Part Number:PGA970
Hi team,
The customer would like to use PGA970.
Q1: There are 4 wires for the LVDT sensor. Would you explain how to connect the 4 wires LVDT sensor for PGA970?
Like the attach connection?
Q2: The customer would like to only use SPI to program, not use the internal ARM-Cortex M0. Is this achieved?
Q3: The customer has a PGA970EVM board. But the USB2ANY is burned when he tests the EVM. So he uses STM32 to connect
PGA970EVM. He tests the SCK pin waveform and the MISO pin waveform through the oscilloscope.
Please check the attach. The yellow waveform is the SCK pin waveform. The purple waveform is the MISO pin waveform.
The SCK pin waveform is fine. And the CS and MOSI waveforms are also fine. But it looks bad for the MISO pin waveform.
The customer would like to verify if his operation of SPI exists the error or maybe the MISO pin is burned when he tests the EVM.
Best Wishes,
Mickey Zhang
Asia Customer Support Center
Texas Instruments