參數(shù)資料
型號(hào)： M50FLW040AK5TP
廠商： 意法半導(dǎo)體
英文描述： 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
中文描述： 4兆位（5】64字節(jié)塊3】16】4 Kbyte的）3 - V電源供電固件集線器/低引腳數(shù)的閃存
文件頁(yè)數(shù)： 33/64頁(yè)
文件大?。?/td> 338K
代理商： M50FLW040AK5TP
M50FLW040A, M50FLW040B
Status Register
33/64
5.3
Erase status (Bit SR5)
This bit indicates if a problem has occurred during the erasing of a Sector or Block. The
Erase Status bit should be read once the Program/Erase Controller Status bit is ‘1’
(Program/Erase Controller inactive).
When the Erase Status bit is ‘0’, the memory has successfully verified that the Sector/Block
has been erased correctly. When the Erase Status bit is ‘1’, the Program/Erase Controller
has applied the maximum number of pulses to the Sector/Block and still failed to verify that
the Sector/Block has been erased correctly.
Once the Erase Status bit is set to ‘1’, it can only be reset to ‘0’ by a Clear Status Register
command, or by a hardware reset. If it is set to ‘1’, it should be reset before a new Program
or Erase command is issued, otherwise the new command will appear to have failed, too.
5.3.1
Program status (Bit SR4)
This bit indicates if a problem has occurred during the programming of a byte. The Program
Status bit should be read once the Program/Erase Controller Status bit is ‘1’
(Program/Erase Controller inactive).
When the Program Status bit is ‘0’, the memory has successfully verified that the byte has
been programmed correctly. When the Program Status bit is ‘1’, the Program/Erase
Controller has applied the maximum number of pulses to the byte and still failed to verify
that the byte has been programmed correctly.
Once the Program Status bit is set to ‘1’, it can only be reset to ‘0’ by a Clear Status Register
command, or by a hardware reset. If it is set to ‘1’, it should be reset before a new Program
or Erase command is issued, otherwise the new command will appear to have failed, too.
5.3.2
V
PP
status (Bit SR3)
This bit indicates whether an invalid voltage was detected on the V
PP
pin at the beginning of
a Program or Erase operation. The V
PP
pin is only sampled at the beginning of the
operation. Indeterminate results can occur if V
PP
becomes invalid during a Program or
Erase operation.
Once the V
PP
Status bit set to ‘1’, it can only be reset to ‘0’ by a Clear Status Register
command, or by a hardware reset. If it is set to ‘1’, it should be reset before a new Program
or Erase command is issued, otherwise the new command will appear to have failed, too.
5.3.3
Program Suspend status (Bit SR2)
This bit indicates that a Program operation has been suspended, and that it is waiting to be
resumed. The Program Suspend Status should only be considered valid when the
Program/Erase Controller Status bit is ‘1’ (Program/Erase Controller inactive). After a
Program/Erase Suspend command is issued, the memory may still complete the operation
instead of entering the Suspend mode.
When the Program Suspend Status bit is ‘0’, the Program/Erase Controller is active, or has
completed its operation. When the bit is ‘1’, a Program/Erase Suspend command has been
issued and the memory is waiting for a Program/Erase Resume command.
When a Program/Erase Resume command is issued, the Program Suspend Status bit
returns to ‘0’.
相關(guān)PDF資料
PDF描述
M50FLW040AN5G 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW080BK5P 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080BK5TP 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080BN5P 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080BN5TP 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M50FLW040AN1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AN1G 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AN1P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AN1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AN1TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
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