SST89C54单片机### - pcbftylt - pcbftylt - 和讯博客
SST89C54单片机 ### [原创 2010-04-16 16:03:35]   

SST89C54单片机 ***

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  SST89C54单片机 FEATURES:

  Multi-Purpose 8-bit 8051 Family Compatible Microcontroller Unit (MCU) with Embedded SuperFlash Memory

  Fully Software and Development Toolset Compatible as well as Pin-For-Pin Package Compatible with Standard 8xC5x Microcontrollers

  256 Bytes Register/Data RAM

  20/36 KByte Embedded High Performance Flexible SuperFlash EEPROM

  – One 16/32 KByte block (128-Byte sector size)

  – One 4 KByte block (64-Byte sector size)

  – Individual Block Security Lock with Softlock feature

  – 87C5x Programmer Compatible

  – Concurrent Operation during In-Application Programming?(IAP?)

  – Memory Re-Mapping for Interrupt Support during IAP

  Support External Address Range up to 64 KByte of Program and Data Memory

  High Current Drive on Port 1 (5, 6, 7) pins

  Three 16-bit Timer/Counter

  Programmable Serial Port (UART)

  Six Interrupt Sources at 2 Priority Levels

  Selectable Watchdog Timer (WDT)

  Four 8-bit I/O Ports (32 I/O Pins)

  TTL- and CMOS-Compatible Logic Levels

  Extended Power-Saving Modes

  – Idle Mode

  – Power Down Mode with External Interrupt Wake-up

  – Standby (Stop Clock) Mode

  High Speed Operation at 5 Volts (0 to 33MHz)

  Low Voltage (2.7V) Operation (0 to 12MHz)

  PDIP-40, PLCC-44 and TQFP-44 Packages

  Temperature Ranges:

  – Commercial (0°C to +70°C)

  – Industrial (-40°C to +85°C)

 

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