AT52BR6408A ATMEL [ATMEL Corporation], AT52BR6408A Datasheet - Page 9

• Manufacturer Part Number: AT52BR6408A
• Description: 64-Mbit Flash, 8-Mbit SRAM (x16 I/O)
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 1. Data Polling Algorithm
(Configuration Register = 00)
Notes:
3425A–STKD–1/04
NO
1. VA = Valid address for programming. During a sec-
2. I/O7 should be rechecked even if I/O5 = “1”
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.
because I/O7 may change simultaneously with
I/O5.
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Operation Not
Exit Command
I/O7 = Data?
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
START
NO
NO
YES
YES
YES
Program/Erase
Successful,
Read Mode
Operation
Device in
Figure 2. Data Polling Algorithm
(Configuration Register = 01)
Note:
NO
1. VA = Valid address for programming. During a sector
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.
Successful, Write
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
AT52BR6408A(T)
Write Product ID
Program/Erase
Exit Command
NO
Successful,
Operation
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