3 Replies Latest reply on Aug 12, 2015 8:47 AM by user_14586677

    PSOC4245 Real EEPROM ?

    user_631978

      Looking at the techinical specs on the Cypress web site of the CY4245, it suggests that it has 4kB of EEPROM memory.

         

      http://www.cypress.com/part/cy8c4245axi-473

         

      Does anyone know if this is real EEPROM or emulated ? If it is real, I can't find any reference to how to use it, only references on how to use emulated EEPROM.

         

      Thanks in advance,

         

      Paul H

        • 1. Re: PSOC4245 Real EEPROM ?
          user_14586677

          Emulated, from datasheet -

             

           

             

           

             

          Flash

             


          The PSoC 4200 device has a flash module with a flash accel
          erator, tightly coupled to the CPU to improve average access
          times from the flash block. The flash block is designed to deliver
          1 wait-state (WS) access time at 48 MHz and with 0-WS access
          time at 24 MHz. The flash accelerator delivers 85% of
          single-cycle SRAM access performance on average. Part of the
          flash module can be used to emulate EEPROM operation if
          required.
           

          • 2. Re: PSOC4245 Real EEPROM ?
            user_631978

            Thanks for the reply.  I assumed that the EEprom was only emulated, as I couldn't find any reference to real EEPROM in the datasheet. 

               

            I guess this is just a mistake on the Cypress website, otherwise why would it specify the size as 4kB - presumably you could reserve any amount you like ?
             

               

            Paul H

            • 3. Re: PSOC4245 Real EEPROM ?
              user_14586677

              I created an empty project based on that part number, only Em_EEPROM component

                 

              is available, eg. emulated, and the device selector also shows it as not having EEPROM.

                 

               

                 

              Regards, Dana.