Datasheet

Section 17 Serial Communication Interface 3 (SCI3)
Rev. 1.50 Sep. 18, 2007 Page 382 of 584
REJ09B0240-0150
Table 17.4 Maximum Bit Rate for Each Frequency (Asynchronous Mode)
φ (MHz)
Maximum Bit
Rate (bit/s) n N φ (MHz)
Maximum Bit
Rate (bit/s) n N
4 125000 0 0 12 375000 0 0
4.9152 153600 0 0 12.288 384000 0 0
5 156250 0 0 14 437500 0 0
6 187500 0 0 14.7456 460800 0 0
6.144 192000 0 0 16 500000 0 0
8 250000 0 0 17.2032 537600 0 0
9.8304 307200 0 0 18 562500 0 0
10 312500 0 0 20 625000 0 0
Table 17.5 Examples of BRR Settings for Various Bit Rates (Clock 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 3 140 3 155
1k 1 249 2 124 — — 2 249 3 69 3 77
2.5k 1 99 1 199 1 249 2 99 2 112 2 124
5k 0 199 1 99 1 124 1 199 1 224 1 249
10k 0 99 0 199 0 249 1 99 1 112 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
4M 0 0* — — — —
[Legend]
Blank: No setting is available.
—: A setting is available but error occurs.
*: Continuous transfer is not possible.