Datasheet

Table Of Contents
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 369 of 692
REJ09B0309-0200
Table 17.4 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode,
ABCS = 1) (4)
6.144 MHz 7.3728 MHz 8 MHz 9.8304 MHz 10 MHz
Bit
Rate
(bit/s) n N
Error
(%)
n N
Error
(%)
n N
Error
(%)
n N
Error
(%)
n N
Error
(%)
110 2 217 0.08 3 64 0.70 3 70 0.03 3 86 0.31 3 88 –0.25
150 2 159 0.00 2 191 0.00 2 207 0.16 2 255 0.00 3 64 0.16
200 2 119 0.00 2 143 0.00 2 155 0.16 2 191 0.00 2 194 0.16
250 2 95 0.00 2 114 0.17 2 124 0.00 2 153 0.26 2 155 0.16
300 2 79 0.00 2 95 0.00 2 103 0.16 2 127 0.00 2 129 0.16
600 2 39 0.00 2 47 0.00 2 51 0.16 2 63 0.00 2 64 0.16
1200 2 19 0.00 2 23 0.00 2 25 0.16 2 31 0.00 2 32 –1.36
2400 0 159 0.00 0 191 0.00 0 207 0.16 0 255 0.00 2 15 1.73
4800 0 79 0.00 0 95 0.00 0 103 0.16 0 127 0.00 0 129 0.16
9600 0 39 0.00 0 47 0.00 0 51 0.16 0 63 0.00 0 64 0.16
19200 0 19 0.00 0 23 0.00 0 25 0.16 0 31 0.00 0 32 1.36
31250 0 11 2.40 0 14 –1.70 0 15 0.00 0 19 –1.70 0 19 0.00
38400 0 9 0.00 0 11 0.00 0 12 0.16 0 15 0.00 0 15 1.73
Table 17.5 Correspondence between n and Clock
SMR Setting
n Clock CKS1 CKS0
0 φ 0 0
0 φ
W
/2* 0 1
2 φ/16 1 0
3 φ/64 1 1
Note: In subactive or subsleep mode, the SCI3_1, SCI3_2, and SCI3_3 interfaces can operate
only when the CPU clock is φ
W
/2.