Datasheet
Appendix 
Page 1360 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
C.  Treatment of Unused Pins 
The treatments of unused pins are listed in table C.1 
Table C.1  Treatment of Unused Pins 
Pin Name  Mode 1  Mode 2  Mode 4  Mode 7 
RES 
•  Connect this pin to V
CC
 via a pull-up resistor 
STBY 
•  Connect this pin to V
CC
 via a pull-up resistor 
EMLE 
•  Connect this pin to V
SS
 via a pull-down resistor 
MD2 to MD0  (Always used as mode pins) 
NMI 
•  Connect this pin to V
CC
 via a pull-up resistor 
EXTAL  (Always used as a clock pin) 
XTAL 
•  Leave this pin open 
WDTOVF 
•  Leave this pin open 
Port 1 
Port 2 
Port 3 
Port 5 
Port 8 
PA7 to PA5 
PF2 to PF0 
PG7 to PG1 
PH3, PH2, 
PH0 
PJ2 to PJ0 
•  Connect these pins to V
CC
 via a pull-up resistor or to V
SS
 via a pull-down 
resistor, respectively 
Ports 4 and 9 
•  Connect these pins to AV
CC
 via a pull-up resistor or to AV
SS
 via a pull-down 
resistor, respectively 










