452
Table 14.4 lists examples of SCBRR settings in asynchronous mode, and table 14.5 lists examples
of SCBRR settings in synchronous mode.
Table 14.4
Bit Rates and SCBRR Settings in Asynchronous Mode
P
φ
(MHz)
2
2.097152
2.4576
Bit Rate (bits/s) n
N
Error (
%
) n
N
Error (
%
) n
N
Error (
%
)
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
P
φ
(MHz)
3
3.6864
4
Bit Rate (bits/s) n
N
Error (
%
) n
N
Error (
%
) n
N
Error (
%
)
110
1
212
0.03
2
64
0.70
2
70
0.03
150
1
155
0.16
1
191
0.00
1
207
0.16
300
1
77
0.16
1
95
0.00
1
103
0.16
600
0
155
0.16
0
191
0.00
0
207
0.16
1200
0
77
0.16
0
95
0.00
0
103
0.16
2400
0
38
0.16
0
47
0.00
0
51
0.16
4800
0
19
–2.34
0
23
0.00
0
25
0.16
9600
0
9
–2.34
0
11
0.00
0
12
0.16
19200
0
4
–2.34
0
5
0.00
0
6
–6.99
31250
0
2
0.00
—
—
—
0
3
0.00
38400
—
—
—
0
2
0.00
0
2
8.51
Содержание SH7709S
Страница 2: ...Hitachi SuperH RISC engine SH7709S Hardware Manual ADE 602 250 Rev 1 0 09 21 01 Hitachi Ltd ...
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Страница 292: ...273 T1 CKIO A25 to A0 CSn RD WR RD D31 to D0 WEn D31 to D0 BS T2 Read Write Figure 10 6 Basic Timing of Basic Interface ...
Страница 323: ...304 Tp TRr TRrw TRrw CKIO CKE CSn RAS3U RAS3L CASU CASL RD WR Figure 10 28 Synchronous DRAM Auto Refresh Timing ...
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