MC68HC05C8A Datasheet, PDF (58/116 Pages) Motorola, Inc – Microcontrollers

Serial Communications Interface (SCI)
SCP[1:0]
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
Table 9-3. Baud Rate Selection Examples
SCR
[2:1:0]
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
f_OSC = 2 MHz
62.50 kBaud
31.25 kBaud
15.63 kBaud
7813 Baud
3906 Baud
1953 Baud
976.6 Baud
488.3 Baud
20.83 kBaud
10.42 kBaud
5208 Baud
2604 Baud
1302 Baud
651.0 Baud
325.5 Baud
162.8 Baud
15.63 kBaud
7813 Baud
3906 Baud
1953 Baud
976.6 Baud
488.3 Baud
244.1 Baud
122.1 Baud
4808 Baud
2404 Baud
1202 Baud
601.0 Baud
300.5 Baud
150.2 Baud
75.12 Baud
37.56 Baud
SCI Baud Rate
f_OSC = 4 MHz
f_OSC = 4.194304 MHz
125 kBaud
131.1 kBaud
62.50 kBaud
65.54 kBaud
31.25 kBaud
32.77 kBaud
15.63 kBaud
16.38 kBaud
7813 Baud
8192 Baud
3906 Baud
4096 Baud
1953 Baud
2048 Baud
976.6 Baud
1024 Baud
41.67 kBaud
43.69 kBaud
20.83 kBaud
21.85 kBaud
10.42 kBaud
10.92 kBaud
5208 Baud
5461 Baud
2604 Baud
2731 Baud
1302 Baud
1365 Baud
651.0 Baud
682.7 Baud
325.5 Baud
341.3 Baud
31.25 kBaud
32.77 kBaud
15.63 kBaud
16.38 kBaud
7813 Baud
8192 Baud
3906 Baud
4906 Baud
1953 Baud
2048 Baud
976.6 Baud
1024 Baud
488.3 Baud
512.0 Baud
244.1 Baud
256.0 Baud
9615 Baud
10.08 kBaud
4808 Baud
5041 Baud
2404 Baud
2521 Baud
1202 Baud
1260 Baud
601.0 Baud
630.2 Baud
300.5 Baud
315.1 Baud
150.2 Baud
157.5 Baud
75.12 Baud
78.77 Baud
MC68HC05C8A • MC68HCL05C8A • MC68HSC05C8A Data Sheet, Rev. 5.1
58
Freescale Semiconductor