
12
m
PD78P083(A)
CONTENTS
1.
DIFFERENCES BETWEEN THE
m
PD78P083(A) AND MASK ROM VERSIONS ....................... 13
2.
PIN FUNCTIONS............................................................................................................................. 14
2.1
Pins in Normal Operating Mode............................................................................................................ 14
2.2
Pins in PROM Programming Mode....................................................................................................... 16
2.3
Pin Input/Output Circuits and Recommended Connection of Unused Pins .................................. 16
3.
INTERNAL MEMORY SIZE SWITCHING REGISTER (IMS) ........................................................ 18
4.
PROM PROGRAMMING................................................................................................................. 19
4.1
Operating Modes..................................................................................................................................... 19
4.2
PROM Write Procedure .......................................................................................................................... 21
4.3
PROM Read Procedure .......................................................................................................................... 25
5.
ONE-TIME PROM VERSION SCREENING................................................................................... 26
6.
ELECTRICAL SPECIFICATIONS .................................................................................................. 27
7.
PACKAGE DRAWINGS ................................................................................................................. 45
8.
RECOMMENDED SOLDERING CONDITIONS ............................................................................. 48
APPENDIX A.
DEVELOPMENT TOOLS ........................................................................................... 49
APPENDIX B.
RELATED DOCUMENTS ........................................................................................... 51