HD64F3670 Datasheet, PDF (191/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Table 13.2 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (3)
Operating Frequency ø (MHz)
14
14.7456
Bit Rate
Error
Error
(bit/s) n N (%) n N (%) n
110
2 248 –0.17 3 64 0.70 3
150
2 181 0.16 2 191 0.00 2
300
2 90 0.16 2 95 0.00 2
600
1 181 0.16 1 191 0.00 1
1200
1 90 0.16 1 95 0.00 1
2400
0 181 0.16 0 191 0.00 0
4800
0 90 0.16 0 95 0.00 0
9600
0 45 –0.93 0 47 0.00 0
19200 0 22 –0.93 0 23 0.00 0
31250 0 13 0.00 0 14 –1.70 0
38400 — — —
0
11 0.00 0
Legend
—: A setting is available but error occurs.
16
Error
N (%)
70 0.03
207 0.16
103 0.16
207 0.16
103 0.16
207 0.16
103 0.16
51 0.16
25 0.16
15 0.00
12 0.16
Table 13.3 Maximum Bit Rate for Each Frequency (Asynchronous Mode)
Maximum Bit
ø (MHz) Rate (bit/s) n
N
2
62500
0
0
2.097152 65536
0
0
2.4576 76800
0
0
3
93750
0
0
3.6864 115200
0
0
4
125000
0
0
4.9152 153600
0
0
5
156250
0
0
6
187500
0
0
6.144
192000
0
0
Maximum Bit
ø (MHz) Rate (bit/s) n
N
7.3728 230400
0
0
8
250000
0
0
9.8304 307200
0
0
10
312500
0
0
12
375000
0
0
12.288 384000
0
0
14
437500
0
0
14.7456 460800
0
0
16
500000
0
0
Rev. 2.0, 03/02, page 167 of 298