EZoFlash+4v4 serial memory support modify

[einsmman]

Hi!

I have a chip specifically SST25VF080B. I downloaded the file "flash4v4_ser_mod" Ezo. I have a question: What is the assembly that I do? He who comes in file willem_spi.pdf or that appears in flash4v4ser_sch.png?

Sorry, my english is poor and thank you very much once again.

PS. What is the meaning of the legend "NOK" in chip_test21.xls?

[Ezo]

I downloaded the file "flash4v4_ser_mod" Ezo. I have a question: What is the assembly that I do? He who comes in file willem_spi.pdf or that appears in flash4v4ser_sch.png?

Have a ezoflash4v4 programmer, files flash4v4ser_sch.png and flash4v4_pcb_mod.png describes modifications to convert programmer for serial support.
Looking to have simple serial programmer you can use my experimental board ezoser, tests results listed in chip test file.

What is the meaning of the legend "NOK" in chip_test21.xls?

Tests with mentioned chip fail.

I have a chip specifically SST25VF080B.

Tests passed OK.

[tps_star]

hi ezo
beutiful board and simple
thancks for shared

[Ezo]

SPI EEPROM
1) initial tests done on SW 0.98d9. Most chips are programmed OK, but read always return clear buffer (all 0xFF).
2) main tests on SW 0.98d5 with SW bug found. Most chips are programmed OK, but read always return 0xFF on first byte (except Microchip 25LC320), separate verify fail on first byte. Verified chip on other programmer - chip has record in first byte.
Equal first byte problem exist with programmer pcb45c, with older SW 0.97ja
3) Looking to have chip copy in file (backup), read and check always first byte in buffer, edit before Save.
Actions step by step - read chip; check buffer; if first byte FF run Verify; from Verify error result get chip content in first byte; open willem SW Edit Hex function in buffer; edit first byte; run verify; save in file.
4) Another bug - no success with 4kb eeproms (AT25040, CSI25C05, M95040) , programming fail.

All listed problems solved in SW 0.98d11.
Verified with ezoflash+4v5
Recomended to use +3.6 V for SPI EEPROM.