1 What: /sys/class/spi_master/spi<bus>/spi<bus>.<dev>/fram 2 Date: June 2021 3 KernelVersion: 5.14 4 Contact: Jiri Prchal <jiri.prchal@aksignal.cz> 5 Description: 6 Contains the FRAM binary data. Same as EEPROM, just another file 7 name to indicate that it employs ferroelectric process. 8 It performs write operations at bus speed - no write delays. 9 10 What: /sys/class/spi_master/spi<bus>/spi<bus>.<dev>/sernum 11 Date: May 2021 12 KernelVersion: 5.14 13 Contact: Jiri Prchal <jiri.prchal@aksignal.cz> 14 Description: 15 Contains the serial number of the Cypress FRAM (FM25VN) if it is 16 present. It will be displayed as a 8 byte hex string, as read 17 from the device. 18 19 This is a read-only attribute.
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