Freescale Semiconductor, Inc.
GENERAL RELEASE SPECIFICATION
April 30, 1998
TABLE OF CONTENTS
Section
Page
4.4.2
Miscellaneous Control and Status Register................................................. 4-5
4.5
16-BIT TIMER INTERRUPTS.......................................................................... 4-6
Input Capture Interrupt................................................................................. 4-6
Output Compare Interrupt............................................................................ 4-6
Timer Overflow Interrupt.............................................................................. 4-6
8-BIT TIMER INTERRUPT .............................................................................. 4-6
KEYBOARD INTERRUPT ............................................................................... 4-7
4.5.1
4.5.2
4.5.3
4.6
4.7
SECTION 5
RESETS
5.1
5.2
5.3
POWER-ON RESET........................................................................................ 5-1
EXTERNAL RESET......................................................................................... 5-2
INTERNAL RESETS........................................................................................ 5-2
Power-On Reset (POR)............................................................................... 5-3
Computer Operating Properly (COP) Reset ................................................ 5-3
Illegal Address Reset................................................................................... 5-4
RESET STATES OF SUBSYSTEM IN MCU................................................... 5-5
CPU ............................................................................................................. 5-5
I/O Registers................................................................................................ 5-5
8-Bit Timer ................................................................................................... 5-5
16-Bit Programmable Timer......................................................................... 5-5
Keyboard Interrupt Interface........................................................................ 5-6
6-bit DAC Subsystem .................................................................................. 5-6
System Clock Option Subsystem ................................................................ 5-6
Miscellaneous Subsystem ........................................................................... 5-6
RESET CHARACTERISTICS.......................................................................... 5-7
5.3.1
5.3.2
5.3.3
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.8
5.5
SECTION 6
OPERATING MODES
6.1
OPERATING MODES...................................................................................... 6-1
Single-chip (Normal) Mode.......................................................................... 6-1
Self-check Mode.......................................................................................... 6-1
LOW POWER MODES.................................................................................... 6-2
STOP Mode................................................................................................. 6-2
WAIT Mode.................................................................................................. 6-2
6.1.1
6.1.2
6.2
6.2.1
6.2.2
SECTION 7
INPUT/OUTPUT PORTS
7.1
PARALLEL PORTS ......................................................................................... 7-1
Port Data Registers ..................................................................................... 7-2
Port Data Direction Registers ...................................................................... 7-2
PORT A............................................................................................................ 7-2
PORT B............................................................................................................ 7-3
7.1.1
7.1.2
7.2
7.3
MC68HC05PL4
REV 2.0
ii
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