C504 Datasheet, PDF (25/49 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

C504
The possible baudrates can be calculated using the formulas given in table 7.
Table 7
Formulas for Calculating Baudrates
Baud Rate
derived from
Oscillator
Timer 1 (16-bit timer)
(8-bit timer with
8-bit autoreload)
Timer 2
Interface Mode
0
2
1,3
1,3
1,3
Baudrate
f_OSC/12
(2^SMOD × f_OSC) / 64
(2^SMOD × timer 1 overflow rate) /32
(2^SMOD × f_OSC) / (32 × 12 × (256-TH1))
f_OSC / (32 × (65536-(RC2H, RC2L))
Semiconductor Group
25