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Donkanaille · 2022-07-12

// 25AA040A instructions const uint8_t EEPROM_READ = 0x03; // 03h Normal Read Data const uint8_t EEPROM_WRITE = 0x02; // 02h Page Program const uint8_t EEPROM_WRDI = 0x04; // 04h Write Disable const uint8_t EEPROM_WREN =...

Donkanaille · 2022-07-13

i inserted some HAL_Delay to wait after transmitting but this doesn´t helped.Where is the difference between TransmitReceive and single use of Transmit and Receive?The weird thing is it worked a few month ago. But the chip should be okay, because i...

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Hello everyone, I have the flash memory AT25SF321B and I want to write and read it. As a µC I use an STM32WB55. I write some values but if i read it back i get only zeros. But i can read the manufacture id 1F 87 01. Hope you can help me.

Re: Hello everyone, I have the flash memory AT25SF321B and I want to write and read it. As a µC I use an STM32WB55. I write some values but if i read it back i get only zeros. But i can read the manufacture id 1F 87 01. Hope you can help me.