ST92196A STMicroelectronics, ST92196A Datasheet - Page 196

• Manufacturer Part Number: ST92196A
• Description: 8/16-bit Mcu For Tv Applications With Up To 96k Rom, On-screen-display And 1 Or 2 Data Slicers
• Manufacturer: STMicroelectronics

SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Table 41. Practical Example of SCI Baud Rate Generator Divider Values
Figure 89. SCI Baud Rate Generator Initialization Sequence
19200.00
38400.00
76800.00
Baud
Rate
1200.00
2400.00
4800.00
9600.00
110.00
300.00
600.00
50.00
75.00
Factor
Clock
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
16 X
Desired Freq
1228.80000
(kHz)
153.60000
307.20000
614.40000
19.20000
38.40000
76.80000
0.80000
1.20000
1.76000
4.80000
9.60000
INTCLK: 19660.800 KHz
BYTE INITIALIZATION
BYTE INITIALIZATION
LEAST SIGNIFICANT
MOST SIGNIFICANT
WORKING MODE
24576
16384
11170
- SERIAL COMMUNICATIONS INTERFACE (SCI)
4096
2048
1024
SELECT SCI
Dec
512
256
128
Divisor
64
32
16
2BA2
6000
4000
1000
Hex
800
400
200
100
80
40
20
10
Actual
19200.00
38400.00
76800.00
Baud
Rate
1200.00
2400.00
4800.00
9600.00
110.01
300.00
600.00
50.00
75.00
Actual Freq
1228.80000
153.60000
307.20000
614.40000
(kHz)
19.20000
38.40000
76.80000
0.80000
1.20000
1.76014
4.80000
9.60000
-0.00081%
Deviation
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
0.0000%
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