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DS617 参数 Datasheet PDF下载

DS617图片预览
型号: DS617
PDF下载: 下载PDF文件 查看货源
内容描述: 平台的Flash XL高密度配置和存储设备 [Platform Flash XL High-Density Configuration and Storage Device]
分类和应用: 存储
文件页数/大小: 88 页 / 2352 K
品牌: XILINX [ XILINX, INC ]
 浏览型号DS617的Datasheet PDF文件第70页浏览型号DS617的Datasheet PDF文件第71页浏览型号DS617的Datasheet PDF文件第72页浏览型号DS617的Datasheet PDF文件第73页浏览型号DS617的Datasheet PDF文件第75页浏览型号DS617的Datasheet PDF文件第76页浏览型号DS617的Datasheet PDF文件第77页浏览型号DS617的Datasheet PDF文件第78页  
R
Platform Flash XL High-Density Configuration and Storage Device  
X-Ref Target - Figure 42  
Start  
erase_suspend_command  
( )  
{
Write B0h  
writeToFlash (bank_address, 0xB0) ;  
writeToFlash (bank_address, 0x70) ;  
/* read status register to check if  
erase has already completed */  
Write 70h  
do {  
Read Status  
Register  
status_register=readFlash (bank_address) ;  
/* E or G must be toggled*/  
NO  
NO  
}
while (status_register.SR7== 0) ;  
SR7 = 1  
YES  
if (status_register.SR6==0) /*erase completed */  
SR6 = 1  
YES  
Erase Complete  
{
writeToFlash (bank_address, 0xFF)  
;
read_data ( ) ;  
/*read data from another block*/  
/*The device returns to Read Array  
Write FFh  
(as if program/erase suspend was not issued).*/  
Read data from another block,  
Program,  
Set Configuration Register or  
Block Protect/Unprotect/Lock  
}
}
else  
{
writeToFlash (bank_address, 0xFF)  
read_program_data ( );  
;
Write D0h  
Write FFh  
/*read or program data from another address*/  
writeToFlash (bank_address, 0xD0) ;  
/*write 0xD0 to resume erase*/  
}
Read Data  
Erase Continues  
DS617_36_101608  
Notes:  
1. The Read Status Register command (Write 70h) can be issued just before or just after the Erase Resume command.  
2. To read the memory in Asynchronous mode, the CR15 Configuration Register bit must be written to 1.  
Figure 42: Erase Suspend & Resume Flowchart and Pseudocode  
DS617 (v3.0.1) January 07, 2010  
www.xilinx.com  
Product Specification  
74  
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