E S I
E S I
ADVANCED INFORMATION
Excel Semiconductor inc.
Table 1. ES29DL320 Device Bus Operations
DQ0
~
DQ7
DQ8~DQ15
Operation
CE# OE# WE# RESET# WP#/ACC Addresses
BYTE#
= VIH
BYTE#
= VIL
(Note 1)
Read
Write
L
L
L
H
L
L
A
D
D
L
H
H
H
H
H
L/H
IN
OUT
OUT
DQ8~DQ14 = High-Z,
DQ15 = A-1
A
(Note 3)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
IN
V
A
Accelerated Program
Standby
HH
IN
Vcc+
0.3V
X
X
Vcc+
0.3V
H
X
High-Z
High-Z
High-Z
Output Disable
Reset
L
H
X
H
X
H
L
L/H
L/H
X
X
High-Z
High-Z
High-Z
High-Z
X
Sector Protect
(Note 2)
SA,A6=L,
A1=H,A0=L
V
L
L
X
L
H
H
X
L
L
X
L
L/H
(Note 4)
(Note 4)
(Note 4)
X
X
X
X
ID
Sector Unprotect
(Note 2)
L/H
(Note 3)
SA,A6=H,
A1=H,A0=L
In-system
V
V
ID
ID
Temporary Sec-
tor Unprotect
H
A
(Note 4)
High-Z
IN
(Note 3)
SA,A9=V
A6=L,
,
ID
H
Sector protect
V
H
ID
ID
(Note 3)
A9 High-Volt-
age Method
A1=H,A0=L
(Note 4)
(Note 4)
High-Z
SA,A9=V
A6=H,
,
ID
H
Sector unprotect
V
H
L
L
(Note 3)
A1=H,A0=L
Legend: L=Logic Low=V , H=Logic High=V , V =8.5 - 12.5V, V =8.5 - 9.5V, X=Don’t Care, SA=Sector Address,
IL
IH
ID
HH
A
=Address In, D =Data In, D
=Data Out
IN
IN
OUT
Notes:
1. Addresses are A20:A0 in word mode (BYTE#=V ) , A20:A-1 in byte mode (BYTE#=V ).
IH
IL
2. The sector protect and sector unprotect functions may also be implemented via programming equipment. See the “Sector/Sector
Block Protection and Unprotection” section.
3. If WP#/ACC=V , the two outermost boot sectors remain protected. If WP#/ACC=V , the two outermost boot sector protection
IL
IH
depends on whether they were last protected or unprotected using the method described in “Sector/Sector Block Protection and
Unprotection”. If WP#/ACC=V , all sectors will be unprotected.
HH
4. D or D
as required by command sequence, data polling, or sector protection algorithm.
OUT
IN
Table 2. Autoselect Codes (A9 High-Voltage Method)
A20 A11
A8
A9 to
A7
A5
to
A2
DQ8~DQ15
Description CE# OE# WE# to
to
A6
A1 A0
DQ7~DQ0
BYTE# BYTE#
A12 A10
= VIH
= VIL
L
L
H
H
VID
VID
X
X
L
L
X
X
L
L
L
X
ManufactureID:ESI
L
L
BA
BA
X
X
X
4Ah
Device ID:
ES29DL320
H
22h
X
X
X
41h(T),81h(B)
Sector Protection
Verification
01h(protected)
00h(unprotected)
VID
L
L
L
L
H
H
SA
BA
X
X
X
X
L
L
X
X
H
H
L
Security Sector
Indicator Bit(DQ7)
82h(factory-locked),
02h(customer-lock-
able)
VID
H
X
X
Legend: T= Top Boot Block, B = Bottom Boot Block, L=Logic Low=V , H=Logic High=V , BA= Bank Address, SA=Sector Address,
IL
IH
X = Don’t care.
12
Rev. 0E May 25, 2006
ES29DL320