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// Memory

W25Q32 SPI Flash

The W25Q32 is a 32Mbit (4MB) SPI NOR Flash memory IC by Winbond. It supports standard, dual, and quad SPI up to 104MHz and is widely used for data logging, firmware storage, and program memory in embedded systems.

// Specifications
Capacity
32 Mbit (4 MB)
Interface
SPI (standard, dual, quad)
Clock Speed
Up to 104 MHz
Supply Voltage
2.7V – 3.6V
Write Cycles
100,000
Package
SOIC-8 / WSON-8
// Pin Reference Table
Pin Name Function Type
1 CS Chip select, active low BUS
2 DO/IO1 SPI data out / quad I/O 1 BUS
3 WP/IO2 Write protect / quad I/O 2 I/O
4 GND Ground GND
5 DI/IO0 SPI data in / quad I/O 0 BUS
6 CLK SPI clock BUS
7 HOLD/IO3 Hold / quad I/O 3 I/O
8 VCC Supply 2.7V–3.6V PWR