HD6413007F20 Datasheet, PDF (482/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

13. Serial Communication Interface
Table 13.5 shows the maximum bit rates in asynchronous mode for various system clock
frequencies. Table 13.6 and 13.7 shows the maximum bit rates with external clock input.
Table 13.5 Maximum Bit Rates for Various Frequencies (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
12
12.288
14
14.7456
16
17.2032
18
20
Maximum Bit Rate (bit/s)
n
62500
0
65536
0
76800
0
93750
0
115200
0
125000
0
153600
0
156250
0
187500
0
192000
0
230400
0
250000
0
307200
0
312500
0
375000
0
384000
0
437500
0
460800
0
500000
0
537600
0
562500
0
625000
0
Settings
N
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Rev.5.00 Sep. 12, 2007 Page 452 of 764
REJ09B0396-0500