The W25Q32 is a 32Mbit (4Mbyte) serial NOR Flash memory module, part of Winbond's SpiFlash series . It provides reliable, nonvolatile storage for firmware, configuration data, and voice/text storage in microcontrollerbased systems .
+Flexible Erase Architecture - Uniform 4KB sectors, 32KB/64KB blocks for efficient data management
+Low Power Consumption 4mA active read current, 1µA powerdown current
+Advanced Write Protection - Hardware and software protection features
+64bit Unique ID Each device has a factory-programmed identifier
+ExecuteinPlace (XIP) Support - Continuous Read Mode allows code execution directly from flash
| Pin | Function | Description |
|---|---|---|
| CS | Chip Select | Active low; select device for communication |
| CLK | Clock | SPI clock input (up to 133MHz) |
| DI/MOSI | Data Input | Serial data input to the device |
| DO/MISO | Data Output | Serial data output from the device |
| WP | Write Protect | Hardware write protection |
| HOLD | Hold | Pause serial communication |
| VCC | Power | 2.7V to 3.6V supply |
| GND | Ground | Ground connection |