topic Re: K61 FlexRAM Used as EEPROM in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/K61-FlexRAM-Used-as-EEPROM/m-p/584748#M34537 <HTML><HEAD></HEAD><BODY><P>Apologies, I had a part of my code preventing reads/writes beyond 4k.&nbsp; It appears that my configuration above is correct for allocating 16k of EEPROM for my part listed above.&nbsp; I even tested writes beyond it, and it caused an exception, as expected.</P></BODY></HTML> Tue, 28 Jun 2016 19:44:58 GMT benjaminschroed 2016-06-28T19:44:58Z K61 FlexRAM Used as EEPROM https://community.nxp.com/t5/Kinetis-Microcontrollers/K61-FlexRAM-Used-as-EEPROM/m-p/584747#M34536 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>After hunting around old forum posts, I still can't quite get my initialization correct for EEPROM.&nbsp; FYI, the part I am using is MK61FX512VMJ15.</P><P></P><P>It appears that this device can have up to 16k of EEPROM, and I want to use it all.&nbsp; From referencing the manual, it appears I need to set the following:</P><P></P><P>FCCOB5 = 0x08 (EEPROM backup needs to be 16x the size of the space I need, which gets me to 256 kB of backup)</P><P>FCCOB4 = 0x30 (8192 + 8192 subsystem size)</P><P>FCCOB0 = 0x80 (PGMPART command)</P><P></P><P>This however is only allowing my to write 4k of EEPROM (from 0x1400.0000 to 0x1400.0FFF) when I believe it should allow me to write 16k (from 0x1400.0000 to 0x1400.3FFF).</P><P></P><P>Anyone have any ideas?</P><P></P><P>Thanks!</P></BODY></HTML> Tue, 28 Jun 2016 14:38:33 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K61-FlexRAM-Used-as-EEPROM/m-p/584747#M34536 benjaminschroed 2016-06-28T14:38:33Z Re: K61 FlexRAM Used as EEPROM https://community.nxp.com/t5/Kinetis-Microcontrollers/K61-FlexRAM-Used-as-EEPROM/m-p/584748#M34537 <HTML><HEAD></HEAD><BODY><P>Apologies, I had a part of my code preventing reads/writes beyond 4k.&nbsp; It appears that my configuration above is correct for allocating 16k of EEPROM for my part listed above.&nbsp; I even tested writes beyond it, and it caused an exception, as expected.</P></BODY></HTML> Tue, 28 Jun 2016 19:44:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K61-FlexRAM-Used-as-EEPROM/m-p/584748#M34537 benjaminschroed 2016-06-28T19:44:58Z