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'[PICLIST] Sharing Eeprom & DAC clock line problems'
2000\08\29@160507 by Darren Logan

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Hi,

I have PIC12C671 which drives a 12-bit serial DAC and communicates with a
24LC01 serial Eeprom.

Both peripherals share the same clock line.

The DAC works ok, but Eeprom communication seems to be not working.

I have a 4k7 pull-up resistor on the Eeprom data and the common clock line.

Any ideas as to why the Eeprom doesn't like the shared clock ?
(Maybe it isn't the clock at fault but i think everythig else is ok - i.e.
wiring, control byte etc.)

Regards,
Darren

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2000\08\29@160833 by Andrew Kunz

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I've used this setup in several areas, and it always works.

Unless you are using an Atmel I2C EE - they don't work all the time.

Andy










Darren Logan <.....DAZLOGANKILLspamspam@spam@AOL.COM> on 08/29/2000 04:02:12 PM

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Subject: Sharing Eeprom & DAC clock line problems.








Hi,

I have PIC12C671 which drives a 12-bit serial DAC and communicates with a
24LC01 serial Eeprom.

Both peripherals share the same clock line.

The DAC works ok, but Eeprom communication seems to be not working.

I have a 4k7 pull-up resistor on the Eeprom data and the common clock line.

Any ideas as to why the Eeprom doesn't like the shared clock ?
(Maybe it isn't the clock at fault but i think everythig else is ok - i.e.
wiring, control byte etc.)

Regards,
Darren

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