Kc89c72 Datasheet < 99% Fast >

// Write register function void writeReg(uint8_t reg, uint8_t value) digitalWrite(A8_PIN, reg & 0x01); // Only A8 matters for 2-register mode // Address mode: digitalWrite(BC1_PIN, HIGH); digitalWrite(BDIR_PIN, HIGH); delayMicroseconds(1); digitalWrite(BC1_PIN, LOW); // Write mode: PORTC = value; // Data out digitalWrite(BDIR_PIN, HIGH); delayMicroseconds(1); digitalWrite(BDIR_PIN, LOW);

The "KC" prefix in the part number is a strong indicator of . During the 1980s and 1990s, several Asian semiconductor firms produced compatible versions of popular Western chips. The KC89C72 is believed to be one such clone, produced for the consumer electronics market. kc89c72 datasheet