Renesas Hitachi H8S/2194 Series Hardware Manual page 490

Table 23.6 Maximum Bit Rate with External Clock Input (Asynchronous Mode)
φ (MHz)
2
2.097152
2.4576
3
3.6864
4
4.9152
5
6
6.144
7.3728
8
9.8304
10
Table 23.7 Maximum Bit Rate with External Clock Input (Clock Synchronous Mode)
φ (MHz)
2
4
6
8
10
External Input Clock (MHz)
0.5000
0.5243
0.6144
0.7500
0.9216
1.0000
1.2288
1.2500
1.5000
1.5360
1.8432
2.0000
2.4576
2.5000
External Input Clock (MHz)
0.3333
0.6667
1.0000
1.3333
1.6667
Maximum Bit Rate (bits/s)
31250
32768
38400
46875
57600
62500
76800
78125
83750
96000
115200
125000
153600
156250
Maximum Bit Rate (bits/s)
333333.3
666666.7
1000000.0
1333333.3
1666666.7
Rev. 2.0, 11/00, page 463 of 1037