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SPAM[Spam 1.0] Re: [lpc2000] Re: Future CAN microcontrollers

2005-03-30 by Varuzhan Danielyan

Dear Robert,

Thank you very much. You write:
    The power pins will be kept at the same pins.
I understand it that the pin 17 will remain a power pin
and I can without risk directly connect it to pins 49 and 63.
Am I right?

Thank you in advance,
Varuzhan


  ----- Original Message ----- 
  From: philips_apps 
  To: lpc2000@yahoogroups.com 
  Sent: Wednesday, March 30, 2005 11:31 AM
  Subject: [lpc2000] Re: Future CAN microcontrollers



  Varuzhan,

  the CAN device has not been defined yet. Every effort has been made 
  to keep changes to the PCB minimized. This will also be the case for 
  a device similar to the LPC2138 but with CAN. 

  The power pins will be kept at the same pins. The challenge is going 
  to be that CAN pins are on the same pins as the 32 kHz input of the 
  RTC. 

  Understanding your desire to know which pins are going to be what, 
  please accept my apologies not knowing the exact pinconfiguration 
  yet. 

  Robert

  --- In lpc2000@yahoogroups.com, "Varuzhan Danielyan" <dan@x> wrote:
  > My question is for Philips group.  Some time ago on this forum was
  > information, that Philips plans to start this year production of USB
  > and then new CAM (LPC2139?) microcontrollers.  Now I am finishing a 
  > design of a new module with the LPC2129 and want to make the PCB,
  > if possible, to be compatible with the future CAM microcontroller.
  > I examined the LPC2138 documentation, and noticed, that only pin 17
  > has another functionality.  Pins 49 and 63 are still power, only 
  3.3V
  > instead of 1.8V.
  > Now my question.  I put a 0 Ohm resistor between the pin 17 and
  > pins 49, 63.  In case of the LPC2129 I will mount it and connect all
  > them to 1.8V source and for future microcontroller the resistor 
  should
  > not be mounted and 49,63 pins I will connect to 3.3V source.  Is
  > my guess right?
  > I am sure, that the answer will be of common interest.
  > Great thanks in advance,
  > 
  > Varuzhan
  >  
  > 
  > [Non-text portions of this message have been removed]




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