Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 4.00 Sep 27, 2006 page 445 of 1130
REJ09B0327-0400
Table 15.4 BRR Settings for Various Bit Rates (Synchronous Mode)
Operating Frequency φ
φφ
φ (MHz)
Bit Rate
φ
φφ
φ = 2 MHz φ
φφ
φ = 4 MHz φ
φφ
φ = 8 MHz φ
φφ
φ = 10 MHz φ
φφ
φ = 16 MHz φ
φφ
φ = 20 MHz
(bits/s) nNnNnNnNnNnN
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 ——
2.5 k 0 199 1 99 1 199 1 249 2 99 2 124
5 k 0 99 0 199 1 99 1 124 1 199 1 249
10 k 0 49 0 99 0 199 0 249 1 99 1 124
25 k 0 19 0 39 0 79 0 99 0 159 0 199
50 k 0 9 0 19 0 39 0 49 0 79 0 99
100 k 0 4 0 9 0 19 0 24 0 39 0 49
250 k 0 1 0 3 0 7 0 9 0 15 0 19
500 k 0 0
*
0103040709
1 M 0 0
*
01 0304
2.5 M 0 0
*
01
5 M 00
*
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%.