1 MByte SPI NOR flash in DIP package. Interfaces via SPI with any microcontroller. 3.3V supply only — requires level shifting when used with 5V systems such as Arduino (e.g., 74LVC245 or 4-transistor shifter).
1 MByte SPI NOR flash in DIP package. Interfaces via SPI with any microcontroller. 3.3V supply only — requires level shifting when used with 5V systems such as Arduino (e.g., 74LVC245 or 4-transistor shifter).
Chip select input for the SPI flash, from the Winbond W25Q80BV datasheet PDIP/SOIC pin configuration.
Serial data output in standard SPI, IO1 in dual/quad SPI modes, from the Winbond datasheet.
Write protect input in standard SPI, IO2 in quad SPI modes, from the Winbond datasheet.
Ground reference.
Serial data input in standard SPI, IO0 in dual/quad SPI modes, from the Winbond datasheet.
Serial clock input for the SPI bus, from the Winbond datasheet.
Hold input in standard SPI, IO3 in quad SPI modes, from the Winbond datasheet.
Positive supply for the flash memory.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| /CS | 1 | control | Chip select input for the SPI flash, from the Winbond W25Q80BV datasheet PDIP/SOIC pin configuration. | |
| DO / IO1 | 2 | data | Serial data output in standard SPI, IO1 in dual/quad SPI modes, from the Winbond datasheet. | 3.3V logic part per Adafruit product page; use level shifting with 5V controllers. |
| /WP / IO2 | 3 | control | Write protect input in standard SPI, IO2 in quad SPI modes, from the Winbond datasheet. | 3.3V logic part per Adafruit product page. |
| GND | 4 | ground | Ground reference. |
24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
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Components · Passives · 56 parts
| 0V |
| DI / IO0 | 5 | data | Serial data input in standard SPI, IO0 in dual/quad SPI modes, from the Winbond datasheet. | 3.3V logic part per Adafruit product page. |
| CLK | 6 | clock | Serial clock input for the SPI bus, from the Winbond datasheet. | 3.3V logic part per Adafruit product page. |
| /HOLD / IO3 | 7 | control | Hold input in standard SPI, IO3 in quad SPI modes, from the Winbond datasheet. | 3.3V logic part per Adafruit product page. |
| VCC | 8 | power | Positive supply for the flash memory. | 3.3VDC per Adafruit product page. |