m29f016d STMicroelectronics, m29f016d Datasheet - Page 35

• Manufacturer Part Number: m29f016d
• Description: 16 Mbit 2mb X8, Uniform Block 5v Supply Flash Memory
• Manufacturer: STMicroelectronics

Figure 17. In-System Equipment Chip Unprotect Flowchart
Note: Block Protection Groups are shown in Appendix A, Table 15.
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT GROUP ADDRESS
ADDRESS = CURRENT GROUP ADDRESS
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
PROTECT ALL GROUPS
CURRENT GROUP = 0
ANY ADDRESS WITH
ANY ADDRESS WITH
NO
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10ms
RP = V ID
Wait 4µs
START
DATA
n = 0
00h
=
YES
ISSUE READ/RESET
COMMAND
RP = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
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