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| 型号： | X24F032VE-5 |
| 英文描述： | SerialFlash TM Memory with Block Lock TM Protection |
| 中文描述： | SerialFlash商标内存区块可锁定的商标保护 |
| 文件页数： | 10/18页 |
| 文件大小： | 85K |
| 代理商： | X24F032VE-5 |
X24F064/032/016
10
Block Lock Bits
The Block Lock Bits BL0 and BL1 determine which
blocks of the memory are write-protected:
Table 1. Block Lock Bits
6686 FRM T02
BL1
0
0
1
1
BL0
0
1
0
1
Array Locked
None
Upper 1/4
Upper 1/2
Full Array (WPR not included)
Programmable Hardware Program Protect
The Program Protect (PP) pin and the Program Protect
Enable (PPEN) bit in the Program Protect Register
control the programmable hardware program protect
feature. Hardware program protection is enabled when
the PP pin and the PPEN bit are both
disabled when either the PP pin is LOW or the PPEN
bit is LOW. When the chip is hardware program-
protected, nonvolatile programming is disabled,
including the Program Protect Register, the BL bits and
the PPEN bit itself, as well as to Block Locked sections
in the memory array. Only the sections of the memory
array that are not Block Locked can be written. Note
that since the PPEN bit is program-protected, it cannot
be changed back to a LOW state, and program protec-
tion is disabled as long as the PP pin is held HIGH.
Table 2 defines the program protection status for each
state of PPEN and PP.
HIGH
, and
Table 2. Program Protect Status Table
6686 FRM T03
PP
0
X
1
PPEN
X
0
1
Memory Array
(Not Block Locked)
Programmable
Programmable
Programmable
Memory Array
(Block Locked)
Locked
Locked
Locked
BL Bits
Programmable
Programmable
Locked
PPEN Bit
Programmable
Programmable
Locked
相关PDF资料 |
PDF描述 |
|---|---|
| X24F064SI-5 | SerialFlash TM Memory with Block Lock TM Protection |
| X24F064VI-5 | SerialFlash TM Memory with Block Lock TM Protection |
| X24F064S-5 | SerialFlash TM Memory with Block Lock TM Protection |
| X24F064V-5 | SerialFlash TM Memory with Block Lock TM Protection |
| X24F032 | SerialFlash TM Memory with Block Lock TM Protection |
相关代理商/技术参数 |
参数描述 |
|---|---|
| X24F032VI | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F032VI-5 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F064 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F064P | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F064P-5 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
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