參數(shù)資料
型號(hào): M29DW324DT90ZA6F
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA63
封裝: 7 X 11 MM, 0.80 MM PITCH, LEAD FREE, TFBGA-63
文件頁(yè)數(shù): 43/50頁(yè)
文件大?。?/td> 878K
代理商: M29DW324DT90ZA6F
M29DW324DT, M29DW324DB
48/50
Figure 25. In-System Equipment Chip Unprotect Flowchart
Note: Block Protection Groups are shown in APPENDIX D., Tables 22 and 23.
AI05577
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
n = 0
CURRENT GROUP = 0
Wait 10ms
WRITE 40h
ADDRESS = CURRENT GROUP 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 GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
RP = VID
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
PROTECT ALL GROUPS
INCREMENT
CURRENT GROUP
LAST
GROUP
YES
NO
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Verify
Unprotect
Set-up
End
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