Manual

W25Q80, W25Q16, W25Q32
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STATUS REGISTER
(1)
W25Q16 (16M-BIT) MEMORY PROTECTION
SEC TB BP2 BP1 BP0 BLOCK(S) ADDRESSES DENSITY PORTION
X X 0 0 0 NONE NONE NONE NONE
0 0 0 0 1 31 1F0000h - 1FFFFFh 64KB Upper 1/32
0 0 0 1 0 30 and 31 1E0000h - 1FFFFFh 128KB Upper 1/16
0 0 0 1 1 28 thru 31 1C0000h - 1FFFFFh 256KB Upper 1/8
0 0 1 0 0 24 thru 31 180000h - 1FFFFFh 512KB Upper 1/4
0 0 1 0 1 16 thru 31 100000h - 1FFFFFh 1MB Upper 1/2
0 1 0 0 1 0 000000h - 00FFFFh 64KB Lower 1/32
0 1 0 1 0 0 and 1 000000h - 01FFFFh 128KB Lower 1/16
0 1 0 1 1 0 thru 3 000000h - 03FFFFh 256KB Lower 1/8
0 1 1 0 0 0 thru 7 000000h - 07FFFFh 512KB Lower 1/4
0 1 1 0 1 0 thru 15 000000h – 0FFFFFh 1MB Lower 1/2
X X 1 1 X 0 thru 31 000000h – 1FFFFFh 2MB ALL
1 0 0 0 1 31 1FF000h – 1FFFFFh 4KB Top Block
1 0 0 1 0 31 1FE000h – 1FFFFFh 8KB Top Block
1 0 0 1 1 31 1FC000h – 1FFFFFh 16KB Top Block
1 0 1 X X 31 1F8000h – 1FFFFFh 32KB Top Block
1 1 0 0 1 0 000000h – 000FFFh 4KB Bottom Block
1 1 0 1 0 0 000000h – 001FFFh 8KB Bottom Block
1 1 0 1 1 0 000000h – 003FFFh 16KB Bottom Block
1 1 1 X X 0 000000h – 007FFFh 32KB Bottom Block