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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 
JNZ - Jump if Accumulator not Zero

Operation: JNZ
Function: Jump if Accumulator Not Zero
Syntax: JNZ reladdr

 

Instructions OpCode Bytes Cycles Flags
JNZ reladdr 0x70 2 2 None

 

Description: JNZ will branch to the address indicated by reladdr if the Accumulator contains any value except 0. If the value of the Accumulator is zero program execution continues with the instruction following the JNZ instruction.

See Also: JZ, Instruction Set

 
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