00_模块_FM25CL64B的功能调试

1.模块简介

FM25CL64B是一个铁电存储器模块，有以下特点：

（1）3.3V单电源供电；

（2）100万亿次读/写次数；

（3）64Kbit（8KByte)存储空间；

（4）SPI接口；

2.从厂家的文档中的获得的数据如下图：

3.模块的电路原理图如下：

 4.FM25CL64B芯片的官方文档笔记

64K bit Ferroelectric Nonvolatile RAM

• Organized as 8,192 x 8 bits

• High Endurance 100 Trillion (1014) Read/Writes

• 38 Year Data Retention (@ +75ºC)

• NoDelay™ Writes

• Advanced High-Reliability Ferroelectric Process

Very Fast Serial Peripheral Interface - SPI

• Up to 20 MHz Frequency

• Direct Hardware Replacement for EEPROM

• SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)

Sophisticated Write Protection Scheme

• Hardware Protection

• Software Protection

Description

The FM25CL64B is a 64-kilobit nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory or F-RAM is nonvolatile and performs reads and writes like a RAM.