AT52BR3224A-70CI ATMEL [ATMEL Corporation], AT52BR3224A-70CI Datasheet - Page 12
AT52BR3224A-70CI
Manufacturer Part Number
AT52BR3224A-70CI
Description
32-megabit Flash + 4-megabit/ 8-megabit SRAM Stack Memory
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT52BR3224A-70CI.pdf
(46 pages)
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Figure 3. Toggle Bit Algorithm
(Configuration Register = 00)
Note:
12
NO
1. The system should recheck the toggle bit even if
AT52BR3224A(T)/3228A(T)
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Exit Command
Operation Not
Toggle Bit =
Toggle Bit =
Product ID
Toggle?
Toggle?
START
Twice
YES
YES
YES
NO
NO
Program/Erase
Successful
Operation
Figure 4. Toggle Bit Algorithm
(Configuration Register = 01)
Note:
NO
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”.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Exit Command
Operation Not
Toggle Bit =
Toggle Bit =
Product ID
Toggle?
Toggle?
START
Twice
YES
YES
YES
NO
NO
Write Product ID
Program/Erase
Exit Command
Successful,
Operation
3338B–STKD–6/03
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