Specifications

S1C6P466 TECHNICAL MANUAL EPSON iii
CONTENTS
4.12 Sound Generator .......................................................................................... 79
4.12.1 Configuration of sound generator .......................................................... 79
4.12.2 Mask option ............................................................................................. 79
4.12.3 Control of buzzer output.......................................................................... 79
4.12.4 Setting of buzzer frequency and sound level ........................................... 80
4.12.5 Digital envelope ...................................................................................... 81
4.12.6 One-shot output ....................................................................................... 82
4.12.7 I/O memory of sound generator .............................................................. 83
4.12.8 Programming notes ................................................................................. 85
4.13 SVD (Supply Voltage Detection) Circuit...................................................... 86
4.13.1 Configuration of SVD circuit .................................................................. 86
4.13.2 Mask option ............................................................................................. 86
4.13.3 SVD operation ......................................................................................... 86
4.13.4 I/O memory of SVD circuit...................................................................... 87
4.13.5 Programming notes ................................................................................. 88
4.14 Interrupt and HALT ..................................................................................... 89
4.14.1 Interrupt factor ........................................................................................ 91
4.14.2 Interrupt mask ......................................................................................... 92
4.14.3 Interrupt vector ....................................................................................... 92
4.14.4 I/O memory of interrupt .......................................................................... 93
4.14.5 Programming notes ................................................................................. 95
CHAPTER 5 PROM PROGRAMMING AND OPERATING MODE ____________________ 96
5.1 Configuration of PROM Programmer ......................................................... 96
5.2 Operating Mode ........................................................................................... 98
5.2.1 Normal operation mode ............................................................................ 98
5.2.2 Serial programming mode ......................................................................... 98
5.2.3 Parallel programming mode ..................................................................... 99
CHAPTER 6DIFFERENCES FROM MASK ROM MODELS ______________________ 100
6.1 Mask Option ................................................................................................ 100
6.2 Power Supply .............................................................................................. 101
6.3 PROM, RAM ............................................................................................... 102
6.4 Input/Output Ports and LCD Driver........................................................... 102
6.5 Oscillation Circuit ...................................................................................... 102
6.6 SVD Circuit ................................................................................................. 103
CHAPTER 7SUMMARY OF NOTES ______________________________________ 104
7.1 Notes for Low Current Consumption.......................................................... 104
7.2 Summary of Notes by Function................................................................... 105
7.3 Precautions on Mounting ........................................................................... 109
CHAPTER 8BASIC EXTERNAL WIRING DIAGRAM ___________________________ 111