MBM29PDS322BE Просмотр технического описания (PDF) - Fujitsu
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MBM29PDS322BE Datasheet PDF : 66 Pages
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MBM29PDS322TE/BE 10/11
s DEVICE BUS OPERATION
Operation
Table 3: MBM29PDS322TE/BE User Bus Operations
CE OE WE A0 A1 A2 A3 A6 A9
DQ15 to
DQ0
RESET
WP/
ACC
Auto-Select Manufacturer
Code *1
L L H L L L L L VID Code
H
X
Auto-Select Device Code *1
L L H H L L L L VID Code
H
X
Extended Auto-Select Device
Code *1
L
L
H L/H H
H
H
L VID
Code
H
X
Read *3
L L H A0 A1 A2 A3 A6 A9
DOUT
H
X
Standby
H X X X X X X X X High-Z
H
X
Output Disable
L H H X X X X X X High-Z
H
X
Write (Program/Erase)
L H L A0 A1 A2 A3 A6 A9
DIN
H
X
Enable Sector Group
Protection *2, *4
L VID
L H L L L VID
X
H
X
Verify Sector Group Protection
*2, *4
L
L
H
L
H
L
L
L VID
Code
H
X
Temporary Sector Group
Unprotection *5
XXXXXXXXX
X
VID
X
Reset (Hardware) / Standby X X X X X X X X X High-Z
L
X
Boot Block Sector Write
Protection *6
XXXXXXXXX
X
X
L
Legend: L = VIL, H = VIH, X = VIL or VIH, = Pulse input. See DC Characteristics for voltage levels.
*1: Manufacturer and device codes may also be accessed via a command register write sequence. See Table 3.
*2: Refer to section on Sector Group Protection.
*3: WE can be VIL if OE is VIL, OE at VIH initiates the write operations.
*4: VCC must be between the minimum and maximum of the operation range.
*5: It is also used for the extended sector group protection.
*6: Protect “outermost” 2 × 4 Kwords of the boot block sectors.
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