參數(shù)資料
型號(hào): M29DW128F70NF1T
廠商: 意法半導(dǎo)體
英文描述: 128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory
中文描述: 128兆位(16Mb的x8或和8Mb x16插槽,多行,頁(yè),引導(dǎo)塊)3V電源,快閃記憶體
文件頁(yè)數(shù): 22/93頁(yè)
文件大?。?/td> 719K
代理商: M29DW128F70NF1T
4 Hardware Protection
M29DW128F
22/93
4
Hardware Protection
The M29DW128F features hardware protection/unprotection. Refer to
Table 9
for details on
hardware block protection/unprotection using V
PP
/WP and RP pins.
4.1
Write Protect
The V
PP
/WP pin protects the four outermost parameter blocks (refer to
Section 2: Signal
descriptions
for a detailed description of the signals).
4.2
Temporary Block Unprotect
When held at V
ID
, the Reset/Block Temporary Unprotect pin, RP, will temporarily unprotect all
the blocks previously protected using a High Voltage Block Protection technique.
Table 9.
Hardware Protection
V
PP
/WP
RP
Function
V
IL
V
IH
4 outermost parameter blocks protected from
Program/Erase operations
V
ID
All blocks temporarily unprotected except the 4
outermost blocks
(1)
1.
The temporary unprotection is valid only for the blocks that have been protected using the High Voltage
Protection Technique (see
Appendix D: High Voltage Block Protection
). The blocks protected using a software
protection method (Standard, Password) do not follow this rules.
V
IH
or V
ID
V
ID
All blocks temporarily unprotected
(1)
V
PPH
V
IH
or V
ID
All blocks temporarily unprotected
(1)
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