Product details
The 64Mbit SPI Flash (Serial Flash) Module is a compact non-volatile memory solution designed for developers, makers, and embedded system engineers. It provides external flash storage for microcontrollers using the SPI (Serial Peripheral Interface), making it ideal for storing firmware, configuration data, logs, fonts, images, and other application data.
This module is commonly based on SPI serial flash memory ICs (such as Winbond W25 series or compatible) and supports high-speed SPI communication. With a simple pinout and small footprint, it is well suited for prototyping, debugging, and expanding memory in embedded platforms like GLYPH, Arduino, ESP8266, ESP32, STM32, and Raspberry Pi.
Interface Details
Supported Interfaces:
- SPI (Serial Peripheral Interface)
- SDIO (Secure Digital Input Output)
Logic / Control Pins:
- VCC – Power Supply (3.3V typical)
- GND – Ground
- CS – Chip Select
- CLK – SPI Clock
- MO (MOSI) – Master Out, Slave In
- MI (MISO) – Master In, Slave Out
- SD2 / SD3 – Additional data lines
Applications
- External flash memory expansion
- Firmware and data storage
- ESP8266 / ESP32 program storage
- Data logging and configuration storage
- Embedded system development
- Prototyping and testing memory interfaces
Features
- SPI-based serial flash memory module
- Non-volatile data storage
- High-speed SPI communication
- Compact and lightweight PCB design
- Simple 2.54 mm header interface
- Compatible with common microcontrollers
- Ideal for embedded and IoT applications
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