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Pull-up resistors Rp keep the lines at VCC when _____________

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+1 vote
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in Microcontroller by (14.6k points)
Pull-up resistors Rp keep the lines at VCC when _____________

(a) all the drivers are active

(b) none of the drivers are active

(c) some the drivers are at sleep

(d) none of the drivers is at sleep

This question was addressed to me in final exam.

My doubt is from I2C topic in section MSP430 Microcontroller of Microcontroller

1 Answer

0 votes
by (24.2k points)
Correct option is (b) none of the drivers are active

To explain: Pull-up resistors Rp keep the lines at VCC when all of the drivers are active.

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