SPI Flash概述

串行Flash是用串行接口進行連續數據存取的小尺寸,低功耗的flash memory. 串行flash比并行flash用更少的線從系統中傳送數據。對于引腳數目少的串行flash來講它的優勢是減少了系統板的空間,功耗和成本。容量從256Kbit到256Mbit。

串行Flash (SPI)特性

  • Single Power Supply Operation
  • Cost Effective Sector/Block Architecture
  • Low standby current 1uA (Typ)
  • Serial Peripheral Interface (SPI) Compatible
  • Page Program (up to 256 Bytes) Operation
  • Sector, Block or Chip Erase Operation
  • Low Power Consumption
  • Hardware/Software Write Protection
  • Industry Standard Pin-out and Packages
  • Superior Endurance: Min 20 years after 100K cycles
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