Section 1
Overview
Rev. 1.00 Mar. 12, 2008 Page 15 of 1178
REJ09B0403-0100
Pin No.
Type
Symbol
176-Pin 144-Pin I/O Name
and
Function
NMI
E2
11
Input
Nonmaskable interrupt request input pin
IRQ15
to
IRQ0
N15,
M13, A6,
C6, B7,
D6, F2,
G4, C2,
B1, C3,
B6, B8,
A8, C8,
D8
79, 78,
139, 138,
136, 135,
15, 16,
4 to 2,
140,
132 to
129
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
N5, P5,
R5, M6,
M15, L13,
L14, L15,
M3, N1,
M4, P1,
P2, N3,
P3, R3
43 to 46,
82 to 85,
33 to 35,
37 to 41
Input
These pins are used to request maskable
interrupts.
Either
IRQn
or
ExIRQn
can be selected
as the IRQn interrupt signal input pin.
WAIT
G3
17 Input
Requests wait state insertion to bus
cycles when an external tri-state address
space is accessed.
RD
J2
25 Output Low level on this pin indicates that the
MCU is reading from an external address
space.
HWR
C1
6 Output Low level on this pin indicates that the
MCU is writing to an external address
space.
The upper byte of the data bus is valid.
LWR
K4
26 Output Low level on this pin indicates that the
MCU is writing to an external address
space.
The lower byte of the data bus is valid.
AS
/
IOS
G2 19 Output Low level on this pin indicates that the
address output on the address bus is
valid.
Bus control
CS256
G3 17 Output Indicates access to the 256-Kbyte area of
H’F80000 to H’FBFFFF.
Summary of Contents for H8S Family
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Page 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
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Page 48: ...Rev 1 00 Mar 12 2008 Page xlviii of xIviii...
Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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