5

µPD78044H, 78045H, 78046H

CONTENTS

1.

PIN CONFIGURATION (TOP VIEW) .........................................................................................

6

2.

BLOCK DIAGRAM ......................................................................................................................

8

3.

PIN FUNCTIONS .........................................................................................................................

9

3.1

PORT PINS ..........................................................................................................................................

9

3.2

PINS OTHER THAN PORT PINS .......................................................................................................

11

3.3

PIN I/O CIRCUITS AND PROCESSING OF UNUSED PINS ...........................................................

12

4.

MEMORY SPACE .......................................................................................................................

15

5.

PERIPHERAL HARDWARE FUNCTIONS ................................................................................

16

5.1

PORTS .............................................................................................................................................

16

5.2

CLOCK GENERATOR CIRCUIT ....................................................................................................

17

5.3

TIMER/EVENT COUNTER ..............................................................................................................

17

5.4

CLOCK OUTPUT CONTROL CIRCUIT .........................................................................................

20

5.5

BUZZER OUTPUT CONTROL CIRCUIT .......................................................................................

20

5.6

A/D CONVERTER ...........................................................................................................................

21

5.7

SERIAL INTERFACE ......................................................................................................................

22

5.8

FIP CONTROLLER/DRIVER ..........................................................................................................

23

6.

INTERRUPT FUNCTION AND TEST FUNCTION .....................................................................

25

6.1

INTERRUPT FUNCTION .................................................................................................................

25

6.2

TEST FUNCTION ............................................................................................................................

28

7.

STANDBY FUNCTION ................................................................................................................

29

8.

RESET FUNCTION .....................................................................................................................

29

9.

INSTRUCTION SET ....................................................................................................................

30

10. ELECTRICAL SPECIFICATIONS ..............................................................................................

33

11. PACKAGE DRAWING ................................................................................................................

50

12. RECOMMENDED SOLDERING CONDITIONS .........................................................................

51

APPENDIX A

DEVELOPMENT TOOLS .........................................................................................

52

APPENDIX B

RELATED DOCUMENTS .........................................................................................

54