AT89S52 INTERFACING PDF

Before going into detail, we should get some brief idea about microcontroller AT89S It is 40 pin microcontroller, and has 4 ports P0,P1,P2,P3 , each port have 8 pins. We can consider each port as 8 bit register, from the software point of view. Some pins have the Dual functionality, which has been mentioned in bracket in Pin Diagram below. Dual functionally like for interrupt, counters, timers etc.

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I am new to microcontrollers and this is a program I wrote in order to interface AT89s52 to the hc05 Bluetooth module.

The desired output is not obtained what is going wrong here? That code, as presented, has at least 6 flat-out syntax errors, so it wouldn'nt even compile. On top of that it has other logic faults that would make it do rather a different thing than you apparently to want it to:. View all questions in Keil forum.

Site Search User. Software Tools. Reply Cancel Cancel. Did you really have to start a whole new thread? Up 0 Down Reply Accept answer Cancel. So what output, exactly, did you desire? And what did you actually get? And what have you done to investigate the problem? Your code layout is a mess.

People will be more inclined to look at well-presented code. More questions in this forum. All recent questions Unread questions Questions you've participated in Questions you've asked Unanswered questions Answered questions Questions with suggested answers Questions with no replies.

Not Answered. Note for us 0 Run time error Microcontroller Compilation error Syntax error. Started 5 hours ago by INeedToLearn. Latest 7 hours ago by Adam Lins. Latest 16 hours ago by R. Suggested Answer. Latest 1 day ago by ahmet. Latest 1 day ago by Andy Neil.

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interfacing at89s52 with bluetooth

I am new to microcontrollers and this is a program I wrote in order to interface AT89s52 to the hc05 Bluetooth module. The desired output is not obtained what is going wrong here? That code, as presented, has at least 6 flat-out syntax errors, so it wouldn'nt even compile. On top of that it has other logic faults that would make it do rather a different thing than you apparently to want it to:. View all questions in Keil forum. Site Search User. Software Tools.

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AT89S52 Mini Development Board – LCD Interfacing

The device uses Microchip high-density, nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. On-chip flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. This powerful microcontroller is suitable for many embedded control applications. For pricing and availability, contact Microchip Local Sales. Development Environment. Similar Devices.

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LCD Interfacing With 8051 (AT89S52)

AT89S52 is a typical microcontroller manufactured by Atmel. You only need to make 2 connections between the 24C04 IC and microcontroller. So lets get to business! It has a memory capacity of 4 kilobits. The memory is divided into 32 pages, with each page containing 16 bytes.

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Interfacing External Memory EEPROM to 8051 Microcontroller

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