Replacement Main PCB for the Sam4s NR520 range of ECRs

Processor • RENESAS CPU R5F5631ECDFB (RX-631 , 32-Bit)

Memory • RAM(DATA) SRAM (R1LV0408DSP-5SI) : 4Mbits SRAM (R1LV0408DSP-5SI) : 4Mbits (Option) • ROM(PGM) CPU ON CHIP FLASH ROM : 16Mbits

RAM: 8Mb

SD: Micro SD Socket

Suitable for the Sam4s NR520 ECRs production up to and including November 2015 (B5AKB*****)

Compatible with the interface PCB which contains both USB host A socket and USB device socket B