Table 14-3 Examples of BRR Settings in Asynchronous Mode (2)
XTAL Frequency (MHz)
4.9152 6 7.3728 8
Bit Error Error Error Error
Rate n N (%) n N (%) n N (%) n N (%)
110 1 174 –0.26 2 52 +0.50 2 64 +0.70 2 70 +0.03
150 1 127 0 1 155 +0.16 1 191 0 1 207 +0.16
300 0 255 0 1 77 +0.16 1 95 0 1 103 +0.16
600 0 127 0 0 155 +0.16 0 191 0 0 207 +0.16
1200 0 63 0 0 77 +0.16 0 95 0 0 103 +0.16
2400 0 31 0 0 38 +0.16 0 47 0 0 51 +0.16
4800 0 15 0 0 19 –2.34 0 23 0 0 25 +0.16
9600 0 7 0 — — — 0 11 0 0 12 +0.16
19200 0 3 0 — — — 0 5 0 — — —
31250 — — — 0 2 0 — — — 0 3 0
38400 0 1 0 — — — 0 2 0 — — —
Table 14-3 Examples of BRR Settings in Asynchronous Mode (3)
XTAL Frequency (MHz)
9.8304 10 12 12.288
Bit Error Error Error Error
Rate n N (%) n N (%) n N (%) n N (%)
110 2 86 +0.31 2 88 –0.25 2 106 –0.44 2 108 +0.08
150 1 255 0 2 64 +0.16 2 77 0 2 79 0
300 1 127 0 1 129 +0.16 1 155 0 1 159 0
600 0 255 0 1 64 +0.16 1 77 0 1 79 0
1200 0 127 0 0 129 +0.16 0 155 +0.16 0 159 0
2400 0 63 0 0 64 +0.16 0 77 +0.16 0 79 0
4800 0 31 0 0 32 –1.36 0 38 +0.16 0 39 0
9600 0 15 0 0 15 +1.73 0 19 –2.34 0 19 0
19200 0 7 0 0 7 +1.73 — — — 0 9 0
31250 0 4 –1.70 0 4 0 0 5 0 0 5 +2.40
38400 0 3 0 0 3 +1.73 — — — 0 4 0
256
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