10
μ
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) .................................................................................................11
2.
BLOCK DIAGRAM .............................................................................................................................15
3.
PIN FUNCTIONS ................................................................................................................................16
3.1
Port Pins .................................................................................................................................................... 16
3.2
Non-Port Pins............................................................................................................................................ 17
3.3
Pin I/O Circuits and Recommended Connection of Unused Pins..................................................... 19
4.
MEMORY SPACE ...............................................................................................................................21
5.
PERIPHERAL HARDWARE FUNCTION FEATURES......................................................................22
5.1
Ports ........................................................................................................................................................... 22
5.2
Clock Generator........................................................................................................................................ 23
5.3
Timer/Counter ........................................................................................................................................... 24
5.4
Clock Output/Buzzer Output Controller................................................................................................ 28
5.5
A/D Converter ........................................................................................................................................... 29
5.6
Serial Interface.......................................................................................................................................... 30
6.
INTERRUPT FUNCTIONS .................................................................................................................33
7.
EXTERNAL DEVICE EXPANSION FUNCTION ...............................................................................36
8.
STANDBY FUNCTION .......................................................................................................................36
9.
RESET FUNCTION ............................................................................................................................36
10. MASK OPTION...................................................................................................................................36
11. INSTRUCTION SET ...........................................................................................................................37
12. ELECTRICAL SPECIFICATIONS......................................................................................................39
12.1 Expanded-Specification Products of
μ
PD780021A, 780022A, 780023A, 780024A .......................... 39
12.2
μ
PD780021AY, 780022AY, 780023AY, 780024AY, and Conventional Products of
μ
PD780021A, 780022A,
780023A, 780024A .................................................................................................................................... 55
12.3 Timing Chart.............................................................................................................................................. 71
13. PACKAGE DRAWINGS .....................................................................................................................77
14. RECOMMENDED SOLDERING CONDITIONS ................................................................................83
APPENDIX A. DEVELOPMENT TOOLS................................................................................................87
APPENDIX B. RELATED DOCUMENTS ...............................................................................................91