Hardware
S1C62N82 TECHNICAL HARDWARE
EPSON
I-iii
CONTENTS
4.8
Stopwatch Timer ............................................................ I-58
Configuration of stopwatch timer ............................ I-58
Count-up pattern .................................................... I-59
Interrupt function ................................................... I-60
Control of stopwatch timer ...................................... I-61
4.9
Supply Voltage Detection (SVD) Circuit
and Heavy Load Protection Function ............................. I-64
Configuration of SVD circuit
and heavy load protection function .......................... I-64
Operation of SVD detection timing .......................... I-66
Operation of heavy load protection function ............ I-67
Control of SVD circuit
and heavy load protection function .......................... I-68
4.10 Analog Voltage Comparator ........................................... I-70
Configuration of analog voltage comparator ............. I-70
Operation of analog voltage comparator ................... I-71
Control of analog voltage comparator ...................... I-72
4.11 Melody Generator ........................................................... I-73
Outline of melody generator .................................... I-73
Melody data ............................................................ I-92
Playing of silent note ............................................... I-95
Envelope function ................................................... I-96
Playing tempo ......................................................... I-98
Playing mode .......................................................... I-100
Control of the melody generator ............................. I-104
4.12 Interrupt and HALT ........................................................ I-108
Interrupt factors ..................................................... I-110
Specific masks and factor flags for interrupt ........... I-111
Interrupt vectors and priorities ............................... I-112
Control of interrupt ................................................ I-113