about 7 pin TFT Display's pin name

[lladam]

Hi everyone,
I bought the TFT display of 7 pins which said SPI connection, with a pin named SDA, that can works as MOMI? some where mentioned.
But seems it is not function as good as the old style SPI connection display?
any comment helpful.
Thanks
Adam

[jimmo]

I bought the TFT display of 7 pins which said SPI connection, with a pin named SDA, that can works as MOMI? some where mentioned.
But seems it is not function as good as the old style SPI connection display?

Might be helpful if you post a link to the page you bought it from, and/or photos of the device.

There are definitely some dual-mode devices (SPI and I2C) out there.