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ECG 12D ADAS : could i use 2 ADAS1000 (1 master 1 slave) instead of an ADAS1000-2

Hi everyone,

Because of the current component shortage, we are wondering if we can replace our ADAS1000-2 by a second ADAS1000 in order to get ECG 12D ? We tried to replace it by an ADAS1000 on an existing board but i can't get a frame from the slave (OPSTAT 0x04 busy state).

I thought i could just use the same configuration as we were doing with the ADAS1000-2 but obviously it doesn't work. Now i'm wondering if it's a software configuration issue, if we broke the component while soldering it or if it's an hardware problem (as we just soldered the component where the 1000-2 was). 

Here is a part of the schematic, where we just replaced the ADAS1000-2 by a second  ADAS1000 : 

Here is the second ADAS config(slave) : 

-CMREFCTL : EXTCM

-LOFF : LOFF_10NA | LOFF_EN

-FRMCTL : DATAFMT | GPIODIS | RESPHDIS | RESPMDIS | PACEDIS | V2DIS

-FILTCTL : 150HZ

-ECGCTL : PWREN | HP | CLKEXT | VREFBUF | GAIN_2 | LAEN | LLEN | RAEN | V1EN

So does anyone know if we can replace it this way without a hardware change ? configuration change ? or if it's just not possible to use 2 ADAS1000 to be in gang mode ?

Thanks in advance for your answer,

Best Regards,

Thomas

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