237
3. The error values in table 10.6 were derived by performing the following calculation and
rounding off to two decimal places.
Error (%) =
×
100
B – R
R
B: Bit rate found from n, N, and OSC
R: Bit rate listed in left column of table 10.6
Table 10.8 shows the maximum bit rate for selected frequencies in asynchronous mode.
Values in table 10.8 are for active (high-speed) mode.
Table 10.8
Maximum Bit Rate at Selected Frequencies (Asynchronous Mode)
Setting
OSC (MHz)
Maximum Bit Rate (bits/s)
n
N
2
31250
0
0
2.4576
38400
0
0
4
62500
0
0
4.194304
65536
0
0
4.9152
76800
0
0
6
93750
0
0
7.3728
115200
0
0
8
125000
0
0
9.8304
153600
0
0
10
156250
0
0
Table 10.9 shows typical BRR settings in synchronous mode. Values in table 10.9 are for active
(high-speed) mode.