Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 4.00 Sep 27, 2006 page 485 of 1130
REJ09B0327-0400
High-Level Pulse Width Selection
Table 15.12 shows possible settings for bits IrCKS2 to IrCKS0 (minimum pulse width), and this
LSI operating frequencies and bit rates, for making the pulse width shorter than 3/16 times the bit
rate in transmission.
Table 15.12 Bit IrCKS2 to IrCKS0 Settings
Bit Rate (bps) (Upper Row) / Bit Interval ×
××
× 3/16 (µs) (Lower Row)
2400 9600 19200 38400 57600 115200
Operating
Frequency
φ
φφ
φ (MHz) 78.13 19.53 9.77 4.88 3.26 1.63
2 010 010 010 010 010 —
2.097152 010 010 010 010 010 —
2.4576 010 010 010 010 010 —
3 011 011 011 011 011 —
3.6864 011 011 011 011 011 011
4.9152 011 011 011 011 011 011
5 011 011 011 011 011 011
6 100 100 100 100 100 100
6.144 100 100 100 100 100 100
7.3728 100 100 100 100 100 100
8 100 100 100 100 100 100
9.8304 100 100 100 100 100 100
10 100 100 100 100 100 100
12 101 101 101 101 101 101
12.288 101 101 101 101 101 101
14 101 101 101 101 101 101
14.7456 101 101 101 101 101 101
16 101 101 101 101 101 101
16.9344 101 101 101 101 101 101
17.2032 101 101 101 101 101 101
18 101 101 101 101 101 101
19.6608 101 101 101 101 101 101
20 101 101 101 101 101 101
Legend:
—: An SCI bit rate setting cannot be mode.