FlashFlex51 MCU SST89E52RD2/RD / SST89E54RD2/RD / .
SST89E54RD2 - FlashFlex51 MCU
SST89E54RD2 - (SST89x54 - SST89x516) Flash Flex51 MCU
89E54RD2 - SST89E54RD2