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MICROCONTROLLER TUTORIALS - 8052

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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

8051 / 8052 Microcontroller
Instruction Set 
JB - Jump if Bit Set

Operation: JB
Function: Jump if Bit Set
Syntax: JB bit addr, reladdr

 

Instructions OpCode Bytes Cycles Flags
JB bit addr,reladdr 0x20 3 2 None

 

Description: JB branches to the address indicated by reladdr if the bit indicated by bit addr is set. If the bit is not set program execution continues with the instruction following the JB instruction.

See Also: JBC, JNB. Instruction Set

 
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