443 - Can I read the value of NODES in the POWR1014/A via I2C?

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  The NODES in PAC-Designer for the POWR1220AT8 do not have any I2C registers associated with them and therefore you cannot directly read value of NODES via the I2C interface. If the NODE is routed to an actual output (HVOUT1-4 or OUT5-20) then you can ...

• 804 - Power Manager II: How to read the value of NODES in the PAC-POWR1220AT8 via I2C?

  The NODES in PAC-Designer for the PAC-POWR1220AT8 does not have any I2C registers associated with them. For this reason, they cannot be read directly via the I2C interface. If the NODE is routed to an actual output (HVOUT1-4 or OUT5-20) then the ...

• 2093 - Power Manager 2: Does it allow to read a 1.0 Volt signal from the ADC with attenuator setting 1 (divide by 3) on a PWR6AT6 device?

  The POWR6AT6 should be able to read 1.0 Volts from the ADC using either of the attenuator settings (zero or 1). Please insure that the DONE bit (b0 of ADC_MUX) is set to "1" when you read the data or that you have waited the minimum time (Tconvert) ...

• 5653 - iCE40 Ultra/UltraLite: What is the accuracy of the 48MHz internal oscillator (FCLKHF) at room temperature 20 deg C and 25 deg C as well as 50 deg C? In the datasheet, I only found +- 10% but I need more information that is specific.

  If you refer to FPGA-DS-02008 otherwise known as iCE40 UltaPlus Family Data Sheet, Section 4.15. Internal Oscillators, it is described in Table 4.11 in the parameter description of the said temperature ranges such that for Commercial Temp, the +/- ...

• 2157 - [LatticeECP3] Will the LatticeECP3's read datavalid generation circuit work properly when I remove the VTT termination from the DQS pad?

  The datavalid generation circuit works properly as long as you provide the READ pulse input to the DQSBUF block in the right timing. LatticeECP3 devices have preamble detection function which is a level detection circuit instead of edge detection. ...