mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 315

• Manufacturer Part Number: mc68hc708mp16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC708MP16
Freescale Semiconductor
—
Rev. 3.1
SCR2–SCR0 — SCI Baud Rate Select Bits
Use this formula to calculate the SCI baud rate:
where:
Table 14-7
4.9152-MHz crystal.
These read/write bits select the SCI baud rate divisor as shown in
Table
f
PD = prescaler divisor
BD = baud rate divisor
Bus
Serial Communications Interface Module (SCI)
= bus frequency
Baud rate
14-6. Reset clears SCR2–SCR0.
shows the SCI baud rates that can be generated with a
SCR2:SCR1:SCR0
Table 14-5. SCI Baud Rate Prescaling
Table 14-6. SCI Baud Rate Selection
SCP1:SCP0
=
000
001
010
011
100
101
110
111
00
01
10
11
----------------------------------- -
64 PD BD
×
f Bus
×
Serial Communications Interface Module (SCI)
Baud Rate Divisor (BD)
Prescaler Divisor (PD)
128
13
16
32
64
1
3
4
1
2
4
8
Technical Data
315