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15.9.7 SCI Baud Rate Register
MC68HC908AB32
Rev. 1.0
—
MOTOROLA
The baud rate register (SCBR) selects the baud rate for both the receiver
and the transmitter.
Address:
$0019
Bit 7
6
Read:
Write:
Reset:
0
0
= Unimplemented
Figure 15-16. SCI Baud Rate Register (SCBR)
SCP1 and SCP0 — SCI Baud Rate Prescaler Bits
These read/write bits select the baud rate prescaler divisor as shown
in
Table
15-6. Reset clears SCP1 and SCP0.
Table 15-6. SCI Baud Rate Prescaling
SCP1 and SCP0
00
01
10
11
SCR2–SCR0 — SCI Baud Rate Select Bits
These read/write bits select the SCI baud rate divisor as shown in
Table
15-7. Reset clears SCR2–SCR0.
Serial Communications Interface Module (SCI)
Serial Communications Interface Module (SCI)
5
4
3
SCP1
SCP0
R
0
0
0
R
Prescaler Divisor (PD)
I/O Registers
2
1
Bit 0
SCR2
SCR1
SCR0
0
0
= Reserved
1
3
4
13
Technical Data
0
275
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