We want to connect 4 devices to the EMIF of RM48L952, CS0 is used for SDRAM, CS2 is used for Dual-port RAM, CS3 is used for SRAM(with ECC), CS4 is used for SRAM(with battery), how about the EMIF drive capability of rm48l952, whether need to add bus transceiver between EMIF and the device, thanks!