RE: initialization values

joydeep roy <[email protected]>
Newsgroups gmane.comp.hardware.motorola.microcontrollers
Message-ID <[email protected]>
Hi Allan
Thanks for the advice. by initialization values i
actually meant the values to be written at boot.

According to you..
"If you are asking what to use for your
> initialization values, well that
> all depends on your system and what you intend to do
> with it. At the
> very least, you'd usually setup the PLL, external
> memory, interrupts,
> etc."

So, these values at boot will depend on what i want to
do with the system. My understanding is that i have to
setup the USIU module and external memory.Is that
correct??

Can i get some exmples of these initialization
anywhere??

Thanks,
Joy


--- Dobbin Allan-r11834 <[email protected]>
wrote:

> The reference manual describes each register and
> shows its reset value.
> This reset value is the default setting the register
> will revert to
> after a power on reset. 
> 
> When you talk about 'initialization values', that
> normally means the
> values your software will write to the registers at
> boot, which is
> different from the reset values.  There is usually
> no need for you to
> write the reset values at boot since the registers
> already contain
> those.  
> 
> If you are asking what to use for your
> initialization values, well that
> all depends on your system and what you intend to do
> with it. At the
> very least, you'd usually setup the PLL, external
> memory, interrupts,
> etc.
> 
> Regards,
> Allan
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf
> Of joydeep roy
> Sent: Tuesday, December 20, 2005 3:38 AM
> To: [email protected]
> Subject: [MPC500] initialization values
> 
> 
> Hi everyone,
> i am a total rookie in the MPC world. As part of my
> project i have to test the peripherals attached to
> the
> MPC microcontroller.
> 
> I just want to know the values of different
> registers
> of all the modules at the time of power-up. These
> will
> be my initialization values, i guess.
> So, can anyone tell me where do i get these values.
> 
> Looking forward to your answers.
> Joy
> 
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