Datasheet

Serial Communications Interface (SCI)
Technical Data MC68HC908GR8 — Rev 4.0
266 Serial Communications Interface (SCI) MOTOROLA
SCP1 and SCP0 — SCI Baud Rate Prescaler Bits
These read/write bits select the baud rate prescaler divisor as shown
in Table 18-6. Reset clears SCP1 and SCP0.
SCR2–SCR0 — SCI Baud Rate Select Bits
These read/write bits select the SCI baud rate divisor as shown in
Table 18-7. Reset clears SCR2–SCR0.
Table 18-6. SCI Baud Rate Prescaling
SCP1 and SCP0 Prescaler Divisor (PD)
00 1
01 3
10 4
11 13
Table 18-7. SCI Baud Rate Selection
SCR2, SCR1,
and SCR0
Baud Rate
Divisor (BD)
000 1
001 2
010 4
011 8
100 16
101 32
110 64
111 128
Frees
cale Semiconductor,
I
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