Datasheet

Section 1 Overview
Rev. 2.00 Aug. 20, 2008 Page 16 of 1198
REJ09B0403-0200
Pin No.
Type Symbol
H8S/2462
144-Pin
H8S/2463
144-Pin
H8S/2472
176-Pin
I/O Name and Function
AD15 to
AD8
4 to 2,
140,
99 to
102
4 to 2,
138,
99 to
102
C2, B1,
C3, B6,
E14,
E12,
D15,
D14
8 bit bus or upper 8 bits of 16-bit
bus
Address-
data
multiplex bus
AD7 to
AD0
103 to
109,
111
103 to
109,
111
D13,
C15,
D12,
C14,
B15,
B14,
A15,
A14
Input/
Output
Lower 8 bits of 16-bit bus
NMI 11 11 E2 Input Nonmaskable interrupt request
input pin
IRQ15 to
IRQ0
79, 78,
139,
138,
136,
135, 15,
16,
4 to 2,
140,
132 to
129
78, 77,
137,
136,
134,
133, 15,
16,
4 to 2,
138,
132 to
129
N15,
M13,
A6, C6,
B7, D6,
F2, G4,
C2, B1,
C3, B6,
B8, A8,
C8, D8
Input These pins are used to request
maskable interrupts.
Either IRQn or ExIRQn can be
selected as the IRQn interrupt
signal input pin.
Interrupts
ExIRQ15
to ExIRQ0
43 to
46, 82
to 85,
33 to
35,
37 to 41
43 to
46, 81
to 84,
33 to
35,
37 to 41
N5, P5,
R5, M6,
M15,
L13,
L14,
L15,
M3, N1,
M4, P1,
P2, N3,
P3, R3
Input These pins are used to request
maskable interrupts.
Either IRQn or ExIRQn can be
selected as the IRQn interrupt
signal input pin.
Bus control
WAIT
17 17
G3
Input
Requests wait state insertion to
bus cycles when an external tri-
state address space is accessed.