ADE7858A PM0 Internal pull-up

Question

Hello 
 
 ADE7858A datasheet Rev.D P.26 says below. 
 &rdquo;The PM0 and PM1 pins have internal pull-up resistors,&rdquo; 
 If you have a data of the pull-up resistor value, could you teach me about it ? 
 I need its value because of system design requirement ( some discreate parts may be added to this digital line ). 
 If you do not have its data, please let me know it. 
 
 Regards, 
 Teli

dave.smith · Accepted Answer

I would not depend on the internal pullups alone. During an EMC event the psm pins might change and this could effectively reset the part. 
 
 As for the exact value I do not know. 
 in psm3 PSM0=PSM1=1 the supply current is typ 1..7uA 
 
 3.3v/1.7uA = 1.94Meg 
 So the total load including the PSM0 and PSM1 pins is 1.94Meg. The internal pulls up are very weak. 
 
 Dave

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ADE7858A PM0 Internal pull-up

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