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M58BW016FB 参数 Datasheet PDF下载

M58BW016FB图片预览
型号: M58BW016FB
PDF下载: 下载PDF文件 查看货源
内容描述: 16兆位( 512千位×32 ,引导块,爆) [16 Mbit (512 Kbit x 32, boot block, burst)]
分类和应用:
文件页数/大小: 70 页 / 1283 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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M58BW016DT, M58BW016DB, M58BW016FT, M58BW016FB  
Status register  
5.3  
Erase status (bit 5)  
The erase status bit can be used to identify if the memory has failed to verify that the block  
has erased correctly. The erase status bit should be read once the program/erase controller  
status bit is High (program/erase controller inactive).  
When the erase status bit is set to ‘0’, the memory has successfully verified that the block  
has erased correctly. When the erase status bit is set to ‘1’, the program/erase controller has  
applied the maximum number of pulses to the block and still failed to verify that the block  
has erased correctly.  
Once set to ‘1’, the erase status bit can only be reset to ‘0’ by a Clear Status Register  
command or a hardware reset. If set to ‘1’ it should be reset before a new Program or Erase  
command is issued, otherwise the new command will appear to fail.  
5.4  
Program status (bit 4)  
The program status bit is used to identify a program failure. Bit4 should be read once the  
program/erase controller status bit is High (program/erase controller inactive).  
When bit4 is set to ‘0’ the memory has successfully verified that the device has programmed  
correctly. When bit4 is set to ‘1’ the device has failed to verify that the data has been  
programmed correctly.  
Once set to 1’, the program status bit can only be reset to ‘0’ by a Clear Status Register  
command or a hardware reset. If set to ‘1’ it should be reset before a new Program or Erase  
command is issued, otherwise the new command will appear to fail.  
5.5  
VPP status (bit 3)  
The VPP status bit can be used to identify an invalid voltage on the VPP pin during fast  
program and erase operations. The VPP pin is only sampled at the beginning of a program  
or erase operation. Indeterminate results can occur if VPP becomes invalid during a fast  
program or erase operation.  
When the VPP status bit is set to ‘0’, the voltage on the VPP pin was sampled at a valid  
voltage; when the VPP status bit is set to ‘1’, the VPP pin has a voltage that is below the VPP  
lockout voltage, VPPLK  
.
Once set to ‘1’, the VPP status bit can only be reset to ‘0’ by a Clear Status Register  
command or a hardware reset. If set to ‘1’ it should be reset before a new Program or Erase  
command is issued, otherwise the new command will appear to fail.  
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