Part Number: ADS4126 I used [ power on state ] OE = high pull up 4.7k 1.8V DFS = 1.125 V (R dividing) Reset = pull up 10K 1.8V ( FPGA Power on to '0' ) Clkp/Clkm = 100 Mhz SEN = FPGA Power on to '1' SCLK = FPGA Power on to '1' SDATA = FPGA Power on to '0' [ step 1 ] Reset = 1 pulse 200 ns ( 0 to 1 to 0 : FPGA control ) [ step 2 ] Serial Data : 0x4208 Serial Data : 0x2503 Serial Data : 0x0001 Serial Data : 0x2503 Read Serial data : 0x00 ( oscilloscope Check 0 out) ADC data : 0x10X (no test pattern 0x10101010 ) Test Pattern or ReadOut functions is not working...
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