Datasheet
Section 15 Serial Communication Interface (SCI, IrDA)
Rev.7.00 Mar. 18, 2009 page 717 of 1136
REJ09B0109-0700
Table 15.6 BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Operating Frequency φ (MHz)
8 10 16 20 25 30 33 34
*
1
35
*
2
Bit Rate
(bit/s)
n N n N n N n N n N n N n N n N n N
110
250 3 124 ⎯ ⎯ 3 249
500 2 249 ⎯ ⎯ 3 124 ⎯ ⎯ 3 233
1 k 2 124 ⎯ ⎯ 2 249 ⎯ ⎯ 3 97 3 116 3 128 3 132 3 136
2.5 k 1 199 1 249 2 99 2 124 2 155 2 187 2 205 2 212 2 218
5 k 1 99 1 124 1 199 1 249 2 77 2 93 2 102 2 105 2 108
10 k 0 199 0 249 1 99 1 124 1 155 1 187 1 205 1 212 1 218
25 k 0 79 0 99 0 159 0 199 0 249 1 74 1 82 1 84 1 87
50 k 0 39 0 49 0 79 0 99 0 124 0 149 0 164 0 169 0 174
100 k 0 19 0 24 0 39 0 49 0 62 0 74 0 82 0 84 0 87
250 k 0 7 0 9 0 15 0 19 0 24 0 29 0 32 0 33 0 34
500 k 0 3 0 4 0 7 0 9 ⎯ ⎯ 0 14 ⎯ ⎯ 0 16 ⎯ ⎯
1 M 0 1 0 3 0 4 ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯
2.5 M 0 0
*
0 1 ⎯ ⎯ 0 2 ⎯ ⎯ ⎯ ⎯
5 M 0 0
*
⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯
Legend:
Blank: Cannot be set.
⎯: Can be set, but there will be a degree of error.
*: Continuous transfer is not possible.
Notes: 1. Supported on the H8S/2378 0.18μm F-ZTAT Group and H8S/2378R 0.18μm F-ZTAT
Group only.
2. Supported on the H8S/2378 only.










