Architecture
8 bit microcontroller
How many bit microcontroller is 8051?
Add with carry
Full form of ADC
Timer 0 & Timer 1
Which are the 2 timers available in the 8051
5 interrupts
how many interrupts
TI & RI
Which are the flags associated with serial communication
Program status word
Which register tells the status after arithmetic and logical operations?
ORG
Example of the Assembler directive
16 bit
External h/w 0, Timer 0, External h/w 1, Timer 1, Serial COM
List the Interrupt Priorities in 8051.
REN
Which is the bit which should mandatorily be 1 while receiving/transferring data?
128 bytes
RAM size available for the user to deal with data
DA A
Which instruction is used to convert the non-BCD number to BCD number in BCD Addition?
TMOD
where do you select the timer modes from
IE register
SFR associated with the enabling and disabling of interrupts
scon
what is the SFR associated with serial communication
Reg A
which is the very versatile register
CJNE
Conditional jumping with comparison
TF0 & TF1
Which are the timer flags ?
IP register
SFR used to prioritize the interrupts
SBUF
To which register the data is to be loaded to transfer?
In which register the data is received in when data is sent by other device to 8051.
Port 3
Which is the multi functional port
RRC A
Major instruction used to count the number of 1s in Accumulator
65536
The maximum count of timers in decimal.
The way of doing a work and keeping an eye on the same
Polling
PCON
SFR used to double the Baudrate