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參數(shù)資料
| 型號： | S29WS256N0LBFI011 |
| 廠商： | Spansion Inc. |
| 英文描述： | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| 中文描述： | 256/128/64兆位的CMOS 1.8伏只有同時讀/寫突發(fā)模式閃存 |
| 文件頁數(shù)： | 31/99頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | S29WS256N0LBFI011 |
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January 25, 2005 S29WS-N_00_G0
35
Ad vance
Information
The following is a C source code example of using the sector erase 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: Sector Erase Command */
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
/* write unlock cycle 1
*/
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
/* write unlock cycle 2
*/
*( (UINT16 *)base_addr + 0x555 ) = 0x0080;
/* write setup command
*/
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
/* write additional unlock cycle 1 */
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
/* write additional unlock cycle 2 */
*( (UINT16 *)sector_address )
= 0x0030;
/* write sector erase command
*/
Software Functions and Sample Code
Table 7.14. Sector Erase
(LLD Function = lld_SectorEraseCmd)
Cycle
Description
Operation
Byte Address
Word Address
Data
1
Unlock
Write
Base + AAAh
Base + 555h
00AAh
2
Unlock
Write
Base + 554h
Base + 2AAh
0055h
3
Setup Command
Write
Base + AAAh
Base + 555h
0080h
4
Unlock
Write
Base + AAAh
Base + 555h
00AAh
5
Unlock
Write
Base + 554h
Base + 2AAh
0055h
6
Sector Erase Command
Write
Sector Address
0030h
Unlimited additional sectors may be selected for erase; command(s) must be written within tSEA.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S29WS256N0LBFI012 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS256N0LBFI013 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:256/128/64 Megabit (16/8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS256N0LBFI110 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS256N0LBFI111 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS256N0LBFI112 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
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