Anonymous
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Sep 27, 2017
03:46 AM
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Sep 27, 2017
03:46 AM
Hi, How can i use s25fs128s as a simple SPI flash. I am using this flash mem with RTD2660 but when i send the command 0x46(comman instruction type is read ) and 0x9f(command for Jedec ID ) but it's not responding, when i read the Jedec id always showing 0xFFFFFF.
#wp not connected - 3
#reset not connected -7
SI(FLASH) ->> SO(RTD2660)
SO(FLASH) ->>SI(RTD2660)
SCK ->> SCK
#CS ->> gnd
2 Replies
Anonymous
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Sep 27, 2017
04:10 AM
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Sep 27, 2017
04:10 AM
Hello Malik,
For reading the instruction the command is 03h not 46h . On how many devices did you try ? Do you the same issue on all the devices.
Thanks,
Krishna.
Sep 27, 2017
04:20 AM
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Sep 27, 2017
04:20 AM
But I am using RTD2660 Board in which s25fs128s is connected with SPi ,so my RTD controller communicate with serial flash when i sending 0x46 to tell ISP i want to read Device ID with this command 0x9f