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參數(shù)資料
| 型號： | S70WS512N00BFWAA2 |
| 廠商： | Spansion Inc. |
| 英文描述： | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| 中文描述： | 同硅晶片堆疊多芯片產(chǎn)品（MCP）的512兆位（32兆× 16位）的CMOS 1.8伏，只有同時讀/寫，突發(fā)模式閃存 |
| 文件頁數(shù)： | 48/93頁 |
| 文件大?。?/td> | 846K |
| 代理商： | S70WS512N00BFWAA2 |
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March 14, 2005 S70WS512N00_00_A0
S70WS512N00 Based MCPs
49
A d v a n c e I n f o r m a t i o n
8.9
Hardware Reset
The RESET# input provides a hardware method of resetting the device to reading array data.
When RESET# is driven low for at least a period of t
RP
, the device immediately terminates any
operation in progress, tristates all outputs, resets the configuration register, and ignores all read/
write commands for the duration of the RESET# pulse. The device also resets the internal state
machine to reading array data.
To ensure data integrity the operation that was interrupted should be reinitiated once the device
is ready to accept another command sequence.
When RESET# is held at V
SS
, the device draws CMOS standby current (I
CC4
). If RESET# is held
at V
IL
, but not at V
SS
, the standby current is greater.
RESET# may be tied to the system reset circuitry which enables the system to read the boot-up
firmware from the Flash memory upon a system reset.
See
Figures
12.5
and
12.12
for timing diagrams.
8.10
Software Reset
Software reset is part of the command set (see
Table 13.1
) that also returns the device to array
read mode and must be used for the following conditions:
1.
2.
to exit Autoselect mode
when DQ5 goes high during write status operation that indicates program or erase cycle was
not successfully completed
exit sector lock/unlock operation.
to return to erase-suspend-read mode if the device was previously in Erase Suspend mode.
after any aborted operations
3.
4.
5.
Note:
Base = Base Address.
The following is a C source code example of using the reset function. Refer to the
Spansion
Low Level Driver User’s Guide
(available on www.amd.com and www.fujitsu.com) for general
information on Spansion Flash memory software development guidelines.
/* Example: Reset (software reset of Flash state machine) */
*( (UINT16 *)base_addr + 0x000 ) = 0x00F0;
The following are additional points to consider when using the reset command:
This command resets the banks to the read and address bits are ignored.
Reset commands are ignored once erasure has begun until the operation is complete.
Once programming begins, the device ignores reset commands until the operation is com-
plete
The reset command may be written between the cycles in a program command sequence be-
fore programming begins (prior to the third cycle). This resets the bank to which the system
was writing to the read mode.
Software Functions and Sample Code
Table 8.24 Reset
(LLD Function = lld_ ResetCmd)
Cycle
Operation
Byte Address
Word Address
Data
Reset Command
Write
Base + xxxh
Base + xxxh
00F0h
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S70WS512N00BAWAA2 | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BAWAA3 | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BAWAB0 | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BAWAB2 | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BAWAB3 | Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S70WS512N00BFWAA3 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BFWAB0 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BFWAB2 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70WS512N00BFWAB3 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Same-Die Stacked Multi-Chip Product (MCP) 512 Megabit (32M x 16 bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst-mode Flash Memory |
| S70Y | 功能描述:整流器 1600V 70A Std. Recovery RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
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