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STM32F103 ADC internal band-gap (internal V-ref)

tux
Associate II
Posted on June 03, 2015 at 19:20

Hi,

For a project I need to use internal band gap

 (

V-Ref

). so i want to know how to:

1- turn-on internal band-gap voltage reference

2- select internal band-gap voltage as reference

tanx all

#adc #stm32f103 #v-ref
1 REPLY 1
Posted on June 04, 2015 at 13:59

>

2- select internal band-gap voltage as reference

You can't, reference is connected to external pins only and the internal bandgap can't be connected to external pin. You can use it only to compare/calibrate the external reference (often VDD).

JW