參數(shù)資料
型號(hào)： S25FL002D0FMFI011
廠商： SPANSION LLC
元件分類(lèi)： DRAM
英文描述： 2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
中文描述： 2M X 1 SPI BUS SERIAL EEPROM, PDSO8
封裝： 0.208 INCH, LEAD FREE, PLASTIC, SO-8
文件頁(yè)數(shù)： 22/38頁(yè)
文件大小： 892K
代理商： S25FL002D0FMFI011
22
S25FL Family (Serial Peripheral Interface)
30167A+1 June 9, 2004
P r e l i m i n a r y I n f o r m a t i o n
Figure 13. Bulk Erase (BE) Instruction Sequence
Software Protect (SP)
The Software Protect (SP) instruction implemented in this device is compatible
with industry-standard Software Protect (SP) operation. For this device, this in-
struction has no real function since the Standby Current (I
SB
) on this device is
the same as the Deep Power-down Current in our competitor's devices.
It is recommended that the standard Standby mode be used for the lowest power
current draw, as well as the Software Protect (SP) as an extra software protection
mechanism when this device is not in active use. In this mode, the device ignores
all Write, Program and Erase instructions. Chip Select (CS#) must be driven Low
for the entire duration of the sequence.
The Software Protect (SP) instruction is entered by driving Chip Select (CS#)
Low, followed by the instruction code on Serial Data Input (SI). Chip Select (CS#)
must be driven Low for the entire duration of the sequence.
The instruction sequence is shown in
Figure 14
.
Driving Chip Select (CS#) High after the eighth bit of the instruction code has
been latched in deselects the device, and puts the device in the Standby mode (if
there is no internal cycle currently in progress). As soon as Chip Select (CS#) is
driven high, it requires a delay of t
SP
currently in progress before Software Pro-
tect mode is entered.
Once the device has entered the Software Protect mode, all instructions are ig-
nored except the Release from Software Protect (RES) or Read ID (READ_ID)
instruction. The Release from Software Protect and Read Electronic Signature
(RES) instruction also allows the Electronic Signature of the device to be output
on Serial Data Output (SO).
The Software Protect mode automatically stops at Power-down, and the device
always Powers-up in the Standby mode.
0
1
2
4
5
6
7
Instruction
CS#
SCK
SI
3
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S25FL002D0FMFI013 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL002D0FNAI001 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL002D0FNAI003 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL002D0FNAI011 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL002D0FNAI013 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
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