參數(shù)資料
型號: M25PE20-VMN6G
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: 4 Mbit Uniform Sector, Serial Flash Memory
中文描述: 4兆位統(tǒng)一部門,串行閃存
文件頁數(shù): 16/60頁
文件大小: 310K
代理商: M25PE20-VMN6G
Operating features
M25PE20, M25PE10
16/60
Table 2.
The second Software Protected mode (SPM2)
uses the Block Protect (BP1, BP0,
see
Section 6.4.3
)) bits to allow part of the memory to be configured as read-only.
Table 3.
Table 4.
Software protection truth table (Sectors 0 to 3 for M25PE20 or sectors 0
to 1 for M25PE10, 64-Kbyte granularity)
Sector Lock Register
Protection status
Lock
Down bit
Write
Lock bit
0
0
Sector unprotected from Program/Erase/Write operations, Protection status
reversible
0
1
Sector protected from Program/Erase/Write operations, Protection status
reversible
1
0
Sector Unprotected from Program/Erase/Write operations,
Sector Protection Status cannot be changed except by a Reset or Power-up.
1
1
Sector Protected from Program/Erase/Write operations,
Sector Protection Status cannot be changed except by a Reset or Power-up.
Protected area sizes for M25PE20
Status Register
content
Memory content
BP1 Bit BP0 Bit
Protected area
Unprotected area
0
0
none
All sectors
(1)
(four sectors: 0 to 3)
1.
The device is ready to accept a Bulk Erase instruction if, and only if, all Block Protect bits (BP1, BP0) are 0.
0
1
Upper quarter (Sector 3)
Lower three quarters (three sectors: 0 to 2)
1
0
Upper half (two sectors: 2 and 3)
Lower half (two sectors: 0 to 1)
1
1
All sectors (four sectors: 0 to 3)
none
Protected area sizes for M25PE10
Status Register
content
Memory content
BP1 Bit BP0 Bit
Protected area
Unprotected area
0
0
none
All sectors
(1)
(two sectors: 0 and 1)
1.
The device is ready to accept a Bulk Erase instruction if, and only if, all Block Protect bits (BP1, BP0) are 0.
0
1
Upper half (1 sector: sector 1)
Lower half (one sector: sector 0)
1
0
Upper half (1 sector: sector 1)
Lower half (one sector: sector 0)
1
1
All sectors (two sectors: 0 and 1)
none
相關(guān)PDF資料
PDF描述
M25PE20-VMN6P 4 Mbit Uniform Sector, Serial Flash Memory
M25PE20-VMN6TG 4 Mbit Uniform Sector, Serial Flash Memory
M25PE20-VMN6TP 4 Mbit Uniform Sector, Serial Flash Memory
M25PE20-VMP6G 4 Mbit Uniform Sector, Serial Flash Memory
M25PE20-VMP6P 4 Mbit Uniform Sector, Serial Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
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