FlashFlex MCU SST89E52RC / SST89E54RC Data Sheet FEATURES: • 8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory – Fully Software Compatible – Development Toolset Compatible – Pin-for-Pin Package Compatible • SST89E5xRC Operation – 0 to 33MHz at 5V • Total 512 Byte Internal RAM (256 Byte by default + 256 Byte enabled by software) • Single Block SuperFlash EEPROM – SST89E54RC: 16 KByte primary partition + 1 KByte secondary partition – SST89E52RC: 8 KByte primary partition + 1 KByte secondary partition – Primary Partition is divided into Four Pages – Secondary Partition has One Page – Individual Page Security Lock – In-System Programming (ISP) – In-Application Programm...

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