Where is a detailed description of nRF peripheral registers

Where is a detailed description of nRF peripheral registershttps://devzone.nordicsemi.com/f/nordic-q-a/11102/where-is-a-detailed-description-of-nrf-peripheral-registers[hide preview] . I am looking for a detailed description of the Memory Protection Unit for the nRF51822 as described at a high level in nRF51822_PS v3.1.pdf. I know where the peripheral is: 0x400000000. But if I were to try to protect page 0x80en-USTelligent Community 13Thu, 31 Dec 2015 15:43:22 GMTRE: Where is a detailed description of nRF peripheral registershttps://devzone.nordicsemi.com/thread/41579?ContentTypeID=1Thu, 31 Dec 2015 15:43:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:195efbc0-0baf-4ba7-9bcd-8d398bb4a544RK<p>Top of this page, SDK and Documentation. Nordic Infocentre. nRF51 series. Reference Manual. That's the reference for the series. The product spec (PS) is the per-chip document and has just the detailed chip specs over and above the series reference.</p><div style="clear:both;"></div>