Renesas H8S/2111B - Manual (Page 282)

Rev. 1.00, 05/04, page 248 of 544
Table 12.6 BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Operating Frequency
φ
(MHz)
4 8 10
Bit Rate
(bit/s)
n N n N n N
110 — —
250 2 249 3 124 — —
500 2 124 2 249 — —
1k 1 249 2 124 — —
2.5k 1 99 1 199 1 249
5k 0 199 1 99 1 124
10k 0 99 0 199 0 249
25k 0 39 0 79 0 99
50k 0 19 0 39 0 49
100k 0 9 0 19 0 24
250k 0 3 0 7 0 9
500k 0 1* 0 3 0 4
1M 0 0 0 1
2.5M 0 0*
5M
[Legend]
Blank: Cannot be set.
—: Can be set, but there will be a degree of error.
*: Continuous transfer or reception is not possible.
Table 12.7 Maximum Bit Rate with External Clock Input (Clocked Synchronous Mode)
φ
(MHz) External Input Clock (MHz) Maximum Bit Rate (bit/s)
4 0.6667 666666.7
6 1.0000 1000000.0
8 1.3333 1333333.3
10 1.6667 1666666.7