MC68HC08AZ16 Datasheet, PDF (207/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Serial Communications Interface Module (SCI)
Table 9. SCI baud rate selection
SCR2:1:0
000
001
010
011
100
101
110
111
Baud Rate Divisor (BD)
1
2
4
8
16
32
64
128
Use the following formula to calculate the SCI baud rate:
Baud rate = _{6----4-----×}--f--P-^X---^C-D--^L--^K--_×----B-----D---
where:
f_XCLK = clock frequency
PD = prescaler divisor
BD = baud rate divisor
Table 10 shows the SCI baud rates that can be generated with a
4.9152-MHz crystal.
MC68HC08AZ32
206
Serial Communications Interface Module (SCI)
38-sci
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