[Icc-avr] Interrupt Help Please (Happy New Year)

[Johannes Assenbaum]

AFIAS datasheet, errata section, in this case, tells all about power overcomsumption you asked for.

Guess you really need a bigger battery until that silicon-bug gets fixed.

Johannes


> Hi john,

> i should have read that section in the datahseet kinda sick of looking at it
> though.

> my sleep function is now as follows and i still have the same probelm: -

> void sleep(void)
> {
> DF_Deep_Power_Down(); // Put DataFlash one in deep sleep
> DF_Deep_Power_Down_2 (); // Put DataFlash two in deep sleep

> TCCR1B = 0x00; // Stop timer
> TIMSK1 = 0x00; // Disable Timer Intterupts

> DDRB = 0x00; // Tri-State PORTB
> DDRC = 0x00; // Tri-State PORTC
> DDRD = 0x00; // Tri-State PORTD
> PORTB = 0x00; // Make Sure the port is not pulled-up
> PORTC = 0x00; // Make Sure the port is not pulled-up
> PORTD = 0x00; // Make Sure the port is not pulled-up

> SPCR = 0x00; // Power Down the SPI
> UCSRB = 0x00; // Power Down The USART

> REGCR = 0x01; // Disable the USB Regulator
> RTC_POWER_OFF // Turn the Power too the RTC OFF (PORTD4)

> EICRA = 0x08; // Change INT1 Pin Interrupt to Falling Edge (INT1)

> PRR1 = 0x81; // Turn Off the USB and USART using the power reduction
> register

> SMCR = 0; // Clear SMCR Register
> SMCR = 0x05; // Configure Sleep Register for Deep Sleep
> asm("sleep"); // Put Processor into Deep Sleep

> }



> 7.12uA in sleep -> when the USB has never been connected to the system

> 120uA sometimes goes to 490uA in sleep mode -> after the USB has been
> connected once.



> I have no idea why my sleep function funcrtions this way i guess more
> datasheet reading joy, could just leave the sleep mode and get on with the
> rest of the code and go for a bigger batttery :)



> Andy

> ----- Original Message -----
> From: "John Baraclough" <j_baraclough at zetnet.co.uk>
> To: "Discussion list for ICCAVR and ICCtiny Users. You do NOT need
> tosubscribe to icc-announce if you are a member of this."
> <icc-avr at imagecraft.com>
> Sent: Thursday, January 03, 2008 6:21 PM
> Subject: Re: [Icc-avr] Interrupt Help Please (Happy New Year)


>> Almost, but not quite. You need to do something with MCUCR as well. You
>> should read paragraph 11.2.3 on page 69 of the data sheet to find out
>> more.
>>
>> John
>>
>>
>> Andrew wrote:
>>> Hi
>>>
>>> How does one tri-state all the inputs?
>>>
>>> is this correct?
>>>
>>> PORTD = 0x00;
>>> DDRD  = 0xFF;
>>>
>>> Andy
>>>
>>
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