D12320VF25V Datasheet, PDF (487/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 12 Serial Communication Interface (SCI)
Table 12.4 BRR Settings for Various Bit Rates (Synchronous Mode)
φ = 2 MHz
Bit Rate
(bits/s) ⁿ
N
φ = 4 MHz φ = 8 MHz φ = 10 MHz φ = 16 MHz φ = 20 MHz φ = 25 MHz
nN
n
Nn
Nn
N
n
Nn
N
110 3
70
250 2
124 2 249 3
124 — — 3
249
500 1
249 2 124 2
249 — — 3
124 — —
1k
1
124 1 249 2
124 — — 2
249 — — 3
97
2.5 k 0
199 1 99 1
199 1
249 2
99 2
124 2
155
5k
0
99 0 199 1
99 1
124 1
199 1
249 2
77
10 k 0
49 0 99 0
199 0
249 1
99 1
124 1
155
25 k 0
19 0 39 0
79 0
99 0
159 0
199 0
249
50 k 0
9
0 19 0
39 0
49 0
79 0
99 0
124
100 k 0
4
09
0
19 0
24 0
39 0
49 0
62
250 k 0
1
03
0
7
0
9
0
15 0
19 0
24
500 k 0
0^*
01
0
3
0
4
0
7
0
9
——
1M
0 0^* 0
1
0
3
0
4
——
2.5 M
0
0^*
0
1
——
5M
0
0^* — —
Legend:
Blank : Cannot be set.
— : Can be set, but there will be a degree of error.
* : Continuous transfer is not possible.
Note: As far as possible, the setting should be made so that the error is no more than 1%.
Rev.7.00 Feb. 14, 2007 page 453 of 1108
REJ09B0089-0700