FEATURES:
? 8-bit 8051-Compatible Microcontroller (MCU)
with Embedded SuperFlash Memory
– Fully Software Compatible
– Development Toolset Compatible
– Pin-For-Pin Package Compatible
? SST89E5xxRD2 Operation
– 0 to 40 MHz at 5V
? SST89V5xxRD2 Operation
– 0 to 33 MHz at 3V
? 1 KByte Internal RAM
? Dual Block SuperFlash EEPROM
– 8/16/32/64 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)
– Memory Overlay for Interrupt Support during IAP
? Support External Address Range up to 64
KByte of Program and Data Memory
? Three High-Current Drive Ports (16 mA each)
? Three 16-bit Timers/Counters
? Full-Duplex, Enhanced UART
– Framing Error Detection
– Automatic Address Recognition
? Ten Interrupt Sources at 4 Priority Levels
– Four External Interrupt Inputs
? Programmable Watchdog Timer (WDT)
? Programmable Counter Array (PCA)
? Four 8-bit I/O Ports (32 I/O Pins) and
One 4-bit Port
? Second DPTR register
? Low EMI Mode (Inhibit ALE)
? SPI Serial Interface
? Standard 12 Clocks per cycle, the device has an
option to double the speed to 6 clocks per cycle.
? TTL- and CMOS-Compatible Logic Levels
? Brown-out Detection
? Low Power Modes
– Power-down Mode with External Interrupt Wake-up
– Idle Mode
? Temperature Ranges:
– Commercial (0°C to +70°C)
– Industrial (-40°C to +85°C)
? Packages Available
– 44-lead PLCC
– 40-pin PDIP (Port 4 feature not available)
– 44-lead TQFP