Datasheet

Rev. 3.00, 03/04, page 371 of 830
Table 14.3 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (2)
Operating Frequency φ (MHz)
14 14.7456 16 17.2032
Bit Rate
(bit/s) n N
Error
(%) n N
Error
(%) n N
Error
(%) n N
Error
(%)
110 2 248 –0.17 3 64 0.70 3 70 0.03 3 75 0.48
150 2 181 0.16 2 191 0.00 2 207 0.16 2 223 0.00
300 2 90 0.16 2 95 0.00 2 103 0.16 2 111 0.00
600 1 181 0.16 1 191 0.00 1 207 0.16 1 223 0.00
1200 1 90 0.16 1 95 0.00 1 103 0.16 1 111 0.00
2400 0 181 0.16 0 191 0.00 0 207 0.16 0 223 0.00
4800 0 90 0.16 0 95 0.00 0 103 0.16 0 111 0.00
9600 0 45 –0.93 0 47 0.00 0 51 0.16 0 55 0.00
19200 0 22 –0.93 0 23 0.00 0 25 0.16 0 27 0.00
31250 0 13 0.00 0 14 –1.70 0 15 0.00 0 16 1.20
38400    0 11 0.00 0 12 0.16 0 16 0.00
Operating Frequency φ (MHz)
18 19.6608 20 25 33
Bit Rate
(bit/s) n N
Error
(%) n N
Error
(%) n N
Error
(%) n N
Error
(%) n N
Error
(%)
110 3 79 –0.12 3 86 0.31 3 88 –0.25 3 110 –0.02 3 145 0.33
150 2 233 0.16 2 255 0.00 3 64 0.16 3 80 –0.47 3 106 0.39
300 2 116 0.16 2 127 0.00 2 129 0.16 2 162 0.15 2 214 –0.07
600 1 233 0.16 1 255 0.00 2 64 0.16 2 80 –0.47 2 106 0.39
1200 1 116 0.16 1 127 0.00 1 129 0.16 1 162 0.15 1 214 –0.07
2400 0 233 0.16 0 255 0.00 1 64 0.16 1 80 –0.47 1 106 0.39
4800 0 116 0.16 0 127 0.00 0 129 0.16 0 162 0.15 0 214 –0.07
9600 0 58 –0.69 0 63 0.00 0 64 0.16 0 80 –0.47 0 106 0.39
19200 0 28 1.02 0 31 0.00 0 32 –1.36 0 40 –0.76 0 53 –0.54
31250 0 17 0.00 0 19 –1.70 0 19 0.00 0 24 0.00 0 32 0.00
38400 0 14 –2.34 0 15 0.00 0 15 1.73 0 19 1.73 0 26 –0.54
[Legend]
: Can be set, but there will be a degree of error.
Note: * Make the settings so that the error does not exceed 1%.