MC68HC705C Motorola, MC68HC705C Datasheet - Page 136

• Manufacturer Part Number: MC68HC705C
• Description: HCMOS Microcontroller Unit
• Manufacturer: Motorola

Serial Communications Interface (SCI)
Technical Data
136
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
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
Serial Communications Interface (SCI)
Table 10-3. Baud Rate Selection Examples
f
62.50 Kbaud
31.25 Kbaud
15.63 Kbaud
20.83 Kbaud
10.42 Kbaud
15.63 Kbaud
OSC
976.6 baud
488.3 baud
651.0 baud
325.5 baud
162.8 baud
976.6 baud
488.3 baud
244.1 baud
122.1 baud
601.0 baud
300.5 baud
150.2 baud
75.12 baud
37.56 baud
7813 baud
3906 baud
1953 baud
5208 baud
2604 baud
1302 baud
7813 baud
3906 baud
1953 baud
4808 baud
2404 baud
1202 baud
= 2 MHz
f
62.50 Kbaud
31.25 Kbaud
15.63 Kbaud
41.67 Kbaud
20.83 Kbaud
10.42 Kbaud
31.25 Kbaud
15.63 Kbaud
OSC
976.6 baud
651.0 baud
325.5 baud
976.6 baud
488.3 baud
244.1 baud
601.0 baud
300.5 baud
150.2 baud
75.12 baud
125 Kbaud
7813 baud
3906 baud
1953 baud
5208 baud
2604 baud
1302 baud
7813 baud
3906 baud
1953 baud
9615 baud
4808 baud
2404 baud
1202 baud
SCI Baud Rate
= 4 MHz
MC68HC705C8A — Rev. 2.0
f
OSC
131.1 Kbaud
65.54 Kbaud
32.77 Kbaud
16.38 Kbaud
43.69 Kbaud
21.85 Kbaud
10.92 Kbaud
32.77 Kbaud
16.38 Kbaud
10.08 Kbaud
= 4.194304 MHz
682.7 baud
341.3 baud
512.0 baud
256.0 baud
630.2 baud
315.1 baud
157.5 baud
78.77 baud
8192 baud
4096 baud
2048 baud
1024 baud
5461 baud
2731 baud
1365 baud
8192 baud
4906 baud
2048 baud
1024 baud
5041 baud
2521 baud
1260 baud
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