Hitachi H8S/2338 Series Hardware Manual page 417

Table 11-4 BRR Settings for Various Bit Rates (Synchronous Mode)
ø = 2 MHz
Bit Rate
(bits/s) n N
110 3 70
250 2 124
500 1 249
1 k 1 124
2.5 k 0 199
5 k 0 99
10 k 0 49
25 k 0 19
50 k 0 9
100 k 0 4
250 k 0 1
1
500 k 0 0*
1 M
2.5 M
5 M
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.
*1 : Continuous transfer is not possible.
*2 : In planning stage
406
ø = 4 MHz ø = 8 MHz
n N n N
2 249 3 124
2 124 2 249
1 249 2 124
1 99 1 199
0 199 1 99
0 99 0 199
0 39 0 79
0 19 0 39
0 9 0 19
0 3 0 7
0 1 0 3
1
0 0* 0 1
ø = 10 MHz ø = 16 MHz
n N n N
— — 3 249
— — 3 124
— — 2 249
1 249 2 99
1 124 1 199
0 249 1 99
0 99 0 159
0 49 0 79
0 24 0 39
0 9 0 15
0 4 0 7
0 3
1
0 0*
ø = 20 MHz ø = 25 MHz*
n N n N
— —
— — 3 97
2 124 2 155
1 249 2 77
1 124 1 155
0 199 0 249
0 99 0 124
0 49 0 62
0 19 0 24
0 9 — —
0 4 — —
0 1 — —
1
0 0* — —
2