Datasheet
Section 1 Overview 
Page 20 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
Pin No.  Pin Name 
Mode 3, 7 
PLQP0144KA-A PTLG0145JB-A 
Mode 1  Mode 2  Mode 4 
EXPE = 1  EXPE = 0 
Flash 
Memory 
Programmer 
Mode 
24  J4  A17 A17 PA1/A17/ 
TxD4-B 
PA1/A17/ 
TxD4-B 
PA1/TxD4-B A17 
25  H1  Vss Vss Vss Vss Vss Vss 
26  J2  A18 A18 PA2/A18/ 
RxD4-B 
PA2/A18/ 
RxD4-B 
PA2/RxD4-B A18 
27  H3  A19 A19 PA3/A19/ 
SCK4-B 
PA3/A19/ 
RxD4-B 
PA3/SCK4-B NC 
28 K4 A20/IRQ4-A A20/IRQ4-A PA4/A20/ 
IRQ4-A/ 
SCS0-B 
PA4/A20/ 
IRQ4-A/ 
SCS0-B 
PA4/IRQ4-A/ 
SCS0-B 
NC 
29 J1 PA5/A21/ 
IRQ5-A/ 
SSCK0-B 
PA5/A21/ 
IRQ5-A/ 
SSCK0-B 
PA5/A21/ 
IRQ5-A/ 
SSCK0-B 
PA5/A21/ 
IRQ5-A/ 
SSCK0-B 
PA5/ 
IRQ5-A/ 
SSCK0-B 
NC 
30 K2 PA6/A22/ 
IRQ6-A/SSI0-B
PA6/A22/ 
IRQ6-A/SSI0-B
PA6/A22/ 
IRQ6-A/SSI0-B
PA6/A22/ 
IRQ6-A/SSI0-B
PA6/ 
IRQ6-A/SSI0-B 
NC 
31 J3 PA7/A23/ 
IRQ7-A/ 
SSO0-B 
PA7/A23/ 
IRQ7-A/ 
SSO0-B 
PA7/A23/ 
IRQ7-A/ 
SSO0-B 
PA7/A23/ 
IRQ7-A/ 
SSO0-B 
PA7/ 
IRQ7-A/ 
SSO0-B 
NC 
32  K1  EMLE EMLE EMLE EMLE EMLE Vss 
33 L2 P81/IRQ1-B/ 
PO1-B/ 
TIOCB3-B/ 
TMRI1-B/ 
TxD3/ 
EDREQ3 
P81/IRQ1-B/ 
PO1-B/ 
TIOCB3-B/ 
TMRI1-B/ 
TxD3/ 
EDREQ3 
P81/IRQ1-B/ 
PO1-B/ 
TIOCB3-B/ 
TMRI1-B/ 
TxD3/ 
EDREQ3 
P81/IRQ1-B/ 
PO1-B/ 
TIOCB3-B/ 
TMRI1-B/ 
TxD3/ 
EDREQ3 
P81/IRQ1-B/ 
PO1-B/ 
TIOCB3-B/ 
TMRI1-B/ 
TxD3/ 
EDREQ3 
NC 
34 K3 P82/IRQ2-B/ 
ETEND2 
P82/IRQ2-B/ 
ETEND2 
P82/IRQ2-B/ 
ETEND2 
P82/IRQ2-B/ 
ETEND2 
P82/IRQ2-B NC 
35 L1 PH0/CS4/ 
RAS4*
2
/WE*
1
PH0/CS4/ 
RAS4*
2
/WE*
1
PH0/CS4/ 
RAS4*
2
/WE*
1
PH0/CS4/ 
RAS4*
2
/WE*
1
PH0 NC 
36 M1 PH1/CS5/ 
RAS5*
2
/ 
SDRAMφ*
1
PH1/CS5/ 
RAS5*
2
/ 
SDRAMφ*
1
PH1/CS5/ 
RAS5*
2
/ 
SDRAMφ*
1
PH1/CS5/ 
RAS5*
2
/ 
SDRAMφ*
1
PH1/ 
SDRAMφ*
1
NC 
37 N2 PH2/CS6/ 
IRQ6-B 
PH2/CS6/ 
IRQ6-B 
PH2/CS6/ 
IRQ6-B 
PH2/CS6/ 
IRQ6-B 
PH2/IRQ6-B NC 
38 M2 PH3/CS7/ 
OE-A*
2
/ 
CKE-A*
1
/ 
IRQ7-B 
PH3/CS7/ 
OE-A*
2
/ 
CKE-A*
1
/ 
IRQ7-B 
PH3/CS7/ 
OE-A*
2
/ 
CKE-A*
1
/ 
IRQ7-B 
PH3/CS7/ 
OE-A*
2
/ 
CKE-A*
1
/ 
IRQ7-B 
PH3/IRQ7-B NC 
39 M3 WDTOVF  WDTOVF  WDTOVF  WDTOVF  WDTOVF NC 










