AT52BR1664-90CI Atmel, AT52BR1664-90CI Datasheet - Page 10

• 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 1. Data Polling Algorithm
(Configuration Register = 00)
Notes:
10
NO
1. VA = Valid address for programming. During a sec-
2. I/O7 should be rechecked even if I/O5 = “1”
Successful, Write
AT52BR1662(T)/1664(T)
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
tor erase operation, a valid address is any sector
address within the sector being erased. During
chip erase, a valid address is any non-protected
sector address.
because I/O7 may change simultaneously with
I/O5.
I/O3, I/O5 = 1?
Operation Not
Exit Command
I/O7 = Data?
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
START
NO
YES
NO
YES
YES
Program/Erase
Read Mode
Successful,
Operation
Device in
Figure 2. Data Polling Algorithm
(Configuration Register = 01)
Note:
NO
1. VA = Valid address for programming. During a sec-
Successful, Write
tor erase operation, a valid address is any sector
address within the sector being erased. During
chip erase, a valid address is any non-protected
sector address.
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Exit Command
Operation Not
Product ID
Addr = VA
I/O7 = 1?
START
YES
YES
Write Product ID
Program/Erase
Exit Command
NO
Successful,
Operation
2212C–STKD–09/02