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