Datasheet

Section 15 Serial Communication Interface (SCI and IrDA)
Rev. 3.00 Mar 21, 2006 page 374 of 788
REJ09B0300-0300
Table 15.6 BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Operating Frequency φ
φφ
φ (MHz)
2 4 8 10 16 20
Bit Rate
(bit/s)nNnNnNnNnNnN
110 3 70 ——
250 2 124 2 249 3 124 —— 3 249
500 1 249 2 124 2 249 —— 3 124 ——
1k 1 124 1 249 2 124 —— 2 249 ——
2.5k 0 199 1 99 1 199 1 249 2 99 2 124
5k 0 99 0 199 1 99 1 124 1 199 1 249
10k 0 49 0 99 0 199 0 249 1 99 1 124
25k 0 19 0 39 0 79 0 99 0 159 0 199
50k 0 9 0 19 0 39 0 49 0 79 0 99
100k 0 4 0 9 0 19 0 24 0 39 0 49
250k 0 1 0 3 0 7 0 9 0 15 0 19
500k 0 0
*
01
*
03 04 07 09
1M 00 01 03 04
2.5M 0 0
*
01
5M 00
*
Legend:
Blank: Cannot be set.
—: Can be set, but there will be a degree of error.
*: Continuous transfer or reception is not possible.
Table 15.7 Maximum Bit Rate with External Clock Input (Clocked Synchronous Mode)
φ
φφ
φ (MHz)
External Input
Clock (MHz)
Maximum Bit
Rate (bit/s)
φ
φφ
φ (MHz)
External Input
Clock (MHz)
Maximum Bit
Rate (bit/s)
2 0.3333 333333.3 12 2.0000 2000000.0
4 0.6667 666666.7 14 2.3333 2333333.3
6 1.0000 1000000.0 16 2.6667 2666666.7
8 1.3333 1333333.3 18 3.0000 3000000.0
10 1.6667 1666666.7 20 3.3333 3333333.3