Datasheet
Section 15 Serial Communication Interface (SCI, IrDA) 
R01UH0310EJ0500 Rev. 5.00    Page 943 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
Table 15.12  Settings of IrCKS2 to IrCKS0 Bits 
Bit Rate (bps) (Above)/Bit Period × 3/16 (µs) (Below) 
2400  9600  19200 38400 57600 115200 
Operating 
Frequency 
φ (MHz) 
78.13 19.53 9.77  4.88 3.26 1.63 
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 
25  110 110 110 110 110 ⎯ 
30  110 110 110 110 110 ⎯ 
33  110 110 110 110 110 ⎯ 
[Legend] 
⎯:  A bit rate setting cannot be made on the SCI side. 










