UPD61P34BGS View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD61P34BGS
NEC => Renesas Technology
UPD61P34BGS Datasheet PDF : 207 Pages
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6.2.1 Description of processing ................................................................................................ 45
6.2.2 Detailed flow chart ............................................................................................................. 52
6.3 Transmission Processing ............................................................................................. 65
6.3.1 Description of processing ................................................................................................ 66
6.3.2 Detailed flow chart ............................................................................................................. 71
CHAPTER 7 CAUTIONS ON PROGRAM REVISIONS ........................................................................... 83
CHAPTER 8 PROGRAM LIST ................................................................................................................. 85
PART 3 80-KEY PROGRAM ............................................................................................... 101
CHAPTER 1 HARDWARE CONFIGURATION ...................................................................................... 103
1.1 Application Circuit Example ...................................................................................... 103
1.2 Key Matrix ..................................................................................................................... 104
CHAPTER 2 TRANSMISSION WAVEFORM ......................................................................................... 105
2.1 NEC-R Format ............................................................................................................... 105
CHAPTER 3 TIMING CHARTS .............................................................................................................. 107
3.1 Timing Charts for Key Input to REM Output ........................................................... 107
3.1.1 Timing when a key is pressed and held ...................................................................... 107
3.1.2 Timing during key OFF status ....................................................................................... 108
3.2 Timing Charts of Key Operations ............................................................................. 111
3.2.1 Output patterns prior to key confirmation .................................................................. 111
3.2.2 Operation of combination key ....................................................................................... 118
3.2.3 Key transfer operation .................................................................................................... 120
CHAPTER 4 OUTPUT CODES .............................................................................................................. 121
CHAPTER 5 SOFTWARE CONFIGURATION ....................................................................................... 123
5.1 General Flow Chart ...................................................................................................... 123
5.2 Program Memory (ROM) Configuration ................................................................... 124
5.3 Data Memory (RAM) Configuration ........................................................................... 126
5.4 Flag Maps ...................................................................................................................... 132
CHAPTER 6 PROGRAM DESCRIPTION .............................................................................................. 133
6.1 Initial Settings ............................................................................................................... 133
6.1.1 Description of processing .............................................................................................. 133
6.1.2 Detailed flow chart ........................................................................................................... 137
6.2 Key Input Processing .................................................................................................. 139
6.2.1 Description of processing .............................................................................................. 139
6.2.2 Detailed flow chart ........................................................................................................... 146
6.3 Transmission Processing ........................................................................................... 158
6.3.1 Description of processing .............................................................................................. 159
6.3.2 Detailed flow chart ........................................................................................................... 164
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