Baud Rates
B[2:0] Bit Setting
Baud Rate
(Kbaud)
Baud Rate with
Div32 Pre-Scaler
(Kbaud)
Baud Rate with
Div8 Pre-Scaler
(Kbaud)
000
001
010
011
100
101
110
111
230.4
115.2
76.8
57.6
38.4
28.8
19.2
14.4
28.8
14.4
9.6
7.2
4.8
3.6
2.4
1.8
4.8
3.6
2.4
1.8
1.2
900 baud
600 baud
450 baud
UART 1 ModemControl
Offset: 0x0BF02
7
6
5
4
3
2
1
0
DTR
RTS
UART 2 ModemControl
Offset: 0x0BF12
UART 3 ModemControl
Offset: 0x0BF22
UART 4 ModemControl
Offset: 0x0BF32
Reset: 0x00
Read/write
DTR
RTS
Data terminal ready output
Request to send output
DS-0016 Oct 06
External—Free Release
11
OXFORD [ OXFORD SEMICONDUCTOR ]
