TCAN1469-Q1: SDO/nINT

MINKYU CHOI

Part Number: TCAN1469-Q1

Tool/software:

Processing guide for SDO/nINT pins (pin 6) when using SDO function and when using nINT? (Do I need pull up/down for each function?)

Pin 14 is pulled up, and pin 6 is?

Our design is directly connected without pull-ups or pull-downs.

0 Sean Guo over 1 year ago

Hi Minkyu,

You can refer to the 8.3.9 in datasheet for SDO/nINT using guidance.

nCS pin is integrated pullup to keep the SPI port closed when the pin is floating.

Regards,

Sean

0 MINKYU CHOI over 1 year ago in reply to Sean Guo

Hi, Sean

Then, when using SDO function, you only need to pull up PIN14(nCS), and PIN6(SDO/nINT) PIN does not require a separate pull up/down, right?

Regards,

CHOI

+1 Sean Guo over 1 year ago in reply to MINKYU CHOI

Hi Choi,

When using the SDO function, nCS pin needs to be pulled LOW to enable the SPI. There is no need of external pullup/pulldown on SDO.

Regards,

Sean

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