1.6.1.1.9. Block Protection Bits in EPCQ256 when TB Bit is Set to 0
Table 23. Block Protection Bits in EPCQ256 when TB Bit is Set to 0
Status Register Content Memory Content
TB Bit BP3 Bit BP2 Bit BP1 Bit BP0 Bit Protected Area Unprotected Area
0 0 0 0 0 None All sectors
0 0 0 0 1 Sector 511 Sectors (0 to 510)
0 0 0 1 0 Sectors (510 to 511) Sectors (0 to 509)
0 0 0 1 1 Sectors (508 to 511) Sectors (0 to 507)
0 0 1 0 0 Sectors (504 to 511) Sectors (0 to 503)
0 0 1 0 1 Sectors (496 to 511) Sectors (0 to 495)
0 0 1 1 0 Sectors (480 to 511) Sectors (0 to 479)
0 0 1 1 1 Sectors (448 to 511) Sectors (0 to 447)
0 1 0 0 0 Sectors (384 to 511) Sectors (0 to 383)
0 1 0 0 1 Sectors (256 to 511) Sectors (0 to 255)
0 1 0 1 0 All sectors None
0 1 0 1 1 All sectors None
0 1 1 0 0 All sectors None
0 1 1 0 1 All sectors None
0 1 1 1 0 All sectors None
0 1 1 1 1 All sectors None
1.6.1.1.10. Block Protection Bits in EPCQ256 when TB Bit is Set to 1
Table 24. Block Protection Bits in EPCQ256 when TB Bit is Set to 1
Status Register Content Memory Content
TB Bit BP3 Bit BP2 Bit BP1 Bit BP0 Bit Protected Area Unprotected Area
1 0 0 0 0 None All sectors
1 0 0 0 1 Sector 0 Sectors (1 to 511)
1 0 0 1 0 Sectors (0 to 1) Sectors (2 to 511)
1 0 0 1 1 Sectors (0 to 3) Sectors (4 to 511)
1 0 1 0 0 Sectors (0 to 7) Sectors (8 to 511)
1 0 1 0 1 Sectors (0 to 15) Sectors (16 to 511)
1 0 1 1 0 Sectors (0 to 31) Sectors (32 to 511)
1 0 1 1 1 Sectors (0 to 63) Sectors (64 to 511)
1 1 0 0 0 Sectors (0 to 127) Sectors (128 to 511)
1 1 0 0 1 Sectors (0 to 255) Sectors (256 to 511)
1 1 0 1 0 All sectors None
1 1 0 1 1 All sectors None
continued...
1. Quad-Serial Configuration (EPCQ) Devices Datasheet
CF52012 | 2018.06.01
Quad-Serial Configuration (EPCQ) Devices Datasheet
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