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AM29LV640MH112RPCI 参数 Datasheet PDF下载

AM29LV640MH112RPCI图片预览
型号: AM29LV640MH112RPCI
PDF下载: 下载PDF文件 查看货源
内容描述: 64兆位(4M ×16位/ 8的M× 8位)的MirrorBit 3.0伏特,只有统一部门快闪记忆体与VersatileI / O控制 [64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O Control]
分类和应用: 闪存内存集成电路
文件页数/大小: 62 页 / 1108 K
品牌: SPANSION [ SPANSION ]
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D A T A S H E E T  
START  
Write Program  
Command Sequence  
Data Poll  
from System  
Embedded  
Program  
algorithm  
in progress  
Verify Data?  
Yes  
No  
No  
Increment Address  
Last Address?  
Yes  
Programming  
Completed  
Note: See Table 11 for program command sequence.  
Figure 5. Program Operation  
autoselect, and CFI functions are unavailable when an  
program operation is in progress.  
Program Suspend/Program Resume  
Command Sequence  
The system may also write the autoselect command  
sequence when the device is in the Program Suspend  
mode. The system can read as many autoselect  
codes as required. When the device exits the autose-  
lect mode, the device reverts to the Program Suspend  
mode, and is ready for another valid operation. See  
Autoselect Command Sequence for more information.  
The Program Suspend command allows the system to  
interrupt a programming operation or a Write to Buffer  
programming operation so that data can be read from  
any non-suspended sector. When the Program Sus-  
pend command is written during a programming pro-  
cess, the device halts the program operation within 15  
μs maximum (5 μs typical) and updates the status bits.  
Addresses are not required when writing the Program  
Suspend command.  
After the Program Resume command is written, the  
device reverts to programming. The system can de-  
termine the status of the program operation using the  
DQ7 or DQ6 status bits, just as in the standard pro-  
gram operation. See Write Operation Status for more  
information.  
After the programming operation has been sus-  
pended, the system can read array data from any  
non-suspended sector. The Program Suspend com-  
mand may also be issued during a programming oper-  
ation while an erase is suspended. In this case, data  
may be read from any addresses not in Erase Sus-  
pend or Program Suspend. If a read is needed from  
the SecSi Sector area (One-time Program area), then  
user must use the proper command sequences to  
enter and exit this region. Note that the SecSi Sector,  
The system must write the Program Resume com-  
mand (address bits are don’t care) to exit the Program  
Suspend mode and continue the programming opera-  
tion. Further writes of the Resume command are ig-  
nored. Another Program Suspend command can be  
written after the device has resume programming.  
December 14, 2005  
Am29LV640MH/L  
29