MC68HC05SU3A 查看數據表（PDF） - Freescale Semiconductor

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MC68HC05SU3A

High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Unit

Freescale Semiconductor 

Freescale Semiconductor, Inc.

TABLE OF CONTENTS

Paragraph

Number

TITLE

Page

Number

1

GENERAL DESCRIPTION

1.1 Features.................................................................................................................1-1

1.2 Mask Options.........................................................................................................1-2

1.3 MCU Structure.......................................................................................................1-2

2

PIN DESCRIPTIONS

2.1

2.2

2.2.1

2.2.2

2.2.3

2.3

Functional Pin Descriptions ...................................................................................2-1

OSC1 and OSC2 Connections ..............................................................................2-2

Crystal Oscillator..............................................................................................2-3

External Clock..................................................................................................2-3

RC Oscillator Option ........................................................................................2-4

Pin Assignments ....................................................................................................2-5

3

INPUT/OUTPUT PORTS

3.1

3.1.1

3.1.2

3.2

3.3

3.4

3.5

3.5.1

Parallel Ports..........................................................................................................3-1

Port Data Registers..........................................................................................3-1

Port Data Direction Registers ..........................................................................3-2

Port A — Keyboard Interrupts (KBI) ......................................................................3-2

PD6 — IRQ2..........................................................................................................3-2

Programmable Current Drive .................................................................................3-3

Programmable Pull-Up Devices.............................................................................3-3

Port Option Register ........................................................................................3-3

4

MEMORY AND REGISTERS

4.1 I/O Registers..........................................................................................................4-1

TPG

MC68HC05SU3A

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