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What is WD1402A?

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What is WD1402A?

(a) SPI

(b) USART

(c) SPIUART

(d) I2C

I had been asked this question in homework.

My doubt is from UART Protocol topic in division Internet Principles of IOT

1 Answer

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Best answer
Right answer is (c) SPIUART

Best explanation: WD1402A is the first single chip UART on general sale. Introduced about 1971. Compatible chip included the Fairchild TR1402A and the general instruments AY-5-1013.

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