1.8V Uniform Sector Dual and Quad Serial Flash GD25LQ32D GD25LQ32D DATASHEET 1 1.8V Uniform Sector Dual and Quad Serial Flash GD25LQ32D Contents 1. FEATURES ......................................................................................................................................................... 4 2. GENERAL DESCRIPTION ................................................................................................................................ 5 3. MEMORY ORGANIZATION ............................................................................................................................... 7 4. DEVICE OPERATION ........................................................................................................................................ 8 5. DATA PROTECTION .......................................................................................................................................... 9 6. STATUS REGISTER......................................................................................................................................... 11 7. COMMANDS DESCRIPTION .......................................................................................................................... 13 7.1. WRITE ENABLE (WREN) (06H) ................................................................................................................................ 17 7.2. WRITE DISABLE (WRDI) (04H) ................................................................................................................................ 18 7.3. WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) ................................................................................................. 19 7.4. READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) .............................................................................................. 20 7.5. WRITE STATUS REGISTER (WRSR) (01H) ................................................................................................................... 21 7.6. READ DATA BYTES (READ) (03H) ............................................................................................................................. 22 7.7. READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................................. 22 7.8. FAST READ (0BH) IN QPI MODE ............................................................................................................................... 23 7.9. DUAL OUTPUT FAST READ (3BH) .............................................................................................................................. 23 7.10. QUAD OUTPUT FAST READ (6BH) ............................................................................................................................. 24 7.11. DUAL I/O FAST READ (BBH) .................................................................................................................................... 24 7.12. QUAD I/O FAST READ (EBH) ................................................................................................................................... 26 7.13. QUAD I/O WORD FAST READ (E7H) ......................................................................................................................... 28 7.14. SET BURST WITH WRAP (77H) ................................................................................................................................. 29 7.15. PAGE PROGRAM (PP) (02H) .................................................................................................................................... 30 7.16. QUAD PAGE PROGRAM (32H) .................................................................................................................................. 31 7.17. SECTOR ERASE (SE) (20H) ....................................................................................................................................... 33 7.18. 32KB BLOCK ERASE (BE) (52H) ............................................................................................................................... 34 7.19. 64KB BLOCK ERASE (BE) (D8H) ............................................................................................................................... 35 7.20. CHIP ERASE (CE) (60/C7H) ..................................................................................................................................... 36 7.21. DEEP POWER-DOWN (DP) (B9H) ............................................................................................................................. 37 7.22. RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH) ......................................................................... 38 7.23. READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ................................................................................................... 40 7.24. READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H) ................................................................................................. 41 7.25. READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H)................................................................................................. 42 7.26. READ IDENTIFICATION (RDID) (9FH) ......................................................................................................................... 43 7.27. PROGRAM/ERASE SUSPEND (PES) (75H) ................................................................................................................... 44 7.28. PROGRAM/ERASE RESUME (PER) (7AH) ................................................................................................................... 45 7.29. READ UNIQUE ID (4BH) .......................................................................................................................................... 46 7.30. ERASE SECURITY REGISTERS (44H) ............................................................................................................................ 46 7.31. PROGRAM SECURITY REGISTERS (42H) ....................................................................................................................... 47 2