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PM8621 датащи(PDF) 59 Page - PMC-Sierra, Inc |
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PM8621 датащи(HTML) 59 Page - PMC-Sierra, Inc |
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59 / 184 page ![]() NSE-8G™ Standard Product Data Sheet Preliminary Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use 58 Document ID: PMC-2010850, Issue 1 Register 000H: NSE-8G Master Reset Bit Type Function Default Bit 31 R/W DRESET 0 Bit 30 R/W ARESET 0 Bit 29:0 R Unused X This register allows separate software reset of digital and analog circuitry on the NSE. ARESET The ARESET bit allows the analog circuitry in the NSE-8G to be reset under software control. If the ARESET bit is a logic one, all the NSE-8G analog circuitry is held in reset. ARESET must be held at logic one for at least 100us to ensure correct reset of the CSU. This bit is not self-clearing. Therefore, a logic zero must be written to bring the NSE-8G out of reset. Holding the NSE-8G in a reset state places it into a low power, analog stand-by mode. A hardware reset clears the ARESET bit, thus negating the analog software reset. DRESET The DRESET bit allows the digital circuitry in the NSE-8G to be reset under software control. If the DRESET bit is a logic one, all the NSE-8G digital circuitry is held in reset. This bit is not self-clearing. Therefore, a logic zero must be written to bring the NSE-8G out of reset. Holding the NSE-8G in a reset state places it into a low power, digital stand-by mode. A hardware reset clears the DRESET bit, thus negating the digital software reset. |
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