w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 52

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

3.2.9 User-defined Register (UDR) (Read/Write)
This is a temporary register that can be accessed and defined by the user.
TABLE 3-5 BAUD RATE TABLE
Note 1: Only use in high speed mode, when FASTA/FASTB bits are set (refer to CR19 bit1 and CR19 bit0).
Note 2: Only use in high speed mode, when TURA/TURB bits are set (refer to CR0C bit7 and bit6).
** The percentage error for all baud rates, except where indicated otherwise, is 0.16%
Desired Baud Rate
115200
230400
460800
921600
19200
57600
134.5
1200
1800
2000
2400
3600
4800
7200
9600
38400
1.5M
110
150
300
600
50
75
BAUD RATE USING 24 MHZ TO GENERATE 1.8461 MHZ
Decimal divisor used to
generate 16X clock
2304
1536
1047
857
768
384
192
1
1
96
64
58
48
32
24
16
12
4
2
6
3
2
1
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Note 1
Note 2
Note 1
Note 1
Publication Release Date: April 1998
Percent error difference between
desired and actual
0.099%
W83877ATF
0.18%
0.53%
0%
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Version 0.51