SST89V51

FlashFlex51 MCU SST89E51RC / SST89E52RC / SST89E54RC SST89V51RC / SST89V52RC / SST89V54RC SST89E/VE5xRC FlashFlex51 MCU Preliminary Specifications 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 40 MHz at 5V SST89V5xRC Operation – 0 to 33 MHz at 3V Total 512 Byte Internal RAM (256 Byte by default + 256 Byte enabled by software) Single Block SuperFlash EEPROM – SST89E/V54RC: 16 KByte primary partition + 1 KByte secondary partition – SST89E/V52RC: 8 KByte primary partition + 1 KByte secondary partition – SST89E/V51RC: 4 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 Programming (IAP) – Small-Sector Architecture: 128-Byte Sector Size Support External Address Range up to 64 KByte of Program and Data Memory Three High-Current Port 1 pins (16 mA each) Three 16-bit Timers/Counters Full-Duplex, Enhanced UART – Framing error detection – Automatic address recognition Eight Interrupt Sources at 4 Priority Levels Programmable Watchdog Timer (WDT) Programmable Counter Array (PCA) Four 8-bit I/O Ports (32 I/O Pins) Second DPTR register Low EMI Mode (Inhibit ALE) SPI Serial Interface Standard 12 Clocks per cycle, the device has an op...