If there is no need for the reset functionality, reserve the pins from the bottom end. This way the pins with the reset possibility remain free for possible future use.

Pin

Possible SW Channels when 1 channel is needed with no reset

Possible SW Channel pairs when 2 channels is needed with no reset

Possible SW Channels when 1 channel  is needed with a reset

Possible SW Channels when 2-channel pulse input is needed with a reset

X2.06

1

 pair 1

channel A

channel A

X2.07

2

reset pin for the channel above

channel B

X2.08

3

 pair 2

channel A

reset pin for the channel pair above

X2.09

4

reset pin for the channel above

channel A

X2.15

5

 pair 3

channel A

channel B

X2.18

6

reset pin for the channel above

reset pin for the channel pair above

X3.07

7

 pair 4

channel A

channel A

X3.10

8

reset pin for the channel above

channel B

X2.16

9

 pair 5

channel A

reset pin for the channel pair above

X2.17

10

reset pin for the channel above

channel A

X2.19

11

 pair 6

channel A

channel B

X2.20

12

reset pin for the channel above

reset pin for the channel pair above

X3.08

13

pair 7

not supported

not supported

X3.09

14

not supported

not supported

X3.11

15

pair 8

not supported

not supported

X3.12

16

not supported

not supported

X3.05

17

pair 9

not supported

not supported

X3.06

18

not supported

not supported

X3.21

19

pair 10

not supported

not supported

X3.22

20

not supported

not supported

X3.23

21

pair 11

not supported

not supported

X1.11

22

not supported

not supported