Renesas H8S/2633 Series Hardware Manual page 765

Table 16-3 BRR Settings for Various Bit Rates (Asynchronous Mode)
ø = 2 MHz
Bit Rate
(bit/s) n
110 1
150 1
300 0
600 0
1200 0
2400 0
4800 0
9600 —
19200 —
31250 0
38400 —
ø = 3.6864 MHz
Bit Rate
(bit/s) n
110 2
150 1
300 1
600 0
1200 0
2400 0
4800 0
9600 0
19200 0
31250 —
38400 0
ø = 2.097152 MHz
Error
N (%) n N
141 0.03 1 148
103 0.16 1 108
207 0.16 0 217
103 0.16 0 108
51 0.16 0 54
25 0.16 0 26
12 0.16 0 13
— — 0 6
— — — —
1 0.00 — —
— — — —
ø = 4 MHz
Error
N (%) n N
64 0.70 2 70
191 0.00 1 207
95 0.00 1 103
191 0.00 0 207
95 0.00 0 103
47 0.00 0 51
23 0.00 0 25
11 0.00 0 12
5 0.00 — —
— — 0 3
2 0.00 — —
ø = 2.4576 MHz
Error Error
(%) n N (%)
–0.04 1 174 –0.26 1
0.21 1 127 0.00
0.21 0 255 0.00
0.21 0 127 0.00
–0.70 0 63 0.00
1.14 0 31 0.00
–2.48 0 15 0.00
–2.48 0 7 0.00
— 0 3 0.00
— — — —
— 0 1 0.00
ø = 4.9152 MHz
Error Error
(%) n N (%)
0.03 2 86 0.31
0.16 1 255 0.00
0.16 1 127 0.00
0.16 0 255 0.00
0.16 0 127 0.00
0.16 0 63 0.00
0.16 0 31 0.00
0.16 0 15 0.00
— 0 7 0.00
0.00 0 4 –1.70 0
— 0 3 0.00
ø = 3 MHz
Error
n N (%)
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
— — —
ø = 5 MHz
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
4 0.00
0 3 1.73
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