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HD6417750 Datasheet, PDF (667/1039 Pages) Renesas Technology Corp – SuperH RISC engine | |||
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Table 15.3 Examples of Bit Rates and SCBRR1 Settings in Asynchronous Mode
Bit Rate
(bits/s) n
110
1
150
1
300
0
600
0
1200
0
2400
0
4800
0
9600
0
19200 0
31250 0
38400 0
2
Error
N (%) n
141 0.03 1
103 0.16 1
207 0.16 0
103 0.16 0
51 0.16 0
25 0.16 0
12 0.16 0
6 â6.99 0
2 8.51 0
1 0.00 0
1 â18.62 0
PÏ (MHz)
2.097152
2.4576
Error
Error
N (%) n N (%) n
148 â0.04 1 174 â0.26 1
108 0.21 1 127 0.00 1
217 0.21 0 255 0.00 1
108 0.21 0 127 0.00 0
54 â0.70 0 63 0.00 0
26 1.14 0 31 0.00 0
13 â2.48 0 15 0.00 0
6 â2.48 0 7 0.00 0
2 13.78 0 3 0.00 0
1 4.86 0 1 22.88 0
1 â14.67 0 1 0.00
3
Error
N (%)
212 0.03
155 0.16
77 0.16
155 0.16
77 0.16
38 0.16
19 â2.34
9
â2.34
4
â2.34
2
0.00
PÏ (MHz)
3.6864
4
4.9152
Bit Rate
(bits/s) n N
Error
(%) n N
Error
(%) n N
Error
(%) n
110
2 64 0.70 2 70 0.03 2 86 0.31 2
150
1 191 0.00 1 207 0.16 1 255 0.00 2
300
1 95 0.00 1 103 0.16 1 127 0.00 1
600
0 191 0.00 0 207 0.16 0 255 0.00 1
1200
0 95 0.00 0 103 0.16 0 127 0.00 0
2400
0 47 0.00 0 51 0.16 0 63 0.00 0
4800
0 23 0.00 0 25 0.16 0 31 0.00 0
9600
0 11 0.00 0 12 0.16 0 15 0.00 0
19200 0 5 0.00 0 6 â6.99 0 7 0.00 0
31250 â â â
0 3 0.00 0 4 â1.70 0
38400 0 2 0.00 0 2 8.51 0 3 0.00 0
Legend
Blank: No setting is available.
â: A setting is available but error occurs.
5
Error
N (%)
88 â0.25
64 0.16
129 0.16
64 0.16
129 0.16
64 0.16
32 â1.36
15 1.73
7
1.73
4
0.00
3
1.73
Rev. 6.0, 07/02, page 615 of 986
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