MC68HC08AZ32A Datasheet, PDF (223/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Serial Communications Interface (SCI)
I/O Registers
15.9.7 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
R
SCR2 SCR1
Reset: 0
0
0
0
0
0
0
= Unimplemented
R = Reserved
Figure 15-18. 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 15-9. Reset clears SCP1 and SCP0.
Table 15-9. SCI Baud Rate Prescaling
SCP[1:0]
00
01
10
11
Prescaler Divisor (PD)
1
3
4
13
MC68HC08AZ32A — Rev 1.0
MOTOROLA
Serial Communications Interface (SCI)
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Technical Data
223