HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 56

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 1 Overview
Type
System control BACK
Interrupts
Address bus
Data bus
Bus control
Rev.3.00 Mar. 26, 2007 Page 14 of 772
REJ09B0355-0300
Symbol
NMI
IRQ7 to
IRQ0*
A
A
D
D
CS3 to
CS0
AS
RD
HWR
LWR
WAIT
23
0
15
0
to
to
1
Pin No.
FP-100B, TFP-100B
75
63
94, 93, 13, 12,
73 to 76
2, 1, 100, 99,
53 to 50, 48 to 41,
39 to 32
30 to 19, 17 to 14
94 to 97
70
71
72
73
74
I/O
Output Bus request acknowledge: Indicates
Input
Input
Output Address bus: These pins output an
I/O
Output Chip select: Signals for selecting
Output Address strobe: When this pin is low,
Output Read: When this pin is low, it
Output High write: A strobe signal that writes
Output Low write: A strobe signal that writes
Input
that the bus has been released to an
external bus master.
nonmaskable interrupt. When this pin
is not used, it should be fixed high.
Interrupt request 7 to 0: These pins
request a maskable interrupt.
address.
bidirectional data bus.
areas 3 to 0.
it indicates that address output on the
address bus is enabled.
indicates that the external address
space can be read.
to external space and indicates that
the upper half (D
bus is enabled.
to external space and indicates that
the lower half (D
bus is enabled.
Wait: Requests insertion of a wait
state in the bus cycle when accessing
external 3-state address space.
Name and Function
Nonmaskable interrupt: Requests a
Data bus: These pins constitute a
7
15
to D
to D
0
) of the data
8
) of the data