Hitachi H8/3048 Hardware Manual page 472

Table 13-5 indicates the maximum bit rates in asynchronous mode for various system clock
frequencies. Tables 13-6 and 13-7 indicate the maximum bit rates with external clock input.
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Table 13-5 Maximum Bit Rates for Various Frequencies (Asynchronous Mode)
ø (MHz) Maximum Bit Rate (bits/s)
2 62500
2.097152 65536
2.4576 76800
3 93750
3.6864 115200
4 125000
4.9152 153600
5 156250
6 187500
6.144 192000
7.3728 230400
8 250000
9.8304 307200
10 312500
12 375000
12.288 384000
14 437500
14.7456 460800
16 500000
17.2032 537600
18 562500
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