MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 285

• Manufacturer Part Number: MC68HC908AP16CFA
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

14.10.7 IRSCI Baud Rate Register
MC68HC908AP Family — Rev. 2.5
MOTOROLA
Address:
The baud rate register selects the baud rate for both the receiver and the
transmitter.
CKS — Baud Clock Input Select
SCP1 and SCP0 — SCI Baud Rate Prescaler Bits
SCR2–SCR0 — SCI Baud Rate Select Bits
Reset:
Read:
Write:
This read/write bit selects the source clock for the baud rate
generator. Reset clears the CKS bit, selecting CGMXCLK.
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
Freescale Semiconductor, Inc.
For More Information On This Product,
Table
1 = Bus clock drives the baud rate generator
0 = CGMXCLK drives the baud rate generator
$0046
Figure 14-19. IRSCI Baud Rate Register (IRSCBR)
Bit 7
CKS
14-8. Reset clears SCR2–SCR0.
0
SCP1 and SCP0
14-7. Reset clears SCP1 and SCP0.
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= Unimplemented
Table 14-7. SCI Baud Rate Prescaling
00
01
10
11
6
0
0
Infrared Serial Communications Interface Module (IRSCI)
SCP1
5
0
SCP0
4
0
Prescaler Divisor (PD)
R
R
3
0
= Reserved
13
1
3
4
SCR2
2
0
SCR1
1
0
I/O Registers
Data Sheet
SCR0
Bit 0
0
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