AT52BR1664-90CI Atmel, AT52BR1664-90CI Datasheet - Page 11

• Manufacturer Part Number: AT52BR1664-90CI
• Manufacturer: Atmel

Specifications of AT52BR1664-90CI

• Operating Supply Voltage (max): 3.3V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

Figure 3. Toggle Bit Algorithm
(Configuration Register = 00)
Note:
2212C–STKD–09/02
NO
1. The system should recheck the toggle bit even if
Successful, Write
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
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
Successful, Write
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Operation Not
Exit Command
AT52BR1662(T)/1664(T)
Toggle Bit =
Toggle Bit =
Product ID
Toggle?
Toggle?
START
Twice
YES
YES
YES
NO
NO
Write Product ID
Program/Erase
Exit Command
Successful,
Operation
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