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S71AL016D 데이터시트(HTML) 20 Page - SPANSION

부품명 S71AL016D
상세내용  Stacked Multi-Chip Product (MCP) Flash Memory and RAM
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제조사  SPANSION [SPANSION]
홈페이지  http://www.spansion.com
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S71AL016D 데이터시트(HTML) 20 Page - SPANSION

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S29AL016D
S29AL016D_00_A1_E August 4, 2004
Advan ce
In form ati o n
Note: Address range is A19:A-1 in byte mode and A19:A0 in word mode. See the “Word/Byte Configuration” section.
Autoselect Mode
The autoselect mode provides manufacturer and device identification, and sector
protection verification, through identifier codes output on DQ7–DQ0. This mode
is primarily intended for programming equipment to automatically match a device
to be programmed with its corresponding programming algorithm. However, the
autoselect codes can also be accessed in-system through the command register.
When using programming equipment, the autoselect mode requires VID (11.5 V
to 12.5 V) on address pin A9. Address pins A6, A1, and A0 must be as shown in
Table 4. In addition, when verifying sector protection, the sector address must
appear on the appropriate highest order address bits (see Tables 2 and 3). Table
4 shows the remaining address bits that are don’t care. When all necessary bits
have been set as required, the programming equipment may then read the cor-
responding identifier code on DQ7-DQ0.
To access the autoselect codes in-system, the host system can issue the autose-
lect command via the command register, as shown in Table 9. This method does
not require VID. See “Command Definitions” for details on using the autoselect
mode.
Table 4. S29AL016D Autoselect Codes (High Voltage Method)
L = Logic Low = VIL, H = Logic High = VIH, SA = Sector Address, X = Don’t care.
Note: The autoselect codes may also be accessed in-system via command sequences. See Table 9.
Sector Protection/Unprotection
The hardware sector protection feature disables both program and erase opera-
tions in any sector. The hardware sector unprotection feature re-enables both
program and erase operations in previously protected sectors.
The device is shipped with all sectors unprotected. Spansion offers the option of
programming and protecting sectors at its factory prior to shipping the device
through Spansion’s ExpressFlash™ Service. Contact a Spansion representative
for details.
Description
Mode
CE# OE# WE#
A19
to
A12
A11
to
A10 A9
A8
to
A7
A6
A3
to
A2 A1 A0
DQ8
to
DQ15
DQ7
to
DQ0
Manufacturer ID: Spansion
L
L
H
X
X
VID
X
L
L
L
L
X
01h
Device ID:
S29AL016D
(Top Boot Block)
Word
L
L
H
X
X
VID
X
L
L
L
H
22h
C4h
Byte
L
L
H
X
C4h
Device ID:
S29AL016D
(Bottom Boot
Block)
Word
L
L
H
X
X
VID
X
L
L
L
H
22h
49h
Byte
L
L
H
X
49h
Sector Protection Verification
L
L
H
SA
X
VID
X
L
L
H
L
X
01h
(protected)
X
00h
(unprotected)


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