SST89E54RC
Overview
- 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 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)