EN29F040A EON [Eon Silicon Solution Inc.], EN29F040A Datasheet - Page 10

• Manufacturer Part Number: EN29F040A
• Description: 4 Megabit (512K x 8-bit) Flash Memory
• Manufacturer: EON [Eon Silicon Solution Inc.]

EN29F040A
The system must write the Erase Resume command (address bits are “don’t care”) to exit the
erase suspend mode and continue the sector erase operation. Further writes of the Resume command
are ignored. Another Erase Suspend command can be written after the device has resumed erasing.
Sector Protection/Unprotection
The hardware sector protection feature disables both program and erase operations in any sector. The
hardware sector unprotection feature re-enables both program and erase operations in previously
protected sectors.
Sector protection/unprotection must be implemented using programming equipment. The procedure re-
Contact Eon Silicon Solution, Inc. for
quires a high voltage (V
) on address pin A9 and the control pins.
ID
an additional supplement on this feature.
This Data Sheet may be revised by subsequent versions
10
©2003 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. B, Issue Date: 2004/04/01