Microcontroller set 29

Que: 292. P2CA4-P2CA0 bits are used for
a. giving the power supply to the comparator module
b. for selecting the mode of operation of the comparator
c. for connecting the non inverting inputs to the CA0-CA2 pins
d. all of the mentioned
Discussion
Que: 293. CAREFx bits are used for
a. inputting a positive reference voltage
b. inputting a negative reference voltage
c. selecting the internal reference voltage
d. all of the mentioned
Discussion
Que: 294. Which of the following bits are not actually associated with the comparator module.
a. CAREFx
b. CLLDx
c. CAON
d. CAIFG
Discussion
Que: 295. Flag CAIFG is raised,
a. at a low level triggered pulse
b. at a high level triggered pulse
c. at the falling and rising edge of the pulse
d. at the falling or rising edge of the pulse
Discussion
Que: 296. Setting a bit in the Port Disable register CAPD causes the circuits for the usual digital input and output buffers to be disconnected from the appropriate pin.
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Discussion
Que: 297. Which bit is used for exchanging the two inputs of the comparator and invert its output to compensate?
a. CAIFG
b. CASHORT
c. CAPD
d. CAEX
Discussion
Que: 298. Changes in Vcc changes the value of V+ ?
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Discussion
Que: 299. The relaxation oscillator circuit helps in
a. calculating the duration single RC transient
b. setting the reference voltage
c. setting the clock frequency
d. calculating the conversion speed
Discussion
Que: 300. The successive approximation converters have resolution of
a. 8-10 bits
b. 10-12 bits
c. 12-16 bits
d. 16-32 bits
Discussion
Que: 301. In SAR based conversions, each bit typically requires one clock cycle (sometimes two) to make a comparison and set up the new voltage.
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Discussion