SST89E54RC数据手册Microchip中文资料规格书

描述 Description

The SST89E54RC is a member of the FlashFlex family of 8-bit microcontroller products designed and manufactured with 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 our customers.This device uses the 8051 instruction set and is pin-for-pin compatible with standard 8051 microcontroller devices.

特性 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 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 64KByte 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)
· Four 8-bit I/O Ports (32 I/O Pins)
· Second DPTR register
· Low EMI Mode (Inhibit ALE)
· Standard 12 Clocks per cycle, the device has anoption to double the speed to 6 clocks per cycle.
· TTL- and CMOS-Compatible Logic Levels
· Low Power Modes– Power-down Mode with External Interrupt Wake-up– Idle Mode
· Selectable Operation Clock– Divide down to 1/4, 1/16, 1/256, or 1/1024th
· Temperature Ranges:– Commercial (0°C to +70°C)
· Packages Available– 40-pin PDIP– 44-lead PLCC
· All non-Pb (lead-free) devices are RoHS compliant