can't we download hex file without the help of computer. we can use some othe device like pen drive or sd card to carry the hex file and download it into mcu.

hai kindly tel me how to swap the nipples.

I am getting error like this...program is running fine,when all file made to one main file..bt problem while creating different file....can some one suggest,how to clear this.
linking...
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS SYMBOL: LCD_INIT MODULE…

Hi, I'm writing a code for digital clock in Keil C, but I'm not getting the expected results. Can anybody please help me with the program? The code is as follows..

#include <AT892051.H>
#include <stdio.h>
#include <intrins.h>…

Hi, I'm writing a code for digital clock in Keil C, but I'm not getting the expected results. Can anybody please help me with the program? The code is as follows..

#include <AT892051.H>
#include <stdio.h>
#include <intrins.h>…

can't we download hex file without the help of computer. we can use some othe device like pen drive or sd card to carry the hex file and download it into mcu.

Hello,

I am just using Philips ISP1181a USB high speed Interface device for commuicating USB host. Philips provided the standard C programs for interface the 8051 microcontroller with isp1181a,it shows some errors while i am compiling and it shows the…

Hi All,

I am trying to interface a simple 4x3 keypad i have never used 2051, i am using port 3.
The pins i am using are p3.0,p3.1,p3.2,p3.3,p3.4,p3.5,p3.7

this is the basic code i am using

unsigned int keyData()
{

        unsigned int i,j;
  …

I am new to AVR Programming and i have made my scope of study on 8051 family. i have made a project on UART , my MCU is connected to the PC via MAX232 but my probelem is that i have only free ports from P1.0 to P1.7 and two of P3 pins and i want to use…

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Dear All,

I am using microvision 2 and c8051F12x.

I want to execute a function stored in the code memory using a toolbox button. I have created a toolbox button which loads the PC with the address of the particular function.That is working fine and…

i want programs of interfacing of 89c51 with lcd and memory (24c256)

Dear all,
I am going to design a simple data aquisition system.
I am newbie to FFT and uC.
See if there is any recommendation.

Thanks.

Bill

Can anyone tell me the different between analogue and digital ground and how do i know which components are fall under which side??

I mean version number of my application. See on Ingedev 2.32(tool for application development), on Project Menu + Project configuration. I can change my application version but once i increment it my application functions improperly. Even if i have not…

I want to locate a function
(eg. unsigned char xyz) at the specific flash-address 0xC0F000.
How do I tell the linker/compiler to do so?

Thanks in advance

I dunno how to program this timer. I have a ATMEL T89C51RD2 Microcontroller have 2 mode for internal timing
(1)40Mhz for standard mode(default)
(2)and 20Mhz in X2 Mode.
However, I am using a 16Mhz as an exertnal frequency.

Problem
(1)I need to program…

Hi
May be my question seems to be Irrelevant to this forum but your answer can help me. I am making a file system it is working well in case of files but i donot know how to store directies in it. I searched a lot.
These things i know from research
1…

I want to change the DPXL from 01h (default) to FFh(the region address of the code memory)

So I can access(R/W) the code memory by the inst(MOVX)

When I use the simulator of the C251 eval version,
there's error message while I access in this way.…

I want to compiler the C program to the machine code without some instruction need prefix by c251 compiler in source mode.
If keilC251(IDE version) has any option to do it?

Thanks for your great help.

ohhh.. sorry .. i am using RTX51 Tiny RTOS.. all this is for understanding purpose.. i want to know is there way to access registers of processor with tiny.. and how rtos share its resources among various concurrent tasks....

Hello

Is there a way to acquire the RTX51 Real-Time Kernel , not the tiny version but the full one. I ve been using the tiny version for a while but the extra features of the full one like task priorities and semaphores. Also is there a way to acquire…

uVison V5.25.3.0 c Compiler C251 V5.60.0.0. when I want to step into a library functions,keil gets into assembly wondows automatically during debugging, although I have the corresponding library function source code. why?

Hello

I Always used Atmel AT89C51RE2 but there the production stopped we changed over to
Silicon C8051F580 processor.

now I am facing problems with the memory.
when I add variables after downloading the program wont run.
the compiler give Program…

I have licensed mdk Essential version in keil u vision 5. I am using nordic( NRF 24 Le IC) i am getting an error L250 code size restrictions as error. Can some one help me with this, Do I need keil professional development kit license for this?