h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 62

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 1 Overview
Rev. 3.00 Jan 25, 2006 page 10 of 872
REJ09B0286-0300
Type
Bus
control
Interrupts
On-chip
emulator
Symbol
WAIT
RD
HWR
LWR
AS/IOS
CS256
NMI
IRQ15 to
IRQ0
ExIRQ15 to
ExIRQ2
ETRST
ETMS
ETDO
ETDI
ETCK
Pin No.
TBP-112A
G2
H3
G4
J3
H1
G2
D1
J1, H2
J9, L10
B3, C4
F1, F2
H11, H10
H9, J11
J10, H8
K11, K10
A9, C8
D6, A5
A3, B4
D5, A4
H7, L8
J7, K7
L7, H6
F3
E9
D11
L3
J4
I/O
Input
Output
Output
Output
Output
Output
Input
Input
Input
Input
Output
Input
Input
Name and Function
Requests insertion of a wait state in the
bus cycle when accessing an external 3-
state address space.
This pin is low when the external
address space is being read from.
This pin is low when the external
address space is being written to, and
the upper half of the data bus is enabled.
This pin is low when the external space
is being written to, and the lower half of
the data bus is enabled.
This pin is low when address output on
the address bus is valid.
Indicates that the 256-kbyte area from
H'F80000 to H'FBFFFF is accessed.
Nonmaskable interrupt request input pin
These pins request a maskable interrupt.
Selectable to which pin of IRQn or
ExIRQn to insert IRQ15 to IRQ0
interrupts.
On-chip emulator interface pins