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  1. S

    How to access in built modem available in LPC2148

    Ok , thanks for your clarification. Which type of modems can be interfaced with this Modem interface of lpc2148.
  2. S

    How to access in built modem available in LPC2148

    Hi all , I am trying to configure the internal modem available in UART1 of lpc2148. What are the basic steps required in configuring a uart as a modem. Any useful links or tutorials will be help me!!. Regards Sundar
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    [SOLVED] SRAM 23LC1024 Interfacing with ARM7 LPC2148

    Yes, The application note has helped me lot to solve this issue
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    [SOLVED] SRAM 23LC1024 Interfacing with ARM7 LPC2148

    Hi there I have got the output for sram interfacing with lpc2148. The issue is with the hardware. I have followed the code snippet and hardware connections in the application note AN1484. Regards Sundar
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    [SOLVED] SRAM 23LC1024 Interfacing with ARM7 LPC2148

    Hi everyone I am interfacing Atmel LC1024 with lpc2148 using spi, The data is easily write to the sram. But the problem is that it always returns 0xff 0r 0x00, while i am reading a data from the sram. Suggest me some solutions to solve this issue.
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    [ARM] STM32f103rb controller usart configuration

    hi everyone i am new to stm micrcontrollers. can anybody suggest me some good websites to learn stm32f103rb, gpio configurations and usart. thanks & regards sundar
  7. S

    [General] How to efficiently convert 8 bit data into 64 bit data

    storing a 64 bit value in a variable is the idea, but unsigned long long int does not support it. it takes only upto 32 bit only.
  8. S

    [General] How to efficiently convert 8 bit data into 64 bit data

    Hi everyone In my MCU i need to convert a 8 bit hex value into 32 bit value. How can i do this, i tried some logic but it converts only 8 bit value into 16bit value. Any ideas regarding this would be helpful. Thanks in advance regards sundar
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    [ARM] OLED Display Interfacing with lpc2148

    Hi Everyone I am going to interface a oled display with lpc2148. it is provided by kozig and the part no is ZT.SC-I2CmX. How to determine the OLED's slave address. any ideas , suggestions would be helpful. The Pull-up resistors value i use is4.7K. Regards Sundar
  10. S

    i2c communication protocol on lpc2148

    Dear user check out step by step, first check the pinsel configurations, whether u r using polling or interrupt , if it is interrupt , properly enable Interrupt and vector slot for the isr function, also check the voltage of the i2c bus it must be 3.3v use resistor configurations as 1K or 3.3 K...
  11. S

    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    Hi all I have calibrated the HMC5883l and got output!!. Thanks for your Support.. For Reference verify **broken link removed**
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    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    hi u7karsh I tryied to understand the code from the link, but i struck in the functions mills ,max and min. is there any manual regarding the calibration of this sensor. without calibration i am getting values around 13,180,225,242,252,269. any ideas would be helpful Regards Sundar
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    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    hi u7karsh Thanks for your information, i will do the needful thing. Regards Sundar
  14. S

    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    hi u7karsh Thanks for link, i visited the link it is very useful, i am reworking my code Regards Sundar
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    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    hi u7karsh Thanks for your Reply Actually my values are in 16 bit hex two's complement form and i have converted them to decimal Regards Sundar - - - Updated - - - hi everyone How to do calibration for hmc5883l, i have referred the data sheet and performed the self test but i think my...
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    [SOLVED] Hmc5883L Compass sensor interfacing with lpc2148

    Hi everyone I am going to interface a the compass sensor Hmc5883l to the lpc2148. i Performed self test on the sensor with the controller. it shows some readings. The datasheet tells that the value in the registers are in 16bit 2's complement form, can anyone give idea to convert to these...
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    [SOLVED] I2C-Hardware problem

    Hi everyone I am facing problems while working in lpc2148 i2c slave transmitter mode, data is not transmitted from the slave to the master. i had successfully transmitted data from the master to the slave, but facing problems in this, any ideas would be helpful. i am using interrupts , no...
  18. S

    [SOLVED] I2C-Hardware problem

    Hi jaga123 Clock speed is main issue it worked in 25khz but not in 100 khz, need to make it work for 100 khz Regards Sundar
  19. S

    [SOLVED] I2C-Hardware problem

    Hi jaga I found your information useful and i have got output for i2c transferring data at 25khz,. Thanks to all who helped me out .. Regards Sundar
  20. S

    [SOLVED] I2C-Hardware problem

    Hi jaga i am going to write data to the slave. i use general call address 0x00. regards Sundar

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