MC6804J2 MICROCOMPUTER Datasheet

MC6804J2 Datasheet PDF, Equivalent


Part Number

MC6804J2

Description

8-BIT MICROCOMPUTER

Manufacture

Motorola

Total Page 30 Pages
Datasheet
Download MC6804J2 Datasheet


MC6804J2
® MOTOROLA
Advance Information
MC6804J2
8-BIT MICROCOMPUTER
I
This document contains information on a new product Specifications and information herein
are subject to change without notice
3-133

MC6804J2
MC6804J2
TABLE OF CONTENTS
Paragraph
Number
Title
Page
Number
1.1 General ...
1.2 Features.
Section 1
Introduction
3-139
3-139
Section 2
Functional Pin Description, Memory, CPU, And Registers
2.1 Functional Pin Description.
. ................ 3-142
2.1.1
VCC and VSS·
I 2.1.2
2.1.3
2.1.4
IRQ.
XTAL and EXTAL.
TIMER. . .
... 3-142
3-142
. ..... 3-142
. ..... 3-142
2.1.5
RESET.
. . . . . . . . .. ..........
3-142
2.1.6
MDS.
.........
3-143
2.1.7
Input/Output Lines (PA4-PA7, PBO-PB7) .
... 3-143
2.2 Memory.
3-143
2.3 Central Processing Unit.
.. .... 3-143
2.4 Registers ......... .
. 3-145
2.4.1
Accumulator (A).
...... 3-145
2.4.2
Indirect Registers (X, Y) ..
. ................ 3-145
2.4.3
Program Counter ....
...... 3-145
2.4.4
Flags (C, Z).
· ..... 3-146
2.4.5
Stack. . ......... .
· ..... 3-146
3.1
3.2
3.2.1
3.2.2
3.2.3
Section 3
Timer
Introduction ..
Timer Registers.
Timer Count Register (TCR).
Timer Status/ Control Register (TSCR) ..
Timer Prescaler Register ............. .
3-147
...... 3-149
· ..... 3-149
· ..... 3-149
· .... 3-150
4.1
4.1.1
4.1.2
4.1.3
Section 4
Interrupt, Self-Test, Reset, And Internal Clock Generator
Interrupt.
Edge-Sensitive Option ..
Level-Sensitive Option.
Power Up and Timing.
3-151
...... 3-151
3-151
3-151
3-134


Features ® MOTOROLA Advance Information MC6804J2 8-BIT MICROCOMPUTER I This document contains information on a new product S pecifications and information herein ar e subject to change without notice 3-13 3 MC6804J2 TABLE OF CONTENTS Paragra ph Number Title Page Number 1.1 Gene ral ... 1.2 Features. Section 1 Introd uction 3-139 3-139 Section 2 Functio nal Pin Description, Memory, CPU, And R egisters 2.1 Functional Pin Descriptio n. . ................ 3-142 2.1.1 VC C and VSS· I 2.1.2 2.1.3 2.1.4 IRQ. XTAL and EXTAL. TIMER. . . ... 3-142 3 -142 . ..... 3-142 . ..... 3-142 2.1.5 RESET. . . . . . . . . .. .......... 3-142 2.1.6 MDS. ......... 3-143 2.1.7 Input/Output Lines (PA4-PA7, PB O-PB7) . ... 3-143 2.2 Memory. 3-143 2.3 Central Processing Unit. .. .... 3-143 2.4 Registers ......... . . 3- 145 2.4.1 Accumulator (A). ...... 3- 145 2.4.2 Indirect Registers (X, Y) . . . ................ 3-145 2.4.3 Pro gram Counter .... ...... 3-145 2.4.4 Flags (C, Z). · ..... 3-.
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