20 lines
		
	
	
		
			678 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			678 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| What:		/sys/class/spi_master/spi<bus>/spi<bus>.<dev>/fram
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| Date:		June 2021
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| KernelVersion:	5.14
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| Contact:	Jiri Prchal <jiri.prchal@aksignal.cz>
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| Description:
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| 	Contains the FRAM binary data. Same as EEPROM, just another file
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| 	name to indicate that it employs ferroelectric process.
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| 	It performs write operations at bus speed - no write delays.
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| 
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| What:		/sys/class/spi_master/spi<bus>/spi<bus>.<dev>/sernum
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| Date:		May 2021
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| KernelVersion:	5.14
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| Contact:	Jiri Prchal <jiri.prchal@aksignal.cz>
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| Description:
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| 	Contains the serial number of the Cypress FRAM (FM25VN) if it is
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| 	present.  It will be displayed as a 8 byte hex string, as read
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| 	from the device.
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| 
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| 	This is a read-only attribute.
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