Renesas SH7641 User Manual
Page 758
Section 19 Serial Communication Interface with FIFO (SCIF)
Rev. 4.00 Sep. 14, 2005 Page 708 of 982
REJ09B0023-0400
Table 19.3 lists examples of SCBRR settings in asynchronous mode, and table 19.4 lists examples
of SCBRR settings in synchronous mode.
Table 19.3 Bit Rates and SCBRR Settings in Asynchronous Mode
P
φ
(MHz)
5
6
6.144
Bit Rate (bits/s) n
N
Error (
%
) n
N
Error
(
%
) n N Error
(
%
)
110 2
88
−0.25 2 106 −0.44 2 108
0.08
150
2
64 0.16 2 77 0.16 2 79
0.00
300
1 129 0.16 1 155 0.16 1 159
0.00
600
1
64 0.16 1 77 0.16 1 79
0.00
1200
0 129 0.16 0 155 0.16 0 159
0.00
2400
0
64 0.16 0 77 0.16 0 79
0.00
4800 0
32
−1.36 0 38 0.16 0 39 0.00
9600
0
15 1.73 0 19
−2.34 0 19 0.00
19200 0
7
1.73
0
9
−2.34 0 9 0.00
31250
0
4 0.00 0
5 0.00 0
5
2.40
38400 0
3
1.73
0
4
−2.34 0 4 0.00
P
φ
(MHz)
7.3728
8
9.8304
Bit Rate (bits/s) n
N
Error (
%
) n
N
Error
(
%
) n N Error
(
%
)
110
2 130 –0.07 2 141 0.03 2 174
–0.26
150
2
95 0.00 2 103
0.16 2 127
0.00
300
1 191 0.00 1 207 0.16 1 255
0.00
600
1
95 0.00 1 103
0.16 1 127
0.00
1200
0 191 0.00 0 207 0.16 0 255
0.00
2400
0
95 0.00 0 103
0.16 0 127
0.00
4800
0
47 0.00 0 51 0.16 0 63
0.00
9600
0
23 0.00 0 25 0.16 0 31
0.00
19200
0
11 0.00 0 12 0.16 0 15
0.00
31250
0
6 5.33 0
7 0.00 0
9
–1.70
38400
0
5 0.00 0
6 –6.99
0
7
0.00