E5551 데이터 시트보기 (PDF) - Temic Semiconductors
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E5551 Datasheet PDF : 21 Pages
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e5551
Errors During Programming
If writing was successful, the following errors could
prevent programming:
D The lock bit of the addressed block is set
D VPP is too low
In these cases, programming stops immediately. The IC
reverts to read mode, starting with the currently addressed
block.
Power-on reset
Loading
block 0
READ
Write mode
Stop
11
OP-code
addr+1
fail
addr+current
ok 10
Password
fail
ok
Number of bits
ok
Lock bit
fail
fail
ok
fail
HV
ok
fail
PROGRAM
ok
Figure 22. Functional diagram of the e5551
Rev. A2, 19-Apr-00
13 (21)
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