EM39LV040
4M (512Kx8) Bits Flash Memory
SPECIFICATION
Software ID Commands
Software ID Entry
Command Sequence
Software ID Exit Command
Sequence
Load Data: AAH
Address: 5555H
Load Data: AAH
Address: 5555H
Load Data: F0H
Address: XXH
Load Data: 55H
Address: 2AAAH
Load Data: 55H
Address: 2AAAH
Wait TIDA
Load Data: 90H
Address: 5555H
Load Data: F0H
Address: 5555H
Return to Normal
Operation
Wait TIDA
Wait TIDA
Return to Normal
Operation
Read Software ID
X can be VIL or VIH, but no other value.
Figure 14: Software ID Command Flowcharts
This specification is subject to change without further notice. (07.22.2004 V1.0)
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ELAN [ ELAN MICROELECTRONICS CORP ]
