參數(shù)資料
型號: M30LW128D110ZA1T
廠商: 意法半導(dǎo)體
英文描述: 128 Mbit (two 64Mbit, x8/x16, Uniform Block, Flash Memories) 3V Supply, Multiple Memory Product
中文描述: 128兆位(兩個64兆比特,x8/x16,統(tǒng)一座,快閃記憶體)3V電源,多記憶體產(chǎn)品
文件頁數(shù): 52/57頁
文件大?。?/td> 860K
代理商: M30LW128D110ZA1T
M30LW128D
52/57
Figure 25. Protection Register Program Flowchart and Pseudo Code
Note: 1. PR = Protection Register
2. The Read Status Register command must be issued to the same address as the Protection Register Program command.
Write
PR Add, PR Data
(1)
AI06159b
YES
NO
b7 = 1
Start
Write C0h
Write FFh
Read
Status Register
(2)
PR Program
Sucessful
b4 = 1
VPEN Invalid
Error
Protection Register
Program Error
Protection Register
Lock Error
YES
YES
YES
NO
NO
NO
Protection Register Program Command
– write C0h
– write Protection Register Address,
Protection Register Data
do:
– read status register
while b7 = 1
Read Memory Array Command:
– write FFh
If b4 = 1 Protection Register
Program Error
b3 = 1
If b3 = 1 VPEN Invalid Error
b1 = 1
If b1 = 1 Protection Register Lock Error
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