SAB80515 Datasheet, PDF (53/270 Pages) Siemens Semiconductor Group – 8-Bit Single-Chip Microcontroller Family

On-Chip Peripheral Components
Table 7-4
Timer 1 Generated Commonly Used Baud Rates
Baud Rate
f_OSC (MHz)
SMOD
Mode 1, 3:
62.5 Kbaud 12.0
1
19.5 Kbaud 11.059
1
9.6 Kbaud 11.059
0
4.8 Kbaud 11.059
0
2.4 Kbaud 11.059
0
1.2 Kbaud 11.059
0
110 Baud 6.0
0
110 Baud 12.0
0
Timer 1
C/T
Mode Reload
Value
0
2
FFH
0
2
FDH
0
2
FDH
0
2
FAH
0
2
F4H
0
2
E8H
0
2
72H
0
1
FEEBH
Figure 7-11 shows the mechanisms for baud rate generation of serial channel, while table 7-5
summarizes the baud rate formulas for all usual configurations.
Figure 7-11
Generation of Baud Rates for Serial Interface
Semiconductor Group
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