HD6433694 Datasheet, PDF (217/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Table 14.2 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (1)
Operating Frequency φ (MHz)
2
2.097152
2.4576
Bit Rate
Error
(bits/s) n N (%)
Error
n N (%)
Error
n N (%)
110
1 141 0.03
1 148 –0.04 1 174 –0.26
150
1 103 0.16
1 108 0.21
1 127 0.00
300
0 207 0.16
0 217 0.21
0 255 0.00
600
0 103 0.16
0 108 0.21
0 127 0.00
1200
0 51 0.16
0 54 –0.70 0 63 0.00
2400
0 25 0.16
0 26 1.14
0 31 0.00
4800
0 12 0.16
0 13 –2.48 0 15 0.00
9600
0 6 –6.99 0 6 –2.48 0 7 0.00
19200
0 2 8.51
0 2 13.78 0 3 0.00
31250
0 1 0.00
0 1 4.86
0 1 22.88
38400
0 1 –18.62 0 1 –14.67 0 1 0.00
Legend
 : A setting is available but error occurs
3
Error
n N (%)
1 212 0.03
1 155 0.16
1 77 0.16
0 155 0.16
0 77 0.16
0 38 0.16
0 19 –2.34
0 9 –2.34
0 4 –2.34
0 2 0.00
—— —
3.6864
Bit Rate
Error
(bits/s) n N (%)
110
2 64 0.70
150
1 191 0.00
300
1 95 0.00
600
0 191 0.00
1200
0 95 0.00
2400
0 47 0.00
4800
0 23 0.00
9600
0 11 0.00
19200
0 5 0.00
31250
—— —
38400
0 2 0.00
Operating Frequency φ (MHz)
4
4.9152
Error
n N (%)
Error
n N (%)
2 70 0.03
2 86 0.31
1 207 0.16
1 255 0.00
1 103 0.16
1 127 0.00
0 207 0.16
0 255 0.00
0 103 0.16
0 127 0.00
0 51 0.16
0 63 0.00
0 25 0.16
0 31 0.00
0 12 0.16
0 15 0.00
0 6 –6.99 0 7 0.00
0 3 0.00
0 4 –1.70
0 2 8.51
0 3 0.00
5
Error
n N (%)
2 88 –0.25
2 64 0.16
1 129 0.16
1 64 0.16
0 129 0.16
0 64 0.16
0 32 –1.36
0 15 1.73
0 7 1.73
0 4 0.00
0 3 1.73
Rev. 4.00, 03/04, page 189 of 400