Table 16.4 Maximum Bit Rate For Each Operating Frequency (Asynchronous Mode); Table 16.5 Maximum Bit Rate With External Clock Input (Asynchronous Mode) - Renesas H8S/2437 Hardware Manual

Table 16.4 Maximum Bit Rate for Each Operating Frequency (Asynchronous Mode)

Maximum
Bit Rate
φ φ φ φ (MHz)
(bit/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

Table 16.5 Maximum Bit Rate with External Clock Input (Asynchronous Mode)

External Input
φ φ φ φ (MHz)
Clock (MHz)
2 0.5000
2.097152 0.5243
2.4576 0.6144
3 0.7500
3.6864 0.9216
4 1.0000
4.9152 1.2288
5 1.2500
6 1.5000
6.144 1.5360
7.3728 1.8432
8 2.0000
Rev. 1.00, 09/03, page 440 of 704
n N
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
Maximum Bit
Rate (bit/s)
31250
32768
38400
46875
57600
62500
76800
78125
93750
96000
115200
125000
Maximum
Bit Rate
φ φ φ φ (MHz)
(bit/s)
9.8304 307200
10 312500
12 375000
12.288 384000
14 437500
14.7456 460800
16 500000
17.2032 537600
18 562500
19.6608 614400
20 625000
External Input
φ φ φ φ (MHz)
Clock (MHz)
9.8304 2.4576
10 2.5000
12 3.0000
12.288 3.0720
14 3.5000
14.7456 3.6864
16 4.0000
17.2032 4.3008
18 4.5000
19.6608 4.9152
20 5.0000
n N
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
Maximum Bit
Rate (bit/s)
153600
156250
187500
192000
218750
230400
250000
268800
281250
307200
312500