RefreshNotes: 8051

8051 Question Bank

8051 Projects

8051 Program - memory subroutines

8051 Program - conversion subroutines

8051 Program - math subroutines

8051 Program - i2c subroutines

8051 Program - day of week calculation

8051 Program - 5 digit decimal to binary

8051 Program - byte to ascii

8051 Program - 16 bit binary to ascii

8051 Program - bcd byte

8051 Program - 16 bit hex to bcd

8051 Program - serial port autobaud

8051 Program - 8-16 channel adc

8051 Program - 32bit multiplication

8051 Program - running led

8051 Program - 8 bit lcd code

8051 Program - 4 bit lcd code

8051 Program - return length of string

8051 Program - remove trailing spaces

8051 Program - locate ETX in string

8051 Program - replace 0x00 with ETX in string

8051 Program - copy xram to xram string

8051 Program - copy xram to xram

8051 Program - copy rom to xram string

8051 Program - copy rom to xram

8051 Program - copy iram to xram

8051 Program - copy xram to iram

8051 Program - divide

8051 Program - sign fixup for divide

8051 Program - signed mod

8051 Program - signed divide

8051 Program - unsigned mod

8051 Program - unsigned divide

8051 Program - count ascii decimal in string

8051 Program - validate string for A..Z, a..z, 0..9

8051 Program - validate acc for A..Z, a..z, 0..9

8051 Program - validate acc for ascii hex

8051 Program - validate acc for ascii decimal

8051 Program - convert dptr to unsigned string

8051 Program - convert dptr to signed string

8051 Program - convert 12bit binary to bcd

8051 Program - convert 8bit binary to bcd

8051 Program - convert binary to ascii base36

8051 Program - convert binary to ascii

8051 Program - convert base36 value to binary

8051 Program - convert bcd value to hex

8051 Program - convert ascii decimal to binary

8051 Program - convert ascii hex to binary

8051 Program - convert acc to uppercase

8051 Program - convert acc to lowercase

8051 Program - call function dptr points to

8051 Program - multiply dptr by 1000

8051 Program - multiply dptr by 100

8051 Program - multiply dptr by 10

8051 Program - shift r3r4r5r6r7 4bits left

8051 Program - shift dptr left

8051 Program - rotate dptr left 4bits

8051 Program - shift dptr right

8051 Program - arithmetic shift right dptr

8051 Program - decrement dptr

8051 Program - 2s complement dptr

8051 Program - exchange r6r7 and dptr

8051 Program - exchange r0r1 and dptr

8051 Program - store r6r7 to dptr xram

8051 Program - load dptr from (dptr) xram

8051 Program - load dptr from (dptr) rom

8051 Program - shift a 16 bit iram value 4 bits left

8051 Program - compare dptr to ba

8051 Program - compare dptr to 16bit iram value

8051 Program - increment 16bit in iram

8051 Program - subtract ba from dptr

8051 Program - subtract acc from dptr

8051 Program - add ba to dptr

8051 Program - add acc to dptr

8051 Program - signed 16bit multiply Accumulate table

8051 Program - signed 16bit multiply divide

8051 Program - unsigned 32bit division

8051 Program - signed 32bit division

8051 Program - unsigned 16bit division

8051 Program - signed 16bit division

8051 Program - unsigned 8bit division

8051 Program - signed 8bit division

8051 Program - signed 16bit multiply Accumulate

8051 Program - unsigned 16bit multiplication

8051 Program - signed 16bit multiplication

8051 Program - signed 8bit x 16bit multiplication

8051 Program - unsigned 8bit multiplication

8051 Program - signed 8bit multiplication

8051 Program - signed 32bit subtraction

8051 Program - signed 16bit subtraction

8051 Program - signed 32bit addition

8051 Program - signed 16bit addition

8051 Program - signed 8bit to 16bit conversion

8051 Program - unsigned to signed conversion 32bit

8051 Program - unsigned to signed conversion 16bit

8051 Program - unsigned to signed conversion 8bit

8051 Program - signed to unsigned conversion 32bit

8051 Program - signed to unsigned conversion 16bit

8051 Program - signed to unsigned conversion 8bit

8051 Program - detect switch debounce

8051 Program - timer interrupt based led blinking

8051 Program - timer based led blinking

8051 Program - simple serial transmission

8051 Program - serializing data

8051 Program - send ascii to port

8051 Program - port loopback

8051 Program - polling an io pin

8051 Program - parity generation

8051 Program - logical operation

8051 Program - led rotation pattern

8051 Program - frequency measurement

8051 Program - count external interrupt

8051 Program - bit shifting

8051 Program - 16bit random number generator

8051 Program - 8bit random number generator

8051 Program - 1sec delay timer

8051 Program - 1ms delay

8051 Program - check nth bit of a byte

8051 Program - check for NULL

8051 Program - ones and twos complement

8051 Program - find out of range data

8051 Program - count 0 and 1 in a byte

8051 Program - count number of ones in a byte

8051 Program - square and cube operation

8051 Program - square root of a given number 8bit

8051 Program - square of a given number 8bit

8051 Program - search a byte in array and count match

8051 Program - search an element in an array

8051 Program - gcf of two numbers

8051 Program - lcm of two numbers

8051 Program - fibonacci series

8051 Program - factorial of a given number

8051 Program - largest element in an array

8051 Program - smallest element in an array

8051 Program - hex up and down counters

8051 Program - bcd up and down counters

8051 Program - bcd down counter 8bit

8051 Program - bcd up counter 8bit

8051 Program - down counter 8bit

8051 Program - up counter 8bit

8051 Program - bubble sort descending order

8051 Program - bubble sort ascending order

8051 Program - sorting descending order

8051 Program - sorting ascending order

8051 Program - stair wave

8051 Program - sawtooth wave

8051 Program - triangular wave

8051 Program - sine wave

8051 Program - pwm

8051 Program - 10khz square wave

8051 Program - 2khz square wave

8051 Program - 1khz square wave

8051 Program - hex to bcd 12bit

8051 Program - hex to bcd 8bit

8051 Program - bcd to hex 8bit

8051 Program - ascii to bcd

8051 Program - bcd to ascii

8051 Program - ascii to hex

8051 Program - hex to ascii

8051 Program - ascii to decimal

8051 Program - decimal to ascii

8051 Program - hex to decimal 8bit

8051 Program - decimal to hex

8051 Program - average of a set of numbers

8051 Program - sum of set of numbers in external ram

8051 Program - sum of a set of numbers

8051 Program - addition 8bit 2digit bcd

8051 Program - multiplication 16bit by 8bit

8051 Program - addition multibyte

8051 Program - division 16bit

8051 Program - multiplication 16bit

8051 Program - subtraction 16bit

8051 Program - addition 16bit

8051 Program - division 8bit

8051 Program - multiplication 8bit

8051 Program - subtraction 8bit

8051 Program - addition 8bit

8051 Program - arithmetic operation 8bit

8051 Program - swap nibbles

8051 Program - memory compare

8051 Program - exchange block of data external memory

8051 Program - exchange content of two ram locations

8051 Program - move block of data external memory

8051 Program - move block of data with overlap

8051 Program - move block of data without overlap

8051 Program - rom to ram

8051 Program - external ram to internal ram

8051 Program - internal ram to external ram

8051 Program - ram to ram

8051 Program - clear stack memory

8051 Program - clear bit memory

8051 Program - clear register banks

8051 Development Boards and Evaluation Kits

8051 Software Development Tools

8051 Timer Delay Calculation

8051 Serial Baudrate Calculation

8051 Crystal and Baudrate

8051 Enhanced Version 8052

8051 Assembly Template

8051 Interrupt Vector Table

8051 DC Motor Interfacing

8051 Stepper Motor Interfacing

8051 Sensor Interfacing

8051 Relay Interfacing

8051 DAC Interfacing

8051 ADC Interfacing

8051 LCD Interfacing

8051 7-Segment Display Interfacing

8051 Keyboard Interfacing

8051 Switch Interfacing

8051 LED Interfacing

8051 Memory Mapped IO

8051 External Data Memory Interfacing

8051 External Program Memory Interfacing

8051 Programming External Interrupt

8051 Programming Serial Interrupt

8051 Programming Timer Interrupt

8051 Serial Port Programming

8051 Counter

8051 Timer Programming

8051 IO Port Programming

8051 Delay

8051 Loop

8051 Return from Subroutine and Interrupt

8051 Absolute Call

8051 Long Call

8051 Jump if Bit is Set and Clear Bit

8051 Jump if Bit Not Set

8051 Jump if Bit Set

8051 Jump if Carry is Not Set

8051 Jump if Carry is Set

8051 Decrement and Jump if Not Zero

8051 Compare and Jump if Not Equal

8051 Jump if Accumulator Not Zero

8051 Jump if Accumulator Zero

8051 Unconditional and Conditional Jump

8051 No Operation

8051 Push and Pop

8051 Exchange Digit

8051 Exchange Accumulator

8051 Swap Nibble

8051 Rotate Accumulator

8051 Clear Accumulator and Bit

8051 Set Bit

8051 Complement Accumulator and Bit

8051 Logical XOR for Byte

8051 Logical OR for Byte and Bit

8051 Logical AND for Byte and Bit

8051 Decrement Byte

8051 Increment Byte and DPTR

8051 Signed Numbers

8051 Division Unsigned 8-bit

8051 Multiplication Unsigned 8-bit

8051 Subtraction of 16-bit Numbers

8051 Subtraction of Unsigned Numbers

8051 Binary Coded Decimal

8051 Addition of 16-bit Numbers

8051 Addition of Unsigned Numbers

8051 Addition with Carry

8051 Data Types and Directives

8051 Simulator

8051 Assembling a Program

8051 Assembly Programming

8051 Register Bank and Stack

8051 Instructions and Examples

8051 XRL Instruction

8051 XCHD Instruction

8051 XCH Instruction

8051 SWAP Instruction

8051 SUBB Instruction

8051 SJMP Instruction

8051 SETB Instruction

8051 RETI Instruction

8051 RET Instruction

8051 PUSH Instruction

8051 MOVX Instruction

8051 MOVC Instruction

8051 MOV Instruction

8051 LJMP Instruction

8051 LCALL Instruction

8051 DJNZ Instruction

8051 CJNE Instruction

8051 ANL Instruction

8051 AJMP Instruction

8051 ADDC Instruction

8051 ADD Instruction

8051 ACALL Instruction

8051 Instructions that Affect Flag Settings

8051 Instruction Opcode

8051 Program Branching Instructions

8051 Boolean Variable Manipulation Instructions

8051 Data Transfer Instructions

8051 Logical Operation Instructions

8051 Arithmetic Operation Instructions

8051 Instruction Set Summary

8051 Machine Cycle

8051 Instruction Cycle

8051 Instruction Set Overview

8051 External Addressing Mode

8051 Indexed Addressing Mode

8051 Long Addressing Mode

8051 Absolute Addressing Mode

8051 Relative Addressing Mode

8051 Immediate Addressing Mode

8051 Indirect Addressing Mode

8051 Direct Addressing Mode

8051 Register Addressing Mode

8051 Addressing Modes

8051 Special Function Registers