4-BIT MCU FOR REMOTE CONTROLLER(MASK TYPE) DESCRIPTION SC73C1602 is one of Silan’ s 4-bit CMOS single-chip micro-controllers for infrared remote control transmitters (IRCTs).
It can be implemented in various IRCTs circuits by mask option.
SOP-16-225-1.
27 FEATURES * Wide operating voltage (1.
8~4.
0V) * Low static power consumption (1mA) * ROM: 2K x 9 bits * Data memory: 32 x 4bits * Timer/counter: (10~15 bits) * 8-bit timer, generates various frequencies and duty carrier * 16 I/O pins, four 4-bit I/O ports (export P53) * Oscillator frequency (fosc): fosc=4MHz (TYP.
) or fosc=455KHz(TYP.
) * Operating frequency (fmain): fosc/8 (fosc=4MHz) fosc (fosc=455KHz) * Instruction cycle: 5/fmain * Suppor...

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