
TABLE 12: TYPICAL DATA RATES WITH A 14.7456 MHZ CRYSTAL OR EXTERNAL CLOCK AT 16X SAMPLING
REQUIRED
OUTPUT DATA
RATE
DIVISOR FOR 16x
Clock
(Decimal)
DIVISOR
OBTAINABLE IN
V258
DLM PROGRAM
VALUE (HEX)
DLL PROGRAM
VALUE (HEX)
DLD PROGRAM
VALUE (HEX))
DATA ERROR
RATE (%)
400
2304
9
0
2400
384
1
80
0
4800
192
0
C0
0
9600
96
0
60
0
10000
92.16
92 2/16
0
5C
2
0.04
19200
48
0
30
0
25000
36.864
36
0
24
D
0.14
28800
32
0
20
0
38400
24
0
18
0
50000
18.432
18 6/16
0
12
6
0.31
57600
16
0
10
0
75000
12.288
12 4/16
0
C
4
0.31
100000
9.216
9 3/16
0
9
3
0.31
115200
8
0
8
0
153600
6
0
6
0
200000
4.608
4 9/16
0
4
9
0.9975
225000
4.096
4 1/16
0
4
1
0.82
230400
4
0
4
0
250000
3.6864
3 10/16
0
3
A
1.69
300000
3.072
3 1/16
0
1
0.31
400000
2.304
2 4/16
0
2
4
2.4
460800
2
0
2
0
500000
1.8432
1 13/16
0
1
D
1.69
750000
1.2288
1 3/16
0
1
3
3.48
921600
1
0
1
0
XR17V258
33
REV. 1.0.2
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT