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About I2C communication

 
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bhaven



Joined: 26 Sep 2005
Posts: 10

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About I2C communication
PostPosted: Tue Nov 22, 2005 8:44 am     Reply with quote
i have used PIC 16F877 and the code is working fine the only problem i am facing is that during simulation when i give the command for an I2C write the PIC gets hanged. How do i write and read to I2C.
i have tried with the sample programs given in the HELP of the CCS compiler.
Can anyone help me on this please.
Reply .Bhaven.
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Tue Nov 22, 2005 12:33 pm     Reply with quote
Quote:

the only problem i am facing is that during simulation when i give
the command for an I2C write the PIC gets hanged.

If you go to MPLAB Help for the Simulator, and search under Limitations,
you will see this:

Quote:

Depending on device, the following are not simulated:
- User ID memory.
- Programmable Switch-Mode Controller (PSMC).
- Brown-out detection (BOD) and low voltage detection (LVD).
- Power saving modes.
- Serial I/O (i.e., SSP including I2C and SPI).
As a result, the SSPSTAT register has been made
readable and writable.
- USB and CAN.
- Parallel Slave Port (PSP).
- D/A converter (DAC) and Op Amp (OPA).
- Quadrature Encoder Interface (QEI) of the Motion Feedback module.
- Output Compare (OCx) for PIC24F, dsPIC devices.

For more information, go to the Search engine for the Microchip forums:
http://forum.microchip.com/search.asp
Do a search like this:
Search Term: i2c
Search in Forum: - - MPLAB Simulator
Time Filter: (within) All Topics

Then you can read threads like this, where people on the Microchip
forum provide suggestions and ideas on this problem:
http://forum.microchip.com/tm.asp?m=102604&mpage=1&key=i2c&anchor#102604
http://forum.microchip.com/tm.asp?m=81786&mpage=1&key=i2c&anchor#81800
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