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Dedicated Pins in MK22FN512VLL12

Question asked by Prasanna Naik on Aug 8, 2019
Latest reply on Aug 8, 2019 by Mark Butcher

Hi,

   I am using MK22FN512VLL12 in a control application where i have a lot of interfaces. I am facing shortage of GPIOs. While going through datasheet, i found that the following pins are dedicated for single purpose only ( They can't be used as even GPIOs)

 

Sr. no

PIN no

Description

1

10

USB0_DP

2

11

USB0_DM

3

12

VOUT33

4

13

VREGIN

5

14

ADC0_ DP1

6

15

ADC0_ DM1

7

16

ADC1_ DP1/ ADC0_ DP2

8

17

ADC1_ DM1/ ADC0_ DM2

9

18

ADC0_ DP0/ ADC1_ DP3

10

19

ADC0_ DM0/ ADC1_ DM3

11

20

ADC1_ DP0/ ADC0_ DP3

12

21

ADC1_ DM0/ ADC0_ DM3

 

Please help in resolving following queries:

1) Can ADC DP/DM lines be used for single ended analog measurement?

2) Can all/any of these pins be used as GPIOs?

 

Thanks and best regards,

Prasanna

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