SH7058 Datasheet, PDF (525/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

Table 15.4 Bit Rates and BRR Settings in Synchronous Mode
Pφ (MHz)
Bit Rate
(Bits/s)
10
n
N
12
n
N
16
n
N
250
–
–
3
187
3
249
500
–
–
3
93
3
124
1k
–
–
2
187
2
249
2.5 k
1
249
2
74
2
99
5k
1
124
1
149
1
199
10 k
0
249
1
74
1
99
25 k
0
99
0
119
0
159
50 k
0
49
0
59
0
79
100 k
0
24
0
29
0
39
250 k
0
9
0
11
0
15
500 k
0
4
0
5
0
7
1M
0
2
0
3
2.5 M
0
0*
0
0*
–
–
5M
Note: Settings with an error of 1% or less are recommended.
Legend
Blank: No setting available
–: Setting possible, but error occurs
*: Continuous transmission/reception not possible
The BRR setting is calculated as follows:
Asynchronous mode:
N=
Pφ
64 • 2^2n–1 • B
• 10⁶ – 1
Synchronous mode:
N=
P_φ
• 10⁶ – 1
8 • 2^2n–1 • B
20
n
N
–
–
–
–
2
124
2
249
1
124
1
199
0
99
0
49
0
19
0
9
0
4
0
1
0
0*
Rev. 3.0, 09/04, page 484 of 1086