MC68HC908GP20 Datasheet, PDF (284/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

18.9.7 SCI Baud Rate Register
The baud rate register (SCBR) selects the baud rate for both the receiver
and the transmitter.
Address:
Read:
Write:
Reset:
$0019
Bit 7
0
6
5
SCP1
0
0
= Unimplemented
4
SCP0
0
3
2
1
R
SCR2 SCR1
0
0
0
R = Reserved
Figure 18-16. SCI Baud Rate Register (SCBR)
Bit 0
SCR0
0
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.
Table 18-6. SCI Baud Rate Prescaling
SCP1 and SCP0
00
01
10
11
Prescaler Divisor (PD)
1
3
4
13
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.
Advance Information
284
MC68HC908GP20 — Rev 2.1
Freescale Semiconductor