Renesas H8S/2158, User Manual

Page: 476 / 929

Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
Rev. 3.00 Jan 25, 2006 page 422 of 872
REJ09B0286-0300
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5.333 MHz
3.6848 MHz
1 bit = Basic clock
×
8
*
Basic clock
10.667 MHz/2 = 5.333 MHz
5.333 MHz
×
(38/55) =
3.6848 MHz (average)
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2.667 MHz
1.8424 MHz
1 bit = Basic clock
×
16
*
Basic clock
10.6677 MHz/4 = 2.667 MHz
2.667 MHz
×
(38/55) =
1.8424 MHz (average)
When
φ
= 10.667 MHz
Average transfer rate at basic clock = 460.606 kbps Average transfer rate at basic clock = 115.152 kbps
Average tranfer rate = 1.8424 MHz/16 = 115.152 kbps Average error rate =
–
0.043%
Average tranfer rate = 3.6848 MHz/8= 460.606 kbps Average error rate =
–
0.043%
Note:
*
1-bit length depends on the changes in basic clock synchronization.
Figure 16.6 Basic Clock Examples When Average Transfer Rate Is Selected (1)