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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 
JNB - Jump if Bit not Set

Operation: JNB
Function: Jump if Bit Not Set
Syntax: JNB bit addr,reladdr

 

Instructions OpCode Bytes Cycles Flags
JNB bit addr,reladdr 0x30 3 2 None

 

Description: JNB will branch to the address indicated by reladdress if the indicated bit is not set. If the bit is set program execution continues with the instruction following the JNB instruction.

See Also: JB, JBC, Instruction Set

 
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