參數(shù)資料
型號(hào): S29GL064A10BAIW12
廠商: SPANSION LLC
元件分類: PROM
英文描述: 4M X 16 FLASH 3V PROM, 100 ns, PBGA64
封裝: FBGA-64
文件頁數(shù): 14/97頁
文件大?。?/td> 3490K
代理商: S29GL064A10BAIW12
January 11, 2006 S29GL-A_00_A5
S29GL-A MirrorBit Flash Family
19
Pr el im i n a r y
Device Bus Operations
This section describes the requirements and use of the device bus operations,
which are initiated through the internal command register. The command regis-
ter itself does not occupy any addressable memory location. The register is a
latch used to store the commands, along with the address and data information
needed to execute the command. The contents of the register serve as inputs to
the internal state machine. The state machine outputs dictate the function of the
device. Table 4 lists the device bus operations, the inputs and control levels they
require, and the resulting output. The following subsections describe each of
these operations in further detail.
Legend: L = Logic Low = VIL, H = Logic High = VIH, VID = 11.5–12.5 V, VHH = 11.5–12.5 V, X = Don’t Care,
SA = Sector Address, AIN = Address In, DIN = Data In, DOUT = Data Out
Notes:
1. Addresses are Amax:A0 in word mode; Amax:A-1 in byte mode. Sector addresses are Amax:A15 in both modes.
2. The sector protect and sector unprotect functions may also be implemented via programming equipment. See the “Sector Group Protection
and Unprotection” section.
3. If WP# = VIL, the first or last sector remains protected (for uniform sector devices), and the two outer boot sectors are protected (for boot
sector devices). If WP# = VIH, the first or last sector, or the two outer boot sectors are protected or unprotected as determined by the
method described in Sector Group Protection and Unprotection on page 38. All sectors are unprotected when shipped from the factory (The
Secured Silicon Sector may be factory protected depending on version ordered.)
4. DIN or DOUT as required by command sequence, data polling, or sector protect algorithm (see Figure 7, on page 64).
Table 4. Device Bus Operations
Operation
CE#
OE# WE# RESET#
WP#
ACC
Addresses
DQ0–
DQ7
DQ8–DQ15
BYTE#
= VIH
BYTE#
= VIL
Read
L
H
X
AIN
DOUT
DQ8–DQ14
= High-Z,
DQ15 = A-1
Write (Program/Erase)
L
H
L
H
AIN
Accelerated Program
L
H
L
H
AIN
Standby
VCC ± 0.3 V
X
VCC ±
0.3 V
X
H
X
High-Z
Output Disable
L
H
X
High-Z
Reset
X
L
X
High-Z
Sector Group Protect
(Note 2)
LH
L
VID
HX
SA, A6 =L,
A3=L, A2=L,
A1=H, A0=L
X
Sector Group Unprotect
LH
L
VID
HX
SA, A6=H,
A3=L, A2=L,
A1=H, A0=L
X
Temporary Sector Group Unprotect
X
VID
HX
AIN
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