DP83822I: Use Pin 8 INT/PWDN as TX_ER

SimonF

Part Number: DP83822I

Hi Team,

based on table 49 and table 126 the INT/PWDN pin can be used as TX_ER. What would you need to set on PHYSCR (Table 32) Bit0? Any other setting I need to set to use Pin 8 as TX_ER?

Best regards

Simon

over 7 years ago

0 Rob Rodrigues over 7 years ago

TI__Mastermind 19780 points

Hi Simon,

If you want the TX_ER pin as an input, meaning performing the function of TX_ER, use the bits in table 49.

If you want to use the TX_ER to assert LPI in EEE mode, use table 126.

Use both sets of bits if you wish to use TX_ER for both functions.

Best Regards,

0 SimonF over 7 years ago in reply to Rob Rodrigues

TI__Expert 3370 points

Hi Rob,

yes but in Table 32 Reg PHYSCR Bit 0 I set the following:

1 = INT/PWDN_N is an interrupt output

0 = INT/PWDN_N is a Power Down pin

How does that influence the pin beeing used for TX_ER?

Best regards

Simon

0 SimonF over 7 years ago in reply to SimonF

TI__Expert 3370 points

Hi Rob,

can you please have a look at my question above?

Best regards

Simon

Interface

Interface forum

DP83822I: Use Pin 8 INT/PWDN as TX_ER