MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 280

• Manufacturer Part Number: MC68HC708AS48
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Serial Communications Interface (SCI)
17.9.7 SCI Baud Rate Register
Advance Information
280
Address:
The baud rate register selects the baud rate for both the receiver and the
transmitter.
SCP1 and SCP0 — SCI Baud Rate Prescaler Bits
SCR2:SCR0 — SCI Baud Rate Select Bits
Reset:
Read:
Write:
These read/write bits select the baud rate prescaler divisor as shown
in
These read/write bits select the SCI baud rate divisor as shown in
Table
Table
Serial Communications Interface (SCI)
$0019
Bit 7
Figure 17-16. SCI BAUD Rate Register 1 (SCBR)
17-6. Reset clears SCR2:SCR0.
R
R
0
17-5. Reset clears SCP1 and SCP0.
= Reserved
Table 17-5. SCI Baud Rate Prescaling
SCP1:SCP0
R
6
0
00
01
10
11
SCP1
5
0
SCP0
4
0
Prescaler Divisor (PD)
R
3
0
MC68HC708AS48
13
1
3
4
SCR2
2
0
SCR1
1
0
MOTOROLA
—
Rev. 4.0
SCR0
Bit 0
0