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MICROCONTROLLER TUTORIALS - 8052

Tutorials

 

Circuits

8051

Introduction

Chapter 1
Types of Memory

Chapter 2
Special Function Registers

Chapter 3
Basic Registers

Chapter 4
Addressing Modes

Chapter 5
Program Flow

Chapter 6
Low Level Information

Chapter 7
Timers

Chapter 8
Serial Port Operations

Chapter 9
Interrupts

Additional Features in 8052

8052 Instruction Set
 

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8051 / 8052 Microcontroller
Instruction Set 
DIV - Divide Accumulator by B

Operation: DIV
Function: Divide Accumulator by B
Syntax: DIV AB

 

Instructions OpCode Bytes Cycles Flags
DIV AB 0x84 1 1 C, OV

 

Description: Divides the unsigned value of the Accumulator by the unsigned value of the "B" register. The resulting quotient is placed in the Accumulator and the remainder is placed in the "B" register.

The Carry flag (C) is always cleared.

The Overflow flag (OV) is set if division by 0 was attempted, otherwise it is cleared.

See Also: MUL AB, Instruction Set

 
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