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W29GL032C
7
7.1
FUNCTIONAL DESCRIPTION
Device Bus Operation
Mode Select #Reset
#CE
#WE #OE Address
(4)
Data I/O
DQ[7:0]
#BYTE
V IL V IH #WP/ACC
Data I/O DQ[15:8]
Device Reset
L
X
X
X
X
High-Z
High-Z
High-
Z
L/H
Standby
Mode
V CC ±0.3V V CC ±0.3V
X
X
X
High-Z
High-Z
High-
Z
H
Output
Disable
Read Mode
Write
Accelerated
Program
H
H
H
H
L
L
L
L
H
H
L
L
H
L
H
H
X
AIN
AIN
AIN
High-Z
DOUT
DIN
DIN
High-Z
DQ[14:8]=High-
Z
DQ15=A-1
High-
Z
DOUT
DIN
DIN
L/H
L/H
Note (1,2)
V HH
Table 7-1
Notes:
Device Bus Operation
1.
2.
3.
4.
For High/Low configuration, either the first or last sector was protected if #WP/ACC=VIL.
For Top/Bottom Boot configuration, either the top or bottom two sectors are protected if #WP/ACC=VIL.
When #WP/ACC = VIH, the protection conditions of the outmost sector depends on previous protection conditions.
Refer to the enhanced protect feature.
DQ[15:0] are input (DIN) or output (DOUT) pins according to the requests of instruction sequence, sector protection,
or data polling algorithm.
In Word Mode (#BYTE=VIH), the addresses are A20 to A0. In Byte Mode (#BYTE=VIL), the addresses are A20 to A-1
(DQ15),.
Description
Control Inputs A20
#CE #WE #OE ~12
A11
~10
A9
A8
~7
A6
A5
~4
A3
~2
A1 A0
DQ[7:0] DQ[15:8]
T/B H/L BYTE WORD
Read Silicon ID MFR
Code
Cycle 1
L
L
H
H
L
L
X
X
X
X
VHH
VHH
X
X
L
L
X
X
L
L
L
L
L
H
01
7E
X
X
00
22
Cycle 2
Cycle 3
L
L
H
H
L
L
X
X
X
X
VHH
VHH
X
X
L
L
X
X
H
H
H
H
L
H
1A
01(T)
00(B)
1D
00
X
X
22
22
Sector Lock Status
Verification (1)
Secure Sector (H) (2)
Secure Sector (L) (2)
L
L
L
H
H
H
L
L
L
SA
X
X
X
X
X
VHH
VHH
VHH
X
X
X
L
L
L
X
X
X
L
L
L
H
H
H
L
H
H
01/00
9A/1A
8A/0A
X
X
X
X
X
X
Table 7-2
Notes:
Device Bus Operation (continue)
1.
2.
Sector unprotected code:00h. Sector protected code:01h.
Factory locked code: #WP protects high address sector: 9Ah. #WP protects low address sector: 8Ah. Factory
unlocked code: #WP protects high address sector: 1Ah. #WP protects low address sector: 0Ah
Publication Release Date: August 2, 2013
5
Revision H
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