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DESCRIPTION OF LSI
LSI(IXA128DR) The I/O signals of the LSI(IXA128DR) are detailed in the following table.
Pin No. 11
Signal D1
I/O OUT
Description Magnetron high-voltage circuit driving signal. To turn on and off the cook relay (RY1). The signal holds "L" level during microwave cooking and "H" level while not cooking. In other cooking modes (70%, 50%, 30%, 10%) the signal turns to "H" level and "L" level in repetition according to the power level.
ON/OFF time ratio in Micro cooking (a. 32second time base) MICRO COOK 100% 70% 50% 30% 10% ON 32sec. 24sec. 18sec. 12sec. 6sec. OFF 0sec. 8sec. 14sec. 20sec. 26sec.
12 13
D0 INT
OUT IN
Terminal not used. Signal to synchronize LSI with commercial power source frequency. This is basic timing for all real time processing of LSI.
H : 5V
L : 0V 20 msec
14-16 17-20
P12-P10 P03-P00
OUT IN
Terminal not used. Terminal to change the Models and functions.
