FlashFlex51 MCU SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD SST89E/V58 / 54 / 52RD2/RD FlashFlex51 MCU Data Sheet FEATURES: • 8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory – Fully Software Compatible – Development Toolset Compatible – Pin-For-Pin Package Compatible • SST89E5xRD2 Operation – 0 to 40 MHz at 5V • SST89V5xRD2 Operation – 0 to 33 MHz at 3V • 1 KByte Internal RAM • Dual Block SuperFlash EEPROM – 8/16/32 KByte primary block + 8 KByte secondary block (128-Byte sector size for both blocks) – Individual Block Security Lock with SoftLock – Concurrent Operation during In-Application Programming (IAP) –...

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