Table 16.4 Maximum Bit Rate For Each Frequency (Asynchronous Mode); Table 16.5 Maximum Bit Rate With External Clock Input (Asynchronous Mode) - Renesas H8S/2158 User Manual

Table 16.4 Maximum Bit Rate for Each 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 15.000
6.144 1.5360
7.3728 1.8432
8 2.0000
Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
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
25 781250
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
25 6.2500
Rev. 3.00 Jan 25, 2006 page 409 of 872
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)
153600
156250
187500
192000
218750
230400
250000
268800
281250
307200
312500
390625
REJ09B0286-0300