mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 209

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

37-sci
MOTOROLA
SCR2 – SCR0 — SCI Baud Rate Select Bits
Use the following formula to calculate the SCI baud rate:
where:
Table 11
4.9152-MHz crystal.
Freescale Semiconductor, Inc.
These read/write bits select the SCI baud rate divisor as shown in
Table
f
PD = prescaler divisor
BD = baud rate divisor
Crystal
Serial Communications Interface Module (SCI)
For More Information On This Product,
SCR[2:1:0]
Baud rate
10. Reset clears SCR2–SCR0.
shows the SCI baud rates that can be generated with a
000
001
010
011
100
101
110
111
= crystal frequency
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Table 10. SCI Baud Rate Selection
=
----------------------------------- -
64 PD BD
f
Crystal
Serial Communications Interface Module (SCI)
Baud Rate Divisor (BD)
128
16
32
64
1
2
4
8
MC68HC08AZ60 — Rev 1.0
I/O Registers
209