參數(shù)資料
型號: μPD78P0308Y
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁數(shù): 13/70頁
文件大小: 552K
代理商: ΜPD78P0308Y
13
μ
PD78P0308Y
Preliminary Data Sheet
CONTENTS
1.
DIFFERENCES BETWEEN THE
μ
PD78P0308Y AND MASK ROM VERSIONS ........................ 14
2.
PIN FUNCTIONS .............................................................................................................................. 15
2.1
Pins in Normal Operating Mode .............................................................................................................. 15
2.2
Pins in PROM Programming Mode ......................................................................................................... 18
2.3
Pin Input/Output Circuits and Recommended Connection of Unused Pins.......................................... 19
3.
MEMORY SIZE SWITCHING REGISTER (IMS)............................................................................. 23
4.
INTERNAL EXPANSION RAM SIZE SWITCHING REGISTER (IXS)........................................... 24
5.
PROM PROGRAMMING.................................................................................................................. 25
5.1
Operating Modes...................................................................................................................................... 25
5.2
PROM Write Procedure ........................................................................................................................... 27
5.3
PROM Read Procedure ........................................................................................................................... 31
6.
PROGRAM ERASURE (
μ
PD78P0308YKL-T ONLY)..................................................................... 32
7.
OPAQUE FILM ON ERASURE WINDOW (
μ
PD78P0308YKL-T ONLY) ...................................... 32
8.
ONE-TIME PROM VERSION SCREENING .................................................................................... 32
9.
ELECTRIC SPECIFICATIONS ........................................................................................................ 33
10. PACKAGE DRAWINGS................................................................................................................... 57
APPENDIX A. DEVELOPMENT TOOLS ............................................................................................ 60
APPENDIX B. RELATED DOCUMENTS ............................................................................................ 66
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