ST90158 - MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Table 28. SCI-M Baud Rate Generator Divider Values Example 1
INTCLK: 19660.800 KHz
Divisor
Dec
Actual
Baud
Rate
Baud
Rate
Clock
Factor
Desired Freq
(kHz)
Actual Freq
(kHz)
Deviation
Hex
50.00
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
0.80000
1.20000
24576
16384
11170
4096
2048
1024
512
6000
4000
2BA2
1000
800
400
200
100
80
50.00
0.80000
1.20000
0.0000%
0.0000%
75.00
110.00
75.00
110.01
1.76000
1.76014 -0.00081%
300.00
4.80000
300.00
4.80000
9.60000
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
600.00
9.60000
600.00
1200.00
2400.00
4800.00
9600.00
19200.00
38400.00
76800.00
19.20000
38.40000
76.80000
153.60000
307.20000
614.40000
1228.80000
1200.00
2400.00
4800.00
9600.00
19200.00
38400.00
76800.00
19.20000
38.40000
76.80000
153.60000
307.20000
614.40000
1228.80000
256
128
64
40
32
20
16
10
Table 29. SCI-M Baud Rate Generator Divider Values Example 2
INTCLK: 24576 KHz
Divisor
Dec
Actual
Baud
Rate
Baud
Rate
Clock
Factor
Desired Freq
(kHz)
Actual Freq
(kHz)
Deviation
Hex
50.00
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
0.80000
1.20000
30720
20480
13963
5120
2560
1280
640
7800
5000
383B
1400
A00
500
280
140
A0
50.00
0.80000
1.20000
0.0000%
0.0000%
75.00
110.00
75.00
110.01
1.76000
1.76014 -0.00046%
300.00
4.80000
300.00
4.80000
9.60000
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
600.00
9.60000
600.00
1200.00
2400.00
4800.00
9600.00
19200.00
38400.00
76800.00
19.20000
38.40000
76.80000
153.60000
307.20000
614.40000
1228.80000
1200.00
2400.00
4800.00
9600.00
19200.00
38400.00
76800.00
19.20000
38.40000
76.80000
153.60000
307.20000
614.40000
1228.80000
320
160
80
50
40
28
20
14
153/199
9
ETC [ ETC ]
