MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 205

• Manufacturer Part Number: MC68HC908JL8
• Description: Motorola reserves the right to make changes without further notice to any products herein
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC908JL8
MOTOROLA
—
Rev. 2.0
SCR2–SCR0 — SCI Baud Rate Select Bits
Use this formula to calculate the SCI baud rate:
where:
Table 11-8
4.9152MHz OSCOUT clock.
These read/write bits select the SCI baud rate divisor as shown in
Table
SCI clock source = OSCOUT
PD = prescaler divisor
BD = baud rate divisor
Freescale Semiconductor, Inc.
For More Information On This Product,
Serial Communications Interface (SCI)
11-7. Reset clears SCR2–SCR0.
SCR2, SCR1, and SCR0
SCP1 and SCP0
shows the SCI baud rates that can be generated with a
Go to: www.freescale.com
baud rate
Table 11-6. SCI Baud Rate Prescaling
Table 11-7. SCI Baud Rate Selection
00
01
10
11
000
001
010
011
100
101
110
111
=
SCI clock source
-------------------------------------------- -
64 PD BD
×
×
Prescaler Divisor (PD)
Serial Communications Interface (SCI)
Baud Rate Divisor (BD)
13
1
3
4
128
16
32
64
1
2
4
8
Technical Data
I/O Registers
205