espressif/spi_nand_flash

readme

# SPI NAND Flash Driver

This driver is designed to support SPI NAND Flash with ESP chipsets.

This component incorporates the [dhara library](https://github.com/dlbeer/dhara), licenced under the [LICENCE](https://github.com/dlbeer/dhara/blob/master/LICENSE)

## About SPI NAND Flash
SPI NAND Flash combines the benefits of NAND Flash technology with the simplicity of the SPI interface, providing an efficient and cost-effective solution for non-volatile data storage in diverse applications. Its versatility, reliability, and affordability make it a popular choice for many embedded systems and electronic devices.

### Key Features:
* Non-Volatile Storage: SPI NAND Flash provides non-volatile storage, retaining data even when power is removed. This characteristic makes it ideal for storing critical system information and application data.

* SPI Interface: The SPI protocol allows for straightforward communication between the microcontroller and the NAND Flash. This simplicity in interface design facilitates easy integration into embedded systems.

* Cost-Effective: SPI NAND Flash offers a cost-effective storage solution, making it attractive for applications with budget constraints. Its competitive pricing makes it a viable option for a wide range of projects.

* High Density: NAND Flash technology inherently supports high-density storage, enabling the storage of large amounts of data in a compact form factor. This is advantageous for applications requiring extensive data storage in constrained spaces.

* Fast Read/Write Operations: The SPI interface enables reasonably fast read and write operations, making it suitable for applications where data access speed is crucial.

## Supported SPI NAND Flash chips

At present, `spi_nand_flash` component is compatible with the chips produced by the following manufacturers and and their respective model numbers:

* Winbond - W25N01GVxxxG/T/R, W25N512GVxIG/IT, W25N512GWxxR/T, W25N01JWxxxG/T, W25N01JWxxxG/T
* Gigadevice -  GD5F1GQ5UExxG, GD5F1GQ5RExxG, GD5F2GQ5UExxG, GD5F2GQ5RExxG, GD5F4GQ6UExxG, GD5F4GQ6RExxG, GD5F4GQ6UExxG, GD5F4GQ6RExxG
* Alliance - AS5F31G04SND-08LIN, AS5F32G04SND-08LIN, AS5F12G04SND-10LIN, AS5F34G04SND-08LIN, AS5F14G04SND-10LIN, AS5F38G04SND-08LIN, AS5F18G04SND-10LIN

                                        
                                        | Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- | -------- |