
S1C63567 TECHNICAL MANUAL
EPSON
iii
CONTENTS
4.12 Sound Generator .......................................................................................... 97
4.12.1 Configuration of sound generator .......................................................... 97
4.12.2 Buzzer output circuit ............................................................................... 97
4.12.3 Control of buzzer output .......................................................................... 98
4.12.4 Setting of buzzer frequency and sound level ........................................... 99
4.12.5 Digital envelope ..................................................................................... 100
4.12.6 One-shot output ...................................................................................... 101
4.12.7 I/O memory of sound generator ............................................................. 102
4.12.8 Programming notes ................................................................................ 105
4.13 SVD (Supply Voltage Detection) Circuit ..................................................... 106
4.13.1 Configuration of SVD circuit ................................................................. 106
4.13.2 Mask option ............................................................................................ 106
4.13.3 SVD operation ........................................................................................ 106
4.13.4 I/O memory of SVD circuit ..................................................................... 107
4.13.5 Programming notes ................................................................................ 108
4.14 Telephone Function (Tone/Pulse Dialer) ................................................... 109
4.14.1 Configuration of tone/pulse dialer ......................................................... 109
4.14.2 Mask option ............................................................................................ 110
4.14.3 Operation of telephone function ............................................................ 110
4.14.4 Tone mode (DTMF) ................................................................................ 113
4.14.5 Pulse mode (DP) .................................................................................... 116
4.14.6 Pause ....................................................................................................... 119
4.14.7 Flash ....................................................................................................... 121
4.14.8 Hold-line ................................................................................................. 122
4.14.9 Interrupt .................................................................................................. 123
4.14.10 I/O memory of telephone function ....................................................... 124
4.14.11 Programming notes .............................................................................. 132
4.15 Interrupt and HALT .................................................................................... 133
4.15.1 Interrupt factor ....................................................................................... 135
4.15.2 Interrupt mask ........................................................................................ 136
4.15.3 Interrupt vector ...................................................................................... 136
4.15.4 I/O memory of interrupt ......................................................................... 137
4.15.5 Programming notes ................................................................................ 138
CHAPTER
5SUMMARY OF NOTES ______________________________________ 139
5.1
Notes for Low Current Consumption .......................................................... 139
5.2
Summary of Notes by Function ................................................................... 140
5.3
Precautions on Mounting ........................................................................... 144
CHAPTER
6BASIC EXTERNAL WIRING DIAGRAM ___________________________ 146
CHAPTER
7ELECTRICAL CHARACTERISTICS _______________________________ 147
7.1
Absolute Maximum Rating .......................................................................... 147
7.2
Recommended Operating Conditions ......................................................... 147
7.3
DC Characteristics ..................................................................................... 148
7.4
Analog Circuit Characteristics and Power Current Consumption ............ 149
7.5
Oscillation Characteristics ......................................................................... 150
7.6
Serial Interface AC Characteristics ........................................................... 152
7.7
Timing Chart ............................................................................................... 153
7.8
Characteristic Curves (reference value) .................................................... 154
7.8.1 Output current characteristics ................................................................. 154
7.8.2 Power current - frequency characteristics ............................................... 156