MC68HC908AS60ACFN FREESCALE [Freescale Semiconductor, Inc], MC68HC908AS60ACFN Datasheet - Page 202

• Manufacturer Part Number: MC68HC908AS60ACFN
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Serial Communications Interface (SCI)
Use the following formula to calculate the SCI baud rate:
Table 18-11
202
where:
f
PD = prescaler divisor
BD = baud rate divisor
Crystal
shows the SCI baud rates that can be generated with a 4.9152-MHz crystal.
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
= crystal frequency
Baud rate
SCR[2:1:0]
000
001
010
011
100
101
110
111
Table 18-10. SCI Baud Rate Selection
=
----------------------------------- -
64
f Crystal
×
PD
×
BD
Baud Rate Divisor (BD)
128
16
32
64
1
2
4
8
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