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Rev. 1.0, 07/01, page 191 of 372
Table 14-2 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (1)
Operating Frequency ø (MHz)
2 2.097152 2.4576 3
Bit Rate
(bits/s) n N
Error
(%) n N
Error
(%) n N
Error
(%) n N
Error
(%)
110 1 141 0.03 1 148 –0.04 1 174 –0.26 1 212 0.03
150 1 103 0.16 1 108 0.21 1 127 0.00 1 155 0.16
300 0 207 0.16 0 217 0.21 0 255 0.00 1 77 0.16
600 0 103 0.16 0 108 0.21 0 127 0.00 0 155 0.16
1200 0 51 0.16 0 54 –0.70 0 63 0.00 0 77 0.16
2400 0 25 0.16 0 26 1.14 0 31 0.00 0 38 0.16
4800 0 12 0.16 0 13 –2.48 0 15 0.00 0 19 –2.34
9600 0 6 –6.99 0 6 –2.48 0 7 0.00 0 9 –2.34
19200 0 2 8.51 0 2 13.78 0 3 0.00 0 4 –2.34
31250 0 1 0.00 0 1 4.86 0 1 22.88 0 2 0.00
38400 0 1 –18.62 0 1 –14.67 0 1 0.00 — — —
Operating Frequency ø (MHz)
3.6864 4 4.9152 5
Bit Rate
(bits/s) n N
Error
(%) n N
Error
(%) n N
Error
(%) n N
Error
(%)
110 2 64 0.70 2 70 0.03 2 86 0.31 2 88 –0.25
150 1 191 0.00 1 207 0.16 1 255 0.00 2 64 0.16
300 1 95 0.00 1 103 0.16 1 127 0.00 1 129 0.16
600 0 191 0.00 0 207 0.16 0 255 0.00 1 64 0.16
1200 0 95 0.00 0 103 0.16 0 127 0.00 0 129 0.16
2400 0 47 0.00 0 51 0.16 0 63 0.00 0 64 0.16
4800 0 23 0.00 0 25 0.16 0 31 0.00 0 32 –1.36
9600 0 11 0.00 0 12 0.16 0 15 0.00 0 15 1.73
19200 0 5 0.00 0 6 –6.99 0 7 0.00 0 7 1.73
31250 — — — 0 3 0.00 0 4 –1.70 0 4 0.00
38400 0 2 0.00 0 2 8.51 0 3 0.00 0 3 1.73
Legend
: A setting is available but error occurs