Datasheet

Table Of Contents
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 372 of 692
REJ09B0309-0200
Table 17.7 BRR Settings for Various Bit Rates (Clock Synchronous Mode) (2)
φ 4 MHz 8 MHz 10 MHz
Bit Rate
(bit/s)
n N Error (%) n N Error (%) n N Error (%)
200 3 77 0.16 3 155 0.16 3 194 0.16
250 2 249 0.00 3 124 0.00 3 155 0.16
300 2 207 0.16 3 103 0.16 3 129 0.16
500 2 124 0.00 2 249 0.00 3 77 0.16
1 k 2 62 –0.79 2 124 0.00 2 155 0.16
2.5 k 2 24 0.00 2 49 0.00 2 62 –0.79
5 k 0 199 0.00 2 24 0.00 2 30 0.81
10 k 0 99 0.00 0 199 0.00 0 249 0.00
25 k 0 39 0.00 0 79 0.00 0 99 0.00
50 k 0 19 0.00 0 39 0.00 0 49 0.00
100 k 0 9 0.00 0 19 0.00 0 24 0.00
250 k 0 3 0.00 0 7 0.00 0 9 0.00
500 k 0 1 0.00 0 3 0.00 0 4 0.00
1 M 0* 0* 0.00* 0 1 0.00
Note: * Continuous transmission/reception is not possible.
[Clock Synchronous Mode]
N =
φ
4 × 2
2n
× B
– 1
[Legend]
B: Bit rate (bit/s)
N: BRR setting for baud rate generator (0 N 255)
φ: Operating frequency (Hz)
n: Baud rate generator input clock number (n = 0, 2, or 3)
(The correspondence between n and the clock is shown in table 17.8.)