Datasheet

Section 20 Serial Communication Interface 3 (SCI3, IrDA)
Page 694 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Table 20.5 Examples of BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Operating Frequency φ (MHz)
4 8 10 16 18 20
Bit Rate
(bit/s)
n N n N n N n N n N n N
110
250 2 249 3 124 ⎯ ⎯ 3 249
500 2 124 2 249 ⎯ ⎯ 3 124 ⎯ ⎯ ⎯ ⎯
1k 1 249 2 124 ⎯ ⎯ 2 249 ⎯ ⎯ ⎯ ⎯
2.5k 1 99 1 199 1 249 2 99 ⎯ ⎯ 2 124
5k 0 199 1 99 1 124 1 199 1 224 1 249
10k 0 99 0 199 0 249 1 99 ⎯ ⎯ 1 124
25k 0 39 0 79 0 99 0 159 0 179 0 199
50k 0 19 0 39 0 49 0 79 0 89 0 99
100k 0 9 0 19 0 24 0 39 0 44 0 49
250k 0 3 0 7 0 9 0 15 0 17 0 19
500k 0 1 0 3 0 4 0 7 0 8 0 9
1M 0 0* 0 1 ⎯ ⎯ 0 3 0 4 0 4
2M 0 0* ⎯ ⎯ 0 1 ⎯ ⎯ ⎯ ⎯
2.5M 0 0* ⎯ ⎯ ⎯ ⎯ 0 1
5M 0 0*
[Legend]
Blank: No setting is available.
⎯: A setting is available but error occurs.
*: Continuous transfer is not possible.