欢迎访问ic37.com |
会员登录 免费注册
发布采购

E28F200CVT80 参数 Datasheet PDF下载

E28F200CVT80图片预览
型号: E28F200CVT80
PDF下载: 下载PDF文件 查看货源
内容描述: 2兆位SmartVoltage引导块闪存系列 [2-MBIT SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY]
分类和应用: 闪存
文件页数/大小: 55 页 / 633 K
品牌: INTEL [ INTEL ]
 浏览型号E28F200CVT80的Datasheet PDF文件第20页浏览型号E28F200CVT80的Datasheet PDF文件第21页浏览型号E28F200CVT80的Datasheet PDF文件第22页浏览型号E28F200CVT80的Datasheet PDF文件第23页浏览型号E28F200CVT80的Datasheet PDF文件第25页浏览型号E28F200CVT80的Datasheet PDF文件第26页浏览型号E28F200CVT80的Datasheet PDF文件第27页浏览型号E28F200CVT80的Datasheet PDF文件第28页  
2-MBIT SmartVoltage BOOT BLOCK FAMILY  
E
Start  
Bus  
Comments  
Command  
Operation  
Data = 20H  
Addr = Within Block to Be Erased  
Write 20H,  
Block Address  
Write  
Erase Setup  
Erase  
Confirm  
Data = D0H  
Addr = Within Block to Be Erased  
Write  
Read  
Write D0H and  
Block Address  
Status Register Data Toggle CE#  
or OE# to Update Status Register  
Read Status  
Register  
Check SR.7  
1 = WSM Ready  
0 = WSM Busy  
Suspend Erase  
Loop  
Standby  
NO  
0
YES  
Suspend  
Erase  
SR.7 =  
1
Repeat for subsequent block erasures.  
Full Status Check can be done after each block erase, or after a  
sequence of block erasures.  
Write FFH after the last operation to reset device to read array mode.  
Full Status  
Check if Desired  
Block Erase  
Complete  
FULL STATUS CHECK PROCEDURE  
Bus  
Operation  
Read Status Register  
Data (See Above)  
Command  
Comments  
Check SR.3  
1 = VPP Low Detect  
Standby  
1
SR.3 =  
0
VPP Range Error  
Check SR.4,5  
Both 1 = Command Sequence Error  
Standby  
Standby  
1
1
Command Sequence  
Error  
Check SR.5  
1 = Block Erase Error  
SR.4,5 =  
0
SR.3 MUST be cleared, if set during an erase attempt, before further  
attempts are allowed by the Write State Machine.  
Block Erase Error  
SR.5 =  
0
SR.5 is only cleared by the Clear Status Register Command, in  
cases where multiple blocks are erase before full status is checked.  
If error is detected, clear the Status Register before attempting  
retry or other error recovery.  
Block Erase Successful  
0530_10  
Figure 10. Automated Block Erase Flowchart  
24  
SEE NEW DESIGN RECOMMENDATIONS  
 复制成功!