Uniform Sector Dual and Quad Serial Flash GD25Q16E GD25Q16E DATASHEET 1 Uniform Sector Dual and Quad Serial Flash GD25Q16E Contents 1 FEATURES ......................................................................................................................................................... 4 2 GENERAL DESCRIPTIONS.............................................................................................................................. 5 3 MEMORY ORGANIZATION ............................................................................................................................... 7 4 DEVICE OPERATIONS ...................................................................................................................................... 8 4.1 SPI MODE .............................................................................................................................................................. 8 4.2 HOLD FUNCTION ..................................................................................................................................................... 8 5 DATA PROTECTION .......................................................................................................................................... 9 6 STATUS REGISTER ........................................................................................................................................ 11 7 COMMAND DESCRIPTIONS .......................................................................................................................... 14 7.1 WRITE ENABLE (WREN) (06H) ................................................................................................................................ 17 7.2 WRITE DISABLE (WRDI) (04H) ................................................................................................................................ 17 7.3 READ STATUS REGISTER (RDSR) (05H OR 35H) .......................................................................................................... 17 7.4 WRITE STATUS REGISTER (WRSR) (01H) ................................................................................................................... 18 7.5 WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) ................................................................................................. 18 7.6 READ DATA BYTES (READ) (03H)............................................................................................................................. 19 7.7 READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................................. 19 7.8 DUAL OUTPUT FAST READ (3BH) .............................................................................................................................. 20 7.9 QUAD OUTPUT FAST READ (6BH) ............................................................................................................................. 21 7.10 DUAL I/O FAST READ (BBH) .................................................................................................................................... 21 7.11 QUAD I/O FAST READ (EBH) ................................................................................................................................... 22 7.12 SET BURST WITH WRAP (77H) ................................................................................................................................. 24 7.13 PAGE PROGRAM (PP) (02H) .................................................................................................................................... 24 7.14 QUAD PAGE PROGRAM (32H) .................................................................................................................................. 25 7.15 SECTOR ERASE (SE) (20H) ....................................................................................................................................... 26 7.16 32KB BLOCK ERASE (BE) (52H) ............................................................................................................................... 26 7.17 64KB BLOCK ERASE (BE) (D8H) ............................................................................................................................... 27 7.18 CHIP ERASE (CE) (60/C7H) ..................................................................................................................................... 27 7.19 READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ................................................................................................... 28 7.20 READ IDENTIFICATION (RDID) (9FH) ......................................................................................................................... 28 7.21 READ UNIQUE ID (4BH) .......................................................................................................................................... 29 7.22 ERASE SECURITY REGISTERS (44H) ............................................................................................................................ 30 7.23 PROGRAM SECURITY REGISTERS (42H) ....................................................................................................................... 30 7.24 READ SECURITY REGISTERS (48H) ............................................................................................................................. 31 7.25 ENABLE RESET (66H) AND RESET (99H) ..................................................................................................................... 32 7.26 PROGRAM/ERASE SUSPEND (PES) (75H) ................................................................................................................... 32 7.27 PROGRAM/ERASE RESUME (PER) (7AH) ................................................................................................................... 33 2