MC68HC08AB16A Datasheet, PDF (267/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Serial Communications Interface Module (SCI)
I/O Registers
15.9.7 SCI Baud Rate Register
The baud rate register (SCBR) selects the baud rate for both the receiver
and the transmitter.
Address: $0019
Bit 7
6
5
4
3
2
1
Read:
Write:
SCP1 SCP0
R
SCR2 SCR1
Reset: 0
0
0
0
0
0
0
= Unimplemented
R = Reserved
Figure 15-16. 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 15-6. Reset clears SCP1 and SCP0.
Table 15-6. 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 15-7. Reset clears SCR2–SCR0.
MC68HC08AB16A — Rev. 2.0
MOTOROLA
Serial Communications Interface Module (SCI)
For More Information On This Product,
Go to: www.freescale.com
Technical Data
267