HD64F2145B datasheet(73/845 Pages) RENESAS

номер детали	HD64F2145B

подробное описание детали	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	845 Pages

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производитель	RENESAS [Renesas Technology Corp]

домашняя страница	http://www.renesas.com

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73 / 845 page

Section 1 Overview

Rev. 3.00 Mar 21, 2006 page 19 of 788

REJ09B0300-0300

Pin No.

Type

Symbol

FP-100B,

TFP-100B TFP-144 I/O

Name and Function

A23 to

A16

10, 11, 20,

21, 30, 31,

47, 48

33, 34,

35, 37,

38, 39,

40, 41

Output

Address output pins when 16-Mbyte

space is used.

Address

bus

A15 to A0

60 to 67,

72 to 79

96 to

110, 112

Output

Address output pins

D15 to D8

89 to 82

128 to

121

Input/

output

Bidirectional data bus for upper byte of

16-bit data.

Data bus

D7 to D0

57, 58, 68,

69, 80, 81,

90, 91

113 to

120

Input/

output

Bidirectional data bus for lower byte of

16-bit data.

WAIT

Input

Requests insertion of a wait state in the

bus cycle when accessing external 3-

state address space.

Output

When this pin is low, it indicates that the

external address space is being read.

HWR

Output

When this pin is low, it indicates that the

external address space is being written

to. The upper half of the data bus is

valid.

LWR

Output

When this pin is low, it indicates that the

external address space is being written

to. The lower half of the data bus is

valid.

Bus control

AS/IOS

Output

When this pin is low, it indicates that

address output on the address bus is

valid.

Interrupt

signals

NMI

Input

Input pin for a nonmaskable interrupt

request.

IRQ0 to

IRQ7

23 to 25,

97 to 99,

34, 35

22 to 24,

133 to

135, 84,

Input

These pins request a maskable

interrupt.

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