Other Parts Discussed in Thread: ADS1298
Hi,
I'm trying to use the ADS1298RECGFE-PDK board without MMB0. I set the jumpers and I connected pins as describe below, but every time I try to read anything from SPI I receive 0xC0. I don't have any idea what could be wrong.
Jumpers:
JP15: 2-3 JP1: connect JP5: not connect JP2: 2-3 JP20: 1-2 JP4: connect JP24: 2-3 JP18: 2-3 JP19: 1-2 JP21: 1-2 JP22: 2-3 JP23:1-2 JP36: 1-2
Power Connections:
J4.5: GND J4.9: +3V3 J4.10: +5V
SPI Connections:
J3.1: CS J3.3: SCLK J3.4: GND J3.11: MOSI J3.13: MISO J3.14:+3V3
SPI:
8 bits word 1MHz POL:0 PHA:1 First bit: MSbit First word:LSWord
Print screens from oscilloscope, my osc has only two channels, so I took 2 pictures, one showing MOSI another showing MISO
Blue: SCLK Yellow: MOSI Sent: 0x20 0x00 Received: 0xC0 0x00
Blue: SCLK Yellow: MISO Sent: 0x20 0x00 Reecived: 0xC0 0x00