SH7144 Datasheet, PDF (414/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

Table 13.3 BRR Settings for Various Bit Rates (Asynchronous Mode) (1)
Logical
Bit Rate
(bit/s) n
110
1
150
1
300
1
600
1
1200
1
2400
0
4800
0
9600
0
14400 0
19200 0
28800 0
31250 0
38400 0
4
Error
N (%)
140 0.74
103 0.16
51 0.16
25 0.16
12 0.16
51 0.16
25 0.16
12 0.16
8 –3.55
6 –6.99
3 8.51
3 0.00
2 8.51
Operating Frequency Pφ (MHz)
6
8
10
nN
Error
(%)
nN
Error
(%)
nN
Error
(%)
1 212 0.03 2 70 0.03 2 88 –0.25
1 155 0.16 2 51 0.16 2 64 0.16
1 77 0.16 2 25 0.16 1 129 0.16
1 38 0.16 2 12 0.16 1 64 0.16
0 155 0.16 1 25 0.16 1 32 –1.36
0 77 0.16 1 12 0.16 0 129 0.16
0 38 0.16 0 51 0.16 0 64 0.16
0 19 –2.34 0 25 0.16 0 32 –1.36
0 12 0.16 0 16 2.12 0 21 –1.36
0 9 –2.34 0 12 0.16 0 15 1.73
0 6 –6.99 0 8 –3.55 0 10 –1.36
0 5 0.00 0 7 0.00 0 9 0.00
0 4 –2.34 0 6 –6.99 0 7 1.73
12
nN
Error
(%)
2 106 –0.44
2 77 0.16
2 38 0.16
1 77 0.16
1 38 0.16
0 155 0.16
0 77 0.16
0 38 0.16
0 25 0.16
0 19 –2.34
0 12 0.16
0 11 0.00
0 9 –2.34
Table 13.3 BRR Settings for Various Bit Rates (Asynchronous Mode) (2)
Logical
Bit Rate
(bit/s) n
110
2
150
2
300
2
600
2
1200
1
2400
1
4800
0
9600
0
14400 0
19200 0
28800 0
31250 0
38400 0
14
Error
N (%)
123 0.23
90 0.16
45 –0.93
22 –0.93
45 –0.93
22 –0.93
90 0.16
45 –0.93
29 1.27
22 –0.93
14 1.27
13 0.00
10 3.57
Operating Frequency Pφ (MHz)
16
18
20
nN
Error
(%)
nN
Error
(%)
nN
Error
(%)
2 141 0.03 2 159 –0.12 2 177 –0.25
2 103 0.16 2 116 0.16 2 129 0.16
2 51 0.16 2 58 –0.69 2 64 0.16
1 103 0.16 1 116 0.16 1 129 0.16
1 51 0.16 1 58 –0.69 1 64 0.16
0 207 0.16 0 233 0.16 1 32 –1.36
0 103 0.16 0 116 0.16 0 129 0.16
0 51 0.16 0 58 –0.69 0 64 0.16
0 34 –0.79 0 38 0.16 0 42 0.94
0 25 0.16 0 28 1.02 0 32 –1.36
0 16 2.12 0 19 –2.34 0 21 –1.36
0 15 0.00 0 17 0.00 0 19 0.00
0 12 0.16 0 14 –2.34 0 15 1.73
22
nN
Error
(%)
2 194 0.16
2 142 0.16
2 71 –0.54
1 142 0.16
1 71 –0.54
1 35 –0.54
0 142 0.16
0 71 –0.54
0 47 –0.54
0 35 –0.54
0 23 –0.54
0 21 0.00
0 17 –0.54
Rev. 2.0, 09/02, page 374 of 732