Datasheet

Section 14 Serial Communication Interface (SCI)
Rev.6.00 Sep. 27, 2007 Page 619 of 1268
REJ09B0220-0600
Table 14.4 BRR Settings for Various Bit Rates (Synchronous Mode)
Bit Rate
φ = 2 MHz φ = 4 MHz φ = 8 MHz φ = 10 MHz φ = 16 MHz φ = 20 MHz φ = 25 MHz
(bits/s) n N n N n N n N n N n N n N
110 3 70
250 2 124 2 249 3 124 — — 3 249
500 1 249 2 124 2 249 — — 3 124 — —
1 k 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
5 k 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 0 9 0 19 0 24 0 39 0 49 0 62
250 k 0 1 0 3 0 7 0 9 0 15 0 19 0 24
500 k 0 0* 0 1 0 3 0 4 0 7 0 9 — —
1 M 0 0* 0 1 0 3 0 4 — —
2.5 M 0 0* 0 1 — —
5 M 0 0* — —
Note: As far as possible, the setting should be made so that the error is no more than 1%.
Blank: Cannot be set.
—: Can be set, but there will be a degree of error.
*: Continuous transfer is not possible.