AT52BC6402A-70CI データシートの表示（PDF） - Atmel Corporation
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AT52BC6402A-70CI Datasheet PDF : 38 Pages
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Figure 4. Toggle Bit Algorithm
(Configuration Register = 00)
Figure 5. Toggle Bit Algorithm
(Configuration Register = 01)
START
Read I/O7 - I/O0
Read I/O7 - I/O0
START
Read I/O7 - I/O0
Read I/O7 - I/O0
Toggle Bit =
NO
Toggle?
YES
NO I/O3, I/O5 = 1?
YES
Read I/O7 - I/O0
Twice
Toggle Bit =
NO
Toggle?
YES
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
Program/Erase
Operation
Successful,
Device in
Read Mode
Toggle Bit =
NO
Toggle?
YES
NO I/O3, I/O5 = 1?
YES
Read I/O7 - I/O0
Twice
Toggle Bit =
NO
Toggle?
YES
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
Program/Erase
Operation
Successful,
Write Product ID
Exit Command
Note:
1. The system should recheck the toggle bit even if
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
Note:
1. The system should recheck the toggle bit even if I/O5 =
“1” because the toggle bit may stop toggling as I/O5
changes to “1”.
10 AT52BC6402A(T)
3441B–STKD–11/04
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