A82DL3244UG-70U Datasheet

  • A82DL3244UG-70U

  • Stacked Multi-Chip Package (MCP) Flash Memory and SRAM, A82D...

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  • AMICC

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A82DL32x4T(U) Series
Table 1-2. Device Bus Operations 鈥?Flash Byte Mode (
BYTE_F
Operation
(Notes 1, 2)
Read from Flash
= V
IL
)
RESET
WP
/ACC
(Note 4)
CE_F
C
E1_S
H
CE2_S
X
OE
L
WE
H
A0-A20
LB_S
UB_S
(Note3) (Note3)
I/O
7
鈥?/div>
I/O
0
I
OUT
I/O
15
鈥?/div>
I/O
8
High-Z
I/O
14鈥?
=Hi-Z;
I/O
15
=A-1
High-Z
L
X
H
L
X
A
IN
X
X
H
L/H
Write to Flash
L
X
L
X
H
X
L
H
L
A
IN
X
X
H
(Note 3)
I
IN
Standby
VCC 卤
0.3 V
X
L
H
X
H
X
X
X
X
X
L
X
X
X
VCC_F 卤
0.3 V
H
High-Z
Output Disable
L
H
H
L
H
L/H
High-Z
High-Z
Flash Hardware
Reset
H
X
X
H
X
X
L
X
H
L
L
X
H
L
L
X
X
X
A
IN
X
X
V
ID
(Note 6)
I
IN
High-Z
L
H
L
L
H
L
H
H
H
X
H
X
I
OUT
High-Z
I
OUT
I
IN
High-Z
I
IN
I
OUT
I
OUT
High-Z
I
IN
I
IN
High-Z
SA,
A6 = L,
A1 = H,
A0 = L
SA,
A6 = H,
A1 = H,
A0 = L
X
X
V
ID
L/H
I
IN
X
X
X
X
X
L
L/H
High-Z
High-Z
Sector Protect
(Notes)
L
X
H
Sector Unprotect
(Note 5)
L
X
H
X
X
X
X
V
ID
(Note 6)
I
IN
X
Temporary
Sector Unprotect
Read from
SRAM
H
L
H
L
H
A
IN
H
L
H
Write to SRAM
H
L
H
X
L
A
IN
L
L
Legend: L = Logic Low = V
IL
, H = Logic High = V
IH
, V
ID
= 8.5鈥?2.5 V, V
HH
= 9.0 卤 0.5 V, X = Don鈥檛 Care, SA = Sector Address,
A
IN
= Address In (for Flash Byte Mode, I/O
15
=A-1), I
IN
= Data In, I
OUT
= Data Out
Notes:
1.Other operations except for those indicated in this column are inhibited.
2.Do not apply
CE_F
= V
IL
,
CE1_S
= V
IL
and CE2_S = V
IH
at the same time.
3.Don鈥檛 care or open
LB_S
or
UB_S
.
4.The sector protect and sector unprotect functions may also be implemented via programming equipment. See the
鈥淪ector/Sector Block Protection and Unprotection鈥?section.
5. If
WP
/ACC = V
IL
, the two outermost boot sectors remain protected. If
WP
/ACC = V
IH
, the two outermost boot sector
protection depends on whether they were last protected or unprotected using the method described in 鈥淪ector/Sector Block
Protection and Unprotection鈥? If
WP
/ACC = V
HH
, all sectors will be unprotected.
PRELIMINARY
(August, 2005, Version 0.0)
9
AMIC Technology, Corp.

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