EN29F002A Datasheet, PDF (5/35 Pages) Eon Silicon Solution Inc. – 2 Megabit (256K x 8-bit) Flash Memory

TABLE 3. OPERATING MODES
EN29F002A / EN29F002AN
2M FLASH USER MODE TABLE
USER MODE
C E WE OE RESET A9 A8 A6 A1 A0 Ax/y
DQ(0-7)
RESET
X
(n/a on EN29F002AN)
STANDBY
H
READ
L
OUTPUT DISABLE
L
READ
L
MANUFACTURER ID
READ DEVICE ID
L
VERIFY SECTOR
L
PROTECT
ENABLE SECTOR
L
PROTECT
SECTOR UNPROTECT L
WRITE
L
TEMPORARY SECTOR X
UNPROTECT
X
X
L
X
X
H
H
L
H
H
H
H
H
L
H
H
L
H
H
L
H
L VID
H
L VID
H
L
H
H
X
X
VID
NOTES:
1) L = V_IL, H = V_IH, V_ID = 11.0V ± 0.5V
2) X = Don’t care, either V_IH or V_IL
X
X
X
X
X
X
X
X
X
X
X
X
A9 A8 A6 A1 A0 Ax/y
X
X
X
X
X
X
VID L/H L
L
L
X
VID L/H L
L
H
X
VID X
L
H
L
X
VID X
L
X
X
X
VID X
H
H
L
X
A9 A8 A6 A1 A0 Ax/y
X
X
X
X
X
X
HI-Z
HI-Z
DQ(0-7)
HI-Z
MANUFACTURER
ID
DEVICE ID(T/B)
01h(protected)
00h(unprotected)
X
X
DIN(0-7)
X
TABLE 4. DEVICE IDENTIFICTION
2M FLASH MANUFACTURER/DEVICE ID TABLE
READ
MANUFACTURER ID
READ
MANUFACTURER ID^*
READ DEVICE ID
(Top Architecture)
READ DEVICE ID^*
(Top Architecture)
READ DEVICE ID
(Bottom Architecture)
READ DEVICE ID^*
(Bottom Architecture)
A8
A6
L
L
H
L
L
L
H
L
L
L
H
L
A1 A0
L
L
L
L
L
H
L
H
L
H
L
H
DQ(7-0)
HEX
CONTINUATION MANUFACTURER ID
7F
MANUFACTURER ID
1C
CONTINUATION DEVICE ID
7F
DEVICE ID
92
CONTINUATION DEVICE ID
7F
DEVICE ID
97
NOTES:
These modes (A8=H) are recommended for Manufacture/Device ID check.
This Data Sheet may be revised by subsequent versions
5
or modifications due to changes in technical specifications.
©2003 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. A, Issue Date: 2003/03/26