Hi,
About one month ago, we started a new project which should use a S1 ucontroller.
As we don't have a S1 development kit, we started the development using a DK-S3A7.
In each Renesas event that we participated here, they sold us the ideia that we can re-use the same code between the differente series (S1, S3, S5 and S7) since the used peripherals are presented in all of the ucontrollers.
In our case, we need to use a USB Host Mass Storage. Well, USB is presented in both S1 and S3, so it shouldn't be a problem to migrate a code created in the DK-S3A7 to the final product which should use a S1 ucontroller.
The problem we encontered now is that the S1 have only 16K RAM, and the USB Host Mass Storage alone ocupies more than 45k RAM.
But we only realized that after more than one month of development.
We are expecting that the S1 have less memory than the S3, but we could never imagine that the difference is from 16K to 192K.
We can't use S3 because of the cost. We can't use the S1 because of the low memory.
We problably will have to look for another ucontroller to our projects.
