MC68HC08AS20 Datasheet, PDF (268/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

17.9.7 SCI Baud Rate Register
The baud rate register selects the baud rate for both the receiver and the
transmitter.
Address: $0019
Bit 7
6
5
4
3
2
1
Read: 0
Write:
0
SCP1 SCP0
SCR2 SCR1
Reset: 0
0
0
0
0
0
0
= Unimplemented
Figure 17-13. 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 17-8. Reset clears SCP1 and SCP0.
Table 17-8. SCI Baud Rate Prescaling
SCP1: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 17-9. Reset clears SCR2:SCR0.
Advance Information
268
MC68HC08AS20 —Rev. 4.1
Freescale Semiconductor