參數(shù)資料
型號(hào)： S25FL001D0FNAI011
廠商： Spansion Inc.
英文描述： 2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
中文描述： 2兆位，1兆閃存的CMOS 3.0伏，25兆赫的SPI總線接口內(nèi)存
文件頁(yè)數(shù)： 24/38頁(yè)
文件大?。?/td> 892K
代理商： S25FL001D0FNAI011
24
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 15. Release from Software Protect (RES) Instruction Sequence
Release from Software Protection and Read Electronic Signature (RES),
and Read ID (READ_ID)
Once the device has entered SP mode, all instructions are ignored except the RES
instruction. The RES instruction can also be used to read the 8-bit Electronic Sig-
nature of the device on the SO pin. The RES instruction always provides access
to the Electronic Signature of the device (except while an Erase, Program or
WRSR cycle is in progress), and can be applied even if SP mode has not been en-
tered. Any RES instruction executed while an Erase, Program or WRSR cycle is in
progress is not decoded, and has no effect on the cycle in progress.
The Read ID (READ_ID) instruction can be used to read, on Serial Data Output
(SO), the 8-bit Electronic Signature of the device.
Except while an Erase, Program or Write Status Register cycle is in progress, the
Read ID (READ_ID) instruction always provides access to the Electronic Signa-
ture of the device, and can be applied even if the Software Protect mode has not
been entered.
Any Read ID (READ_ID) instruction while an Erase, Program or Write Status Reg-
ister cycle is in progress, is not decoded, and has no effect on the cycle that is in
progress.
The device features an 8-bit Electronic Signature, whose value for the S25FL002D
is 11h, S25FL002D is 10h. This can be read using Read ID (READ_ID) instruction.
The device is first selected by driving Chip Select (CS#) Low. The instruction code
is followed by 3 dummy bytes, each bit being latched-in on Serial Data Input (SI)
during the rising edge of Serial Clock (SCK). Then, the 8-bit Electronic Signature,
stored in the memory, is shifted out on Serial Data Output (SO), each bit being
shifted out during the falling edge of Serial Clock (SCK).
The instruction sequence is shown in
Figure 16
.
The Read ID (READ_ID) instruction is terminated by driving Chip Select (CS#)
High after the Electronic Signature has been read at least once. Sending addi-
CS#
SCK
SI
0
1
2
3
4
5
6
7
Instruction
Software Protect Mode
t
RES
Standby Mode
相關(guān)PDF資料
PDF描述
S25FL001D0FNFI003 2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI011 2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI013 2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S25FL001D0FNAI013 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI001 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI003 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI011 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface
S25FL001D0FNFI013 制造商:SPANSION 制造商全稱: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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