參數(shù)資料
型號(hào): W25Q20BWUXIP
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 2M X 1 SPI BUS SERIAL EEPROM, PDSO8
封裝: 2 X 3 MM, GREEN, USON-8
文件頁數(shù): 7/70頁
文件大?。?/td> 2106K
代理商: W25Q20BWUXIP
W25Q20BW
Publication Release Date: January 25, 2011
- 15 -
Preliminary - Revision B
8.1.12 Status Register Memory Protection (CMP = 1)
STATUS REGISTER(1)
W25Q20BW 2M-BIT MEMORY PROTECTED(2)
SEC
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY
PORTION
0
X
0
0 thru 3
000000h – 03FFFFh
256KB
ALL
0
X
0
1
0 thru 2
000000h – 02FFFFh
192KB
Lower 3/4
0
X
1
0
0 and 1
000000h – 01FFFFh
128KB
Lower 1/2
0
1
X
0
1
1 thru 3
010000h – 03FFFFh
192KB
Upper 3/4
0
1
X
1
0
2 and 3
020000h – 03FFFFh
128KB
Upper 1/2
0
X
1
NONE
1
X
0
0 thru 3
000000h – 03FFFFh
256KB
ALL
1
0
1
0 thru 3
000000h – 03EFFFh
252KB
Lower 63/64
1
0
1
0
0 thru 3
000000h – 03DFFFh
248KB
Lower 31/32
1
0
1
0 thru 3
000000h – 03BFFFh
240KB
Lower 15/16
1
0
1
0
X
0 thru 3
000000h – 037FFFh
224KB
Lower 7/8
1
0
1
0 thru 3
001000h – 03FFFFh
252KB
Upper 63/64
1
0
1
0
0 thru 3
002000h – 03FFFFh
248KB
Upper 31/32
1
0
1
0 thru 3
004000h – 03FFFFh
240KB
Upper 15/16
1
0
X
0 thru 3
008000h – 03FFFFh
224KB
Upper 7/8
1
X
1
NONE
Notes:
1. X = don’t care
2. If any Erase or Program command specifies a memory region that contains protected data portion, this
command will be ignored.
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