Recommended configuration sequence

AN2710

24/30

Alternatively, the following sequence can be used:

Alternatively, the following sequence can be used:

Alternatively, the following sequence can be used:

Table 29.

Input pull-up/pull-down to Input

PC2 - 0

No change

PC1 - 0

Input

PC0 - 1

No change

Table 30.

Input pull-up/pull-down to output open drain

PC2 - 1

1.

Glitch possible if the alternate function is a test function.

PC1 - 0

2.

Glitch possible if OUTPUT=1 with no external pull-up.

PC0 - 0

Output open drain

Table 31.

Alternate Input pull-up/pull-down to output open drain sequence

PC0 - 0

Reserved

PC1 - 0

Analog input

PC2 - 1

Output open drain

Table 32.

Input pull-up/pull-down to output push-pull

PC2 - 1

1.

Glitch possible if alternate function is a test function.

PC1 - 0

Output push-pull

PC0 - 1

No change

Table 33.

Alternate sequence: Input pull-up/pull-down to output push-pull

PC0 - 1

No change

PC1 - 0

Input

PC2 - 1

Output push-pull

Table 34.

Input pull-up/pull-down to alternate function open drain

PC2 - 1

1.

Glitch possible if alternate function is a test function and if OUTPU=1 with no external pull-up.

PC1 - 1

No change

PC0 - 0

Alternate function open drain

Table 35.

Alternate sequence: Input pull-up/pull-down to alternate function open

drain

PC0 - 0

Reserved/Input

PC1 - 1

No change

PC2 - 1

Alternate function open drain