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WorksheetsCAN vs SPI
Total questions: 15
Worksheet time: 11mins
SPI device communicates in _________
Simplex
Half duplex
Full duplex
Both half and full duplex
Do SPI have/has a single master?
True
False
Which of the following is an advantage of SPI?
No start and stop bits
Use 4 wires
Allows for single master
Error checking is not present
MOSI means __________
Line for master to send data to the slave
Line for the slave to send data to the master
Line for the clock signal
Line for the master to select which slave to send data to
Which of the following is the disadvantage in SPI?
Full duplex communication
Push pull drivers
Unidirectional signals
More pins
In Automotive systems, High speed Electronics Control Units (HECUs) are deployed in
a.Fuel Injection systems
b.Antilock Brake systems
c. Wiper Control
both a & b
In Automotive system , Low speed electronic control units (LECU) are
deployed in
Electronic throttle
Steering control
Transmission control
Mirror control
The first embedded systems used in automotive applications is the microprocessor based fuel injection systems introduced by ______________in 1968.
BMW
Volkswagen 1600
Benz E class
KIA
The first embedded systems used in automotive applications is the CAN based systems introduced by ______________in 1991.
Benz
Bosch
BMW
Testla
CAN is ______________
Message oriented
Address oriented
clock oriented
none
What is the length of the CRC and CRC delimiter?
CRC= 15
CRC Delimiter =1
CRC= 14
CRC Delimiter =1
CRC= 15
CRC Delimiter =2
CRC= 14
CRC Delimiter =2
CAN Follows_________
Wired AND Logic
0 Dominant
1 Recessive
all the above
The CAN has a serial line, which is bidirectional
True
False
CAN is mainly used in
automotive electronics
medical electronics
industrial plant
all the above
Why Can is Having 120 Ohms At Each End?
To minimize the reflection reference
To ensure that reflection does not cause communication failure
transmission line must be terminated
To reduce noise
