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SST by MCU is headquartered in California's nieves ear city, super MRT (SST) with
their own super flash technology, production and marketing various non-volatile
memory solution, and widely used in digital consumer products, network, wireless
communication and network computing market. Super MRT (SST) its products include
high function flash components, large capacity flash stored product and
integration of single chip flash 8-bit microcontrollers. SST89E564 and SST89E516
chip on game has a wide range of applications, Our Company introduced
preferential price SST chip decryption service. Relevant SST microcontroller
decryption.

SST89C54 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) 

Par Models as follow;
  SST89C54
   SST89C58
   SST89E554
   SST89E564
   SST89E516
   SST89F54
   SST89F58
   SST80E526RD
   SST89E58RD2  

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