參數(shù)資料
型號(hào): M29F400FB5AN6F2
元件分類: PROM
英文描述: 256K X 16 FLASH 5V PROM, 55 ns, PDSO48
封裝: 12 X 20 MM, ROHS COMPLIANT, PLASTIC, TSOP1-48
文件頁(yè)數(shù): 60/65頁(yè)
文件大?。?/td> 1669K
代理商: M29F400FB5AN6F2
M29FxxxFT, M29FxxxFB
Block protection
63/65
Figure 28.
In-System Equipment Chip Unprotect Flowchart
AI03472
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
n = 0
CURRENT BLOCK = 0
Wait 10ms
WRITE 40h
ADDRESS = CURRENT BLOCK ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
RP = VIH
++n
= 1000
START
FAIL
PASS
YES
NO
DATA
=
00h
YES
NO
RP = VIH
Wait 4s
READ DATA
ADDRESS = CURRENT BLOCK ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
RP = VID
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
PROTECT ALL BLOCKS
INCREMENT
CURRENT BLOCK
LAST
BLOCK
YES
NO
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Verify
Unprotect
Set-up
End
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