ACE25C320G Datasheet, PDF (6/37 Pages) ACE Technology Co., LTD. – Uniform SECTOR Dual and Quad Serial Flash

ACE25C320G
Uniform SECTOR Dual and Quad Serial Flash
Data Protection (The ACE25C320G provide the following data protection methods:)
 Write Enable (WREN) command: The WREN command is set the Write Enable Latch bit (WEL).
The WEL bit will return to reset by the following situation:
-Power-Up
-Write Disable (WRDI)
-Write Status Register(WRSR)
-Page Program (PP)
-Sector Erase (SE) / Block Erase (BE) / Chip Erase (CE)
 Software Protection Mode: The Block Protect (SEC, TB, BP2, BP1, BP0) bits define the section
of the memory array that can be read but not change.
 Hardware Protection Mode: WP# going low to protected the BP0~SEC bits and SRP0~1 bits.
 Deep Power-Down Mode: In Deep Power-Down Mode, all commands are ignored except the
Release from deep Power-Down Mode command.
Table1.0 ACE25C320G Protected area size (CMP=0)
Status Register Content
Memory Content
SEC TB BP2 BP1 BP0 Blocks
Addresses
Density Portion
X X 0 0 0 NONE
NONE
NONE
NONE
000 0 1
63 3F0000H-3FFFFFH 64KB Upper 1/64
0 0 0 1 0 62 to 63 3E0000H-3FFFFFH 128KB Upper 1/32
0 0 0 1 1 60 to 63 3C0000H-3FFFFFH 256KB Upper 1/16
0 0 1 0 0 56 to 63 380000H-3FFFFFH 512KB Upper 1/8
0 0 1 0 1 48 to 63 300000H-3FFFFFH 1M
Upper 1/4
0 0 1 1 0 32 to 63 200000H-3FFFFFH 2M
Upper 1/2
010 0 1
0
000000H-00FFFFH 64KB Lower 1/64
0 1 0 1 0 0 to 1 000000H-01FFFFH 128KB Lower 1/32
0 1 0 1 1 0 to 3 000000H-03FFFFH 256KB Lower 1/16
0 1 1 0 0 0 to 7 000000H-07FFFFH 512KM Lower 1/8
0 1 1 0 1 0 to 15 000000H-0FFFFFH 1M
Lower 1/4
0 1 1 1 0 0 to 31 000000H-1FFFFFH 2M
Lower 1/2
X X 1 1 1 0 to 63 000000H-3FFFFFH 4M
ALL
100 0 1
63 3FF000H-3FFFFFH 4KB
Top Block
100 1 0
63 3FE000H-3FFFFFH 8KB
Top Block
100 1 1
63 3FC000H-3FFFFFH 16KB Top Block
101 0 X
63 3F8000H-3FFFFFH 32KB Top Block
101 1 0
63 3F8000H-3FFFFFH 32KB Top Block
110 0 1
0
000000H-000FFFH 4KB Bottom Block
110 1 0
0
000000H-001FFFH 8KB Bottom Block
110 1 1
0
000000H-003FFFH 16KB Bottom Block
111 0 X
0
000000H-007FFFH 32KB Bottom Block
111 1 0
0
000000H-007FFFH 32KB Bottom Block
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