at49ld3200 ATMEL Corporation, at49ld3200 Datasheet - Page 35

• Manufacturer Part Number: at49ld3200
• Description: At49ld3200 32-megabit 1m X 32 Or 2m X 16 High-speed Synchronous Flash Memory
• Manufacturer: ATMEL Corporation

Boot Block Lockout Cycle Waveforms
Boot Block Lockout Verify Cycle Waveforms
Note:
1940B–FLASH–11/01
(CL5, BL4)
ADDR
DATA
RAS
CAS
CLK
WE
CS
ADDR
DATA
RAS
CAS
CLK
DQ = XX00 (Hex) implies Boot Block not activated and Lockout not enabled.
DQ = XX01 (Hex) implies Boot Block not activated and Lockout enabled.
DQ = XX02 (Hex) implies Boot Block activated and Lockout not enabled.
DQ = XX03 (Hex) implies Boot Block activated and Lockout enabled.
WE
CS
AA
AA
55
AA
PRECHARGE
COMMAND
AA
55
PRECHARGE
COMMAND
55
2A
55
55
PRECHARGE
COMMAND
2A
55
PRECHARGE
AA
COMMAND
BOOT BLOCK LOCKOUT VERIFY CYCLE
55
80
PRECHARGE
AA
COMMAND
55
80
BOOT BLOCK LOCKOUT CYCLE
AA
PRECHARGE
COMMAND
55
AA
PRECHARGE
COMMAND
AA
55
AA
AA
PRECHARGE
COMMAND
55
90
PRECHARGE
COMMAND
AA
55
40
PRECHARGE
200 ns
COMMAND
AT49LD3200(B)
t
BBL
READ
DQ
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