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UPD784915B Datasheet(PDF) 10 Page - NEC

No. de pieza UPD784915B
Descripción Electrónicos  16-BIT SINGLE-CHIP MICROCONTROLLERS
Download  86 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPD784915B Datasheet(HTML) 10 Page - NEC

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µPD784915B, 784916B
10
CONTENTS
1.
DIFFERENCES AMONG
µPD784915 SUBSERIES PRODUCTS .................................................. 11
2.
PIN FUNCTIONS ..............................................................................................................................
12
2.1
Port Pins ................................................................................................................................................
12
2.2
Non-Port Pins ........................................................................................................................................
13
2.3
I/O Circuits and Connection of Unused Pins ......................................................................................
15
3.
INTERNAL BLOCK FUNCTIONS ....................................................................................................
19
3.1
CPU Registers .......................................................................................................................................
19
3.1.1 General-purpose registers .........................................................................................................
19
3.1.2 Other CPU registers ....................................................................................................................
20
3.2
Memory Space .......................................................................................................................................
20
3.3
Special Function Registers (SFRs) .....................................................................................................
23
3.4
Ports .......................................................................................................................................................
28
3.5
Real-time Output Port ...........................................................................................................................
29
3.6
Super Timer Unit ...................................................................................................................................
33
3.7
Serial Interface ......................................................................................................................................
38
3.8
A/D Converter ........................................................................................................................................
40
3.9
VCR Analog Circuits .............................................................................................................................
41
3.10
Watch Function .....................................................................................................................................
47
3.11
Clock Output Function .........................................................................................................................
48
4.
INTERNAL/EXTERNAL CONTROL FUNCTION ............................................................................
49
4.1
Interrupt Function .................................................................................................................................
49
4.1.1 Vector interrupt ...........................................................................................................................
51
4.1.2 Context switching .......................................................................................................................
51
4.1.3 Macro service ..............................................................................................................................
52
4.1.4 Application example of macro service .....................................................................................54
4.2
Standby Function ..................................................................................................................................
57
4.3
Clock Generator Circuit ........................................................................................................................
59
4.4
Reset Function ......................................................................................................................................
60
5.
INSTRUCTION SETS .......................................................................................................................
61
6.
ELECTRICAL CHARACTERISTICS ...............................................................................................
65
7.
PACKAGE DRAWING .....................................................................................................................
77
8.
RECOMMENDED SOLDERING CONDITIONS ...............................................................................
78
APPENDIX A. DEVELOPMENT TOOLS ...............................................................................................
79
APPENDIX B. RELATED DOCUMENTS ...............................................................................................
81


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