Search found 2 matches

by rdabney
Wed Jul 24, 2024 5:14 am
Forum: NetBurner Hardware
Topic: MODM7AE70 ADC VREF pin
Replies: 7
Views: 15509

Re: MODM7AE70 ADC VREF pin

It was a GPIO on older models, looking at the chip, it says minimum operational value of 1.7V. So, using it as a GPIO (assumedly with ground being low) might cause damage to the chip. I never tried that.
by rdabney
Thu Jun 06, 2024 12:37 pm
Forum: NetBurner Hardware
Topic: MODM7AE70 ADC VREF pin
Replies: 7
Views: 15509

MODM7AE70 ADC VREF pin

I am updating a system from a MOD5234 to a MODM7AE70. These boards plug into a motherboard in a larger system, all of the pins are backwards compatible (most are just GPIO) except one. Pin P2:5 is a GPIO on the MOD5234 and used as ADC VREF on the MODM7AE70. In our design this is used for a selector ...