
S1C63653 TECHNICAL MANUAL
EPSON
iii
CONTENTS
4.11 Sound Generator .......................................................................................... 77
4.11.1 Configuration of sound generator .......................................................... 77
4.11.2 Control of buzzer output .......................................................................... 77
4.11.3 Setting of buzzer frequency and sound level ........................................... 78
4.11.4 Digital envelope ...................................................................................... 79
4.11.5 One-shot output ....................................................................................... 80
4.11.6 I/O memory of sound generator .............................................................. 81
4.11.7 Programming notes ................................................................................. 83
4.12 R/f Converter ................................................................................................ 84
4.12.1 Configuration of R/f converter ................................................................ 84
4.12.2 Connection terminals and CR oscillation circuit ................................... 85
4.12.3 Operation of R/f conversion .................................................................... 88
4.12.4 Interrupt function .................................................................................... 91
4.12.5 I/O memory of R/f converter ................................................................... 93
4.12.6 Programming notes ................................................................................. 96
4.13 Interrupt and HALT ..................................................................................... 97
4.13.1 Interrupt factor ........................................................................................ 99
4.13.2 Interrupt mask ........................................................................................ 100
4.13.3 Interrupt vector ...................................................................................... 100
4.13.4 I/O memory of interrupt ......................................................................... 101
4.13.5 Programming notes ................................................................................ 102
CHAPTER
5SUMMARY OF NOTES ______________________________________ 103
5.1
Notes for Low Current Consumption .......................................................... 103
5.2
Summary of Notes by Function ................................................................... 104
5.3
Precautions on Mounting ........................................................................... 108
CHAPTER
6BASIC EXTERNAL WIRING DIAGRAM ___________________________ 110
CHAPTER
7ELECTRICAL CHARACTERISTICS _______________________________ 111
7.1
Absolute Maximum Rating .......................................................................... 111
7.2
Recommended Operating Conditions ......................................................... 111
7.3
DC Characteristics ..................................................................................... 111
7.4
Analog Circuit Characteristics and Power Current Consumption ............ 112
7.5
Oscillation Characteristics ......................................................................... 113
7.6
Timing Chart ............................................................................................... 115
7.7
R/f Converter Characteristics ..................................................................... 116
CHAPTER
8CERAMIC PACKAGE FOR TEST SAMPLES _________________________ 117