Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.com
GD25Q21B DATASHEET
GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.c...
Description
http://www.elm-tech.com
GD25Q21B DATASHEET
GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.com
- Content -
Page
1. FEATURES ------------------------------------------------------------------------------------------------- 4
2. GENERAL DESCRIPTION ----------------------------------------------------------------------------- 5
3. MEMORY ORGANIZATION -------------------------------------------------------------------------- 6
4. DEVICE OPERATION ---------------------------------------------------------------------------------- 6
5. DATA PROTECTION ------------------------------------------------------------------------------------ 7
6. STATUS REGISTER ------------------------------------------------------------------------------------- 9
7. COMMANDS DESCRIPTION ------------------------------------------------------------------------- 10
Table of ID Definition --------------------------------------------------------------------------------------- 13
7.1. Write Enable (WREN) (06H) ----------------------------------------------------------------------- 14
7.2. Write Disable (WRDI) (04H) ----------------------------------------------------------------------- 14
7.3. Write Enable for Volatile Status Register (50H) -------------------------------------------------- 15
7.4. Read Status Register (RDSR) (05H or 35H) ----------------------------------------------------- 15
7.5. Write Status Register (WRSR) (01H) ----------------------------------...
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