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Difference between revisions of "Minnowboard:SPI Boot flash"

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(Applications and Hardware)
(Applications and Hardware)
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* Flashrom can automatically detect the presence of the WinBond W25Q32 and provide full read/erase/write functionality.  
 
* Flashrom can automatically detect the presence of the WinBond W25Q32 and provide full read/erase/write functionality.  
 
* Flashrom can use the many open as well as proprietary hardware tools such as
 
* Flashrom can use the many open as well as proprietary hardware tools such as
** [http://www.dlpdesign.com/usb/2232h.shtml DLP-2232H] from [http://www.dlpdesign.com DLPDesign] or other generic FTDI FT2232H boards
+
** [http://www.dlpdesign.com/usb/2232h.shtml DLP-2232H] from [http://www.dlpdesign.com DLPDesign]
 +
** [http://www.ftdichip.com/Products/ICs/FT2232H.htm FTDI FT2232H] generic breakout boards
 
** [[Flyswatter2]] from [http://www.tincantools.com TinCanTools]
 
** [[Flyswatter2]] from [http://www.tincantools.com TinCanTools]
 
** [http://dangerousprototypes.com/docs/Bus_Pirate Bus Pirate] from [http://www.dangerousprototypes.com Dangerous Prototypes]
 
** [http://dangerousprototypes.com/docs/Bus_Pirate Bus Pirate] from [http://www.dangerousprototypes.com Dangerous Prototypes]

Revision as of 21:26, 15 May 2013

the MinnowBoard uses a SPI based serial flash memory to load the initial code into the Intel Atom E640 series processor. The MinnowBoard uses a WinBond W25Q32 (datasheet) which has a total of 4096KB of storage which can be flashed with a UEFI image or other custom firmware.

Programming Interface

the MinnowBoard has a 2x4 header that has 0.1" spacing for programming the SPI based serial flash memory.

Programming Header
Pin number Main Function Note
1 +3.3V Power Supports on +3.3V
2 GND system ground
3 nCS Chip Select Active Low
4 SCK SPI Clock
5 MISO Data Output from serial flash
6 MOSI Data Input to serial flash
7 NC No Connection
8 nPRG_EN Program Enable Active Low

Applications and Hardware