Описание
The SST89E54RD2A is members of the FlashFlex family of 8-bit microcontroller products designed and manufactured with SST patented and proprietary SuperFlash CMOS semiconductor process technology. The split-gate cell design and thick-oxide tunneling injector offer significant cost and reliability benefits for SST customers. The devices use the 8051 instruction set and are pin-for-pin compatible with standard 8051 microcontroller devices.
- 8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory – Fully Software Compatible – Development Toolset Compatible – Pin-For-Pin Package Compatible
- SST89E5xRD2A Operation – 0 to 40 MHz at 5V
- 1 KByte Internal RAM
- Dual Block SuperFlash EEPROM – 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) – 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)
- Packages Available – 44-lead PLCC – 40-pin PDIP (Port 4 feature not available) – 44-lead TQFP
- All non-Pb (lead-free) devices are RoHS compliant
