68HC05PL4B datasheet(4/98 Pages) FREESCALE

4 / 98 page

GENERAL RELEASE SPECIFICATION

April 30, 1998

MC68HC05PL4

REV 2.0

TABLE OF CONTENTS

Section

Page

4.4.2

Miscellaneous Control and Status Register................................................. 4-5

4.5

16-BIT TIMER INTERRUPTS .......................................................................... 4-6

4.5.1

Input Capture Interrupt................................................................................. 4-6

4.5.2

Output Compare Interrupt............................................................................ 4-6

4.5.3

Timer Overflow Interrupt.............................................................................. 4-6

4.6

8-BIT TIMER INTERRUPT .............................................................................. 4-6

4.7

KEYBOARD INTERRUPT ............................................................................... 4-7

SECTION 5

RESETS

5.1

POWER-ON RESET........................................................................................ 5-1

5.2

EXTERNAL RESET ......................................................................................... 5-2

5.3

INTERNAL RESETS........................................................................................ 5-2

5.3.1

Power-On Reset (POR)............................................................................... 5-3

5.3.2

Computer Operating Properly (COP) Reset ................................................ 5-3

5.3.3

Illegal Address Reset................................................................................... 5-4

5.4

RESET STATES OF SUBSYSTEM IN MCU ................................................... 5-5

5.4.1

CPU ............................................................................................................. 5-5

5.4.2

I/O Registers................................................................................................ 5-5

5.4.3

8-Bit Timer ................................................................................................... 5-5

5.4.4

16-Bit Programmable Timer......................................................................... 5-5

5.4.5

Keyboard Interrupt Interface........................................................................ 5-6

5.4.6

6-bit DAC Subsystem .................................................................................. 5-6

5.4.7

System Clock Option Subsystem ................................................................ 5-6

5.4.8

Miscellaneous Subsystem ........................................................................... 5-6

5.5

RESET CHARACTERISTICS .......................................................................... 5-7

SECTION 6

OPERATING MODES

6.1

OPERATING MODES...................................................................................... 6-1

6.1.1

Single-chip (Normal) Mode.......................................................................... 6-1

6.1.2

Self-check Mode.......................................................................................... 6-1

6.2

LOW POWER MODES .................................................................................... 6-2

6.2.1

STOP Mode................................................................................................. 6-2

6.2.2

WAIT Mode.................................................................................................. 6-2

SECTION 7

INPUT/OUTPUT PORTS

7.1

PARALLEL PORTS ......................................................................................... 7-1

7.1.1

Port Data Registers ..................................................................................... 7-2

7.1.2

Port Data Direction Registers ...................................................................... 7-2

7.2

PORT A............................................................................................................ 7-2

7.3

PORT B............................................................................................................ 7-3

Freescale Semiconductor, Inc.

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