The problem of modifying the cache parameter in the Canvas

I want to modify cache latency parameter in system canvas，and I use FVP_Base_Neoverse-N1 to build my system，so is it correct to modify the cache parameters like this?
Simulator/Emulator

Is there any free simulator or emulator available?? plz guide me how to use it.....
Support For Philips 87c51MX2 Series

Hi, I am using Keil c51 version 6.02. Do you know any updated version where the philips 87c51MX series(96K On chip ROM)is supported ? Thanks
Keil Support for Philips Emulators

I'm hoping to use both of the following emulators for my development. Will I be able to source level debug from keil with them? PDS900 - LPC921 PDS51-Mk2 - P89C66X Also will the regular DK51\PK51...
Which Emulators support this chip?

The VERSA MIX is a fully integrated mixed-signal microcontroller that provides a "one-chip solution" for a broad range of signal conditioning, data acquisition, processing, and control applications...