MC908AP8CFBE Datasheet, PDF (179/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

I/O Registers
Table 11-8 shows the SCI baud rates that can be generated with a 4.9152-MHz bus clock when f_BUS is
selected as SCI clock source.
Table 11-8. SCI Baud Rate Selection Examples
SCP1 and SCP0
00
00
00
00
00
00
00
00
01
01
01
01
01
01
01
01
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
Prescaler
Divisor (PD)
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
13
13
13
13
13
13
13
13
SCR2, SCR1,
and SCR0
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
Baud Rate
Divisor (BD)
1
2
4
8
16
32
64
128
1
2
4
8
16
32
64
128
1
2
4
8
16
32
64
128
1
2
4
8
16
32
64
128
Baud Rate
(f_BUS = 4.9152 MHz)
76,800
38,400
19,200
9600
4800
2400
1200
600
25,600
12,800
6400
3200
1600
800
400
200
19,200
9600
4800
2400
1200
600
300
150
5908
2954
1477
739
369
185
92
46
MC68HC908AP Family Data Sheet, Rev. 4
Freescale Semiconductor
179