68HC05PL4 datasheet(7/98 Pages) FREESCALE

7 / 98 page

April 30, 1998

GENERAL RELEASE SPECIFICATION

MC68HC05PL4

REV 2.0

LIST OF FIGURES

Figure

Title

Page

1-1

MC68HC05PL4 Block Diagram ....................................................................... 1-2

1-2

MC68HC05PL4 Pin Assignment...................................................................... 1-3

1-3

MC68HC05PL4B Pin Assignment ................................................................... 1-3

1-4

Oscillator Connections ..................................................................................... 1-4

1-5

Miscellaneous Control and Status Register (MICSR) ...................................... 1-5

2-1

MC68HC05PL4 Memory Map.......................................................................... 2-1

2-2

COP Watchdog Register (COPR).................................................................... 2-2

2-3

I/O Registers $0000-$000F.............................................................................. 2-3

2-4

I/O Registers $0010-$001F.............................................................................. 2-4

3-1

MC68HC05 Programming Model..................................................................... 3-1

4-1

Interrupt Stacking Order................................................................................... 4-2

4-2

Interrupt Flowchart ........................................................................................... 4-3

4-3

External Interrupt Logic.................................................................................... 4-5

4-4

Miscellaneous Control and Status Register (MICSR) ...................................... 4-5

4-5

Pull-Up Enable Register (PUER) ..................................................................... 4-7

4-6

Keyboard Interrupt Enable Register (KIER)..................................................... 4-7

4-7

Keyboard Interrupt Flag Register (KIFR) ......................................................... 4-7

5-1

Reset Sources ................................................................................................. 5-1

5-2

Miscellaneous Control and Status Register (MICSR) ...................................... 5-2

5-3

COP Watchdog Block Diagram........................................................................ 5-3

5-4

COP Watchdog Register (COPR).................................................................... 5-3

5-5

Miscellaneous Control and Status Register (MICSR) ...................................... 5-4

5-6

Stop Recovery Timing Diagram ....................................................................... 5-7

5-7

Internal Reset Timing Diagram ........................................................................ 5-8

6-1

STOP/WAIT Flowchart..................................................................................... 6-3

7-1

Port Input/Output Circuitry ............................................................................... 7-1

8-1

System Clock Control Register (SYSCR) ........................................................ 8-1

9-1

Programmable Timer Block Diagram............................................................... 9-1

9-2

Timer Counter and Register Block Diagram .................................................... 9-2

9-3

Programmable Timer Registers (TMRH, TMRL).............................................. 9-3

9-4

Alternate Counter Block Diagram .................................................................... 9-4

9-5

Alternate Counter Registers (ACRH, ACRL) ................................................... 9-4

9-6

Timer Input Capture Block Diagram................................................................. 9-5

9-7

Input Capture Registers (ICRH, ICRL)............................................................. 9-6

9-8

Timer Output Compare Block Diagram............................................................ 9-7

9-9

Output Compare Registers (OCRH, OCRL) .................................................... 9-7

9-10 Timer Control Register (TCR) .......................................................................... 9-8

9-11 Miscellaneous Control and Status Register (MISCR) ...................................... 9-9

9-12 Timer Status Registers (TSR)........................................................................ 9-10

10-1 Timer8 Block Diagram ................................................................................... 10-1

10-2 Timer8 Control and Status Register............................................................... 10-2

10-3 Timer8 Counter Register................................................................................ 10-3

11-1 DAC Control and Data Register..................................................................... 11-1

Freescale Semiconductor, Inc.

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