What does the B in B scan stand for?

Definition. B-SCAN. Surface Channel Display Console (Tartar)

What is the meaning of SCON?

SCON

Acronym	Definition
SCON	Server CONsolidation
SCON	Serial Port Control Register (Intel 8051 Microcontroller)
SCON	Scheme Contracted-Out Number (UK)
SCON	Student Consultant (University of New Mexico)

What means Scion?

1 : a detached living portion of a plant (such as a bud or shoot) joined to a stock in grafting and usually supplying solely aerial parts to a graft. 2a : descendant, child especially : a descendant of a wealthy, aristocratic, or influential family. b : heir sense 1 scion of a railroad empire.

Is SCON a word?

No, scon is not in the scrabble dictionary.

What is SCON register?

SCON (Serial Control) It is located as an address of 98H. Using SCON, you can control the Operation Modes of the Serial Port, Baud Rate of the Serial Port and Send or Receive Data using Serial Port. SCON Register also consists of bits that are automatically SET when a byte of data is transmitted or received.

What is the function of Sbuf register?

Its an 8 bit register used solely for serial communication in 8051. For a byte of data to be transferred via TxD line, it muse be placed in SBUF register. Similarly SBUF register holds the serially inputed data received by TxD line of 8051.

What is the function of a SCON register?

What is the function of the SCON register? Explanation: SCON register is mainly used for programming the start bits, stop bits and data bits of framing. As it consists of bits like RB8, TB8, SM0, SM1, SM2 etc.

What is the function of TCON register?

Timer Control Register (TCON): TCON is another register used to control operations of counter and timers in microcontrollers. It is an 8-bit register wherein four upper bits are responsible for timers and counters and lower bits are responsible for interrupts.

What is the function of DPTR?

DPTR is meant for pointing to data. It is used by the 8051 to access external memory using the address indicated by DPTR. DPTR is the only 16-bit register available and is often used to store 2-byte values.

What is the difference between timers and counters?

A timer uses the frequency of the internal clock, and generates delay. A counter uses an external signal to count pulses.

Is TMOD bit addressable?

TIMER MODE REGISTER (TMOD) TMOD is not bit-addressable. Generally, it is loaded once by software at the beginning of a program to initialize the timer mode. In each case, the lower 2 bits are used to set the timer mode and the upper 2 bits to specify the operation.

What is significance of gate bit of TMOD register?

TMOD Bit Function. 7. Gate — OR gate enable bit which controls RUN/STOP of timer 1. Set to 1 by program to enable timer to run if bit TR1 in TCON is set and signal on external interrupt INT1 is high.

What is TH1 in 8051?

The internal UART block of 8051 divides this machine cycle frequency by 32, which gives the frequency of 28800 Hz which is used by UART. To achieve a baud rate of 9600, again 28800 Hz frequency should be divided by 3. This is achieved by using Timer1 in mode-2 (auto-reload mode) by putting 253 in TH1 (8-bit reg.)

Which SFR from following is not bit addressable?

Embedded Systems – SFR Registers

Byte Address	Bit Address
8B	Not bit Addressable	TL1
8A	Not bit Addressable	TL0
89	Not bit Addressable	TMOD
88	8F	TCON

Why are the 32 registers divided into 4 banks?

A total of 32 bytes of RAM are set aside for the register banks and the stack. These 32 bytes are divided into four register banks in which each bank has 8 registers, R0–R7. Finally, RAM locations 18H to 1FH are set aside for the fourth bank of R0–R7.

When RS1 RS0 is 10 which bank gets selected?

Solution: If RS1=1, RS0=1, then the register bank selected is register bank 3.

What bit addresses are assigned to P0?

The byte address for IE is A8H. (b) SETB 84H Bit address of 84 is located in P0. The byte address for P0 is 80H.

What is T1 in 8051?

1 – T2 is used as transmit clock for the serial port. 0 – T1 is used as transmit clock for the serial port.

What bit addressing?

Bit-addressable objects are objects that may be addressed as words or as bits. Only data objects that occupy the bit-addressable area of the 8051 internal memory fall into this category. The Cx51 Compiler places variables declared with the bdata memory type into the bit-addressable area.

How an I O pin can be both an input and output?

8051 microcontrollers have 4 I/O ports each of 8-bit, which can be configured as input or output. Hence, total 32 input/output pins allow the microcontroller to be connected with the peripheral devices. Pin configuration, i.e. the pin can be configured as 1 for input and 0 for output as per the logic state.

Why does Port 0 need pull up resistors?

Again, port 0 is open drain hence it requires pull-ups and all other ports are not having open drain its not left to user. If port 0 has to be used as i/o port its must to connect pull up resistor. Again, port 0 is open drain hence it requires pull-ups and all other ports are not having open drain its not left to user.

How many external pull up resistors are used in port 0?

Full Member level 5. Pull-ups are used so that components with a different driving voltage can be connected to the microcontroller.

Which 8051 port has no dual role?

Question:-Which input output port does not have a dual purpose role in 8051? Answer:-The Intel 8051 microcontroller does not have a dual purpose role in 8051.

Which I O port does not have dual purpose?

The I/O port that does not have a dual-purpose role is: A. C. D….Exercise :: The 8051 Microcontroller – General Questions.

A.	The 8031 has no interrupts.
D.	The 8051 has 64 bytes more memory.

How many ports are in 8051?

How many data lines are there in a 16 * 2 alphanumeric LCD?

eight data lines