MX25R6435F

Arduino library to support the Quad-SPI NOR Flash memory MX25R6435F using the Quad SPI flash memories interface. Since library version 2.0.0 and STM32 core version 2.0.0 the OctoSPI Flash memories interface can also be used.

API

The library provides the following API:

• begin()
• end()
• write()
• read()
• mapped()
• erase()
• eraseChip()
• eraseSector()
• suspendErase()
• resumeErase()
• sleep()
• wakeup()
• status()
• info()
• length()

Since library version 2.0.0, xSPI pins can be defined at sketch level, using:

• To redefine the default one before call of begin():

  • setDx(uint32_t data0, uint32_t data1, uint32_t data2, uint32_t data3)
  • setDx(PinName data0, PinName data1, PinName data2, PinName data3)
  • setSSEL(uint32_t ssel)
  • setSSEL(PinName ssel)
  • setSCLK(uint32_t sclk)
  • setSCLK(PinName sclk)

  Code snippet:

  MX25R6435F.setDx(PE12, PE13, PE14, PE15); // using pin number
  MX25R6435F.setSCLK(PE10);
  MX25R6435F.setSSEL(PE_11); // using PinName
  MX25R6435F.begin();

• or using the begin() method:

  • MX25R6435FClass(uint8_t data0, uint8_t data1, uint8_t data2, uint8_t data3, uint8_t clk, uint8_t ssel)

  Code snippet:

  MX25R6435F.begin(PE12, PE13, PE14, PE15, PE10, PE11);

• or by redefining the default pins definition (using build_opt.h or hal_conf_extra.h):

  • MX25R6435F_D0
  • MX25R6435F_D1
  • MX25R6435F_D2
  • MX25R6435F_D3
  • MX25R6435F_SCLK
  • MX25R6435F_SSEL

Examples

3 sketches provide basic examples to show how to use the library API:

• demo.ino uses basic read/write functions.
• eraseChip.ino erases all data present in the memory.
• memoryMappedMode.ino shows how to use the mapped mode.

Documentation

You can find the source files at
https://github.com/stm32duino/MX25R6435F

The MX25R6435F datasheet is available at
http://www.mxic.com.tw/Lists/Datasheet/Attachments/6270/MX25R6435F,%20Wide%20Range,%2064Mb,%20v1.4.pdf