HD64F2149 Datasheet, PDF (466/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 15.6 Maximum Bit Rate with External Clock Input (Asynchronous Mode)
ø (MHz)
External Input Clock (MHz)
Maximum Bit Rate (bits/s)
2
0.5000
31250
2.097152
0.5243
32768
2.4576
0.6144
38400
3
0.7500
46875
3.6864
0.9216
57600
4
1.0000
62500
4.9152
1.2288
76800
5
1.2500
78125
6
1.5000
93750
6.144
1.5360
96000
7.3728
1.8432
115200
8
2.0000
125000
9.8304
2.4576
153600
10
2.5000
156250
Note: Maximum operating frequency of H8S/2169 and H8S/2149 is 10 MHz.
Table 15.7 Maximum Bit Rate with External Clock Input (Synchronous Mode)
ø (MHz)
External Input Clock (MHz)
Maximum Bit Rate (bits/s)
2
0.3333
333333.3
4
0.6667
666666.7
6
1.0000
1000000.0
8
1.3333
1333333.3
10
1.6667
1666666.7
Note: Maximum operating frequency of H8S/2169 and H8S/2149 is 10 MHz.
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