M25PE80 Numonyx, B.V., M25PE80 Datasheet - Page 17

• Manufacturer Part Number: M25PE80
• Description: 8-Mbit, page-erasable serial flash memory with byte alterability, 75 MHz SPI bus, standard pinout
• Manufacturer: Numonyx, B.V.

M25PE80
Table 4.
1. The device is ready to accept a bulk erase instruction if, and only if, all block protect (BP2, BP1, BP0) are 0.
BP2
bit
Status register
0
0
0
0
1
1
1
1
The second software protected mode (SPM2) uses the block protect (BP2, BP1,
BP0, see
content
BP1
bit
0
0
1
1
0
0
1
1
Protected area sizes
BP0
bit
0
1
0
1
0
1
0
1
Section
none
Upper sixteenth (Sector 15)
Upper eighth (two sectors: 14 and 15)
Upper quarter (four sectors: 12 to 15)
Upper half (eight sectors: 8 to 15)
All sectors (sixteen sectors: 0 to 15)
All sectors (sixteen sectors: 0 to 15)
All sectors (sixteen sectors: 0 to 15)
6.4.3) bits to allow part of the memory to be configured as read-only.
Protected area
Memory content
All sectors
Lower fifteen-sixteenths (fifteen sectors:
0 to 14)
Lower seven-eighths (fourteen sectors:
0 to 13)
Lower three-quarters (twelve sectors: 0
to 11)
Lower half (eight sectors: 0 to 7)
none
none
none
(1)
Unprotected area
(sixteen sectors: 0 to 15)
Operating features
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