参数资料
型号: W29GL032CB7A
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 80 ns, PBGA48
封装: GREEN, VFBGA-48
文件页数: 3/65页
文件大小: 650K
代理商: W29GL032CB7A
W29GL032C
Publication Release Date: January 19, 2011
5
Preliminary - Revision B
7
FUNCTIONAL DESCRIPTION
7.1
Device Bus Operation
Mode Select
#Reset
#CE
#WE #OE Address
(4) Data I/O
DQ[7:0]
#BYTE
#WP/ACC
VIL
VIH
Data I/O DQ[15:8]
Device Reset
L
X
High-Z
High-
Z
L/H
Standby
Mode
VCC±0.3V VCC±0.3V
X
High-Z
High-
Z
H
Output
Disable
H
L
H
X
High-Z
High-
Z
L/H
Read Mode
H
L
H
L
AIN
DOUT
DQ[14:8]=High-
Z
DQ15=A-1
DOUT
L/H
Write
H
L
H
AIN
DIN
Note
(1,2)
Accelerated
Program
H
L
H
AIN
DIN
VHH
Table 7-1
Device Bus Operation
Notes:
1.
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.
2.
When #WP/ACC = VIH, the protection conditions of the outmost sector depends on previous protection conditions.
Refer to the enhanced protect feature.
3.
DQ[15:0] are input (DIN) or output (DOUT) pins according to the requests of instruction sequence, sector protection,
or data polling algorithm.
4.
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
~12
A11
~10
A9
A8
~7
A6
A5
~4
A3
~2
A1 A0
DQ[7:0]
DQ[15:8]
#CE #WE #OE
T/B
H/L BYTE WORD
Read Silicon ID
MFR Code
L
H
L
X
VHH
X
L
X
L
01
X
00
D
ev
ic
e
I
D
Cycle 1
L
H
L
X
VHH
X
L
X
L
H
7E
X
22
Cycle 2
L
H
L
X
VHH
X
L
X
H
L
1A
1D
X
22
Cycle 3
L
H
L
X
VHH
X
L
X
H
01(T)
00
X
22
00(B)
Sector Lock Status
Verification
(1)
L
H
L
SA
X
VHH
X
L
X
L
H
L
01/00
X
Secure Sector (H)
(2)
L
H
L
X
VHH
X
L
X
L
H
9A/1A
X
Secure Sector (L)
(2)
L
H
L
X
VHH
X
L
X
L
H
8A/0A
X
Table 7-2
Device Bus Operation (continue)
Notes:
1.
Sector unprotected code:00h. Sector protected code:01h.
2.
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
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