參數(shù)資料
型號(hào)： M50FLW080BNB5TP
廠商： 意法半導(dǎo)體
英文描述： 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
中文描述： 8兆位（13 × 64KB之座3 × 16 × 4KB的部門），3V電源固件集線器/低引腳數(shù)快閃記憶體
文件頁(yè)數(shù)： 29/64頁(yè)
文件大?。?/td> 341K
代理商： M50FLW080BNB5TP
M50FLW080A, M50FLW080B
Command interface
29/64
4.10
Clear Status Register command
The Clear Status Register command is used to reset Status Register bits SR1, SR3, SR4
and SR5 to ‘0’. One Bus Write is required to issue the command. Once the command is
issued, the device returns to its previous mode, subsequent Bus Read operations continue
to output the data from the same area, as before.
Once set, these Status Register bits remain set. They do
not
automatically return to ‘0’, for
example, when a new program or erase command is issued. If an error has occurred, it is
essential that any error bits in the Status Register are cleared, by issuing the Clear Status
Register command, before attempting a new program or erase command.
4.11
Program/Erase Suspend command
The Program/Erase Suspend command is used to pause the Program/Erase Controller
during a program or Sector/Block Erase operation. One Bus Write cycle is required to issue
the command.
Once the command has been issued, it is necessary to poll the Program/Erase Controller
Status bit until the Program/Erase Controller has paused. No other commands are accepted
until the Program/Erase Controller has paused. After the Program/Erase Controller has
paused, the device continues to output the contents of the Status Register until another
command is issued.
During the polling period, between issuing the Program/Erase Suspend command and the
Program/Erase Controller pausing, it is possible for the operation to complete. Once the
Program/Erase Controller Status bit indicates that the Program/Erase Controller is no longer
active, the Program Suspend Status bit or the Erase Suspend Status bit can be used to
determine if the operation has completed or is suspended.
During Program/Erase Suspend, the Read Memory Array, Read Status Register, Read
Electronic Signature and Program/Erase Resume commands will be accepted by the
Command Interface. Additionally, if the suspended operation was Sector Erase or Block
Erase then the program command will also be accepted. However, it should be noted that
only the Sectors/Blocks not being erased may be read or programmed correctly.
See
Figure 24
, and
Figure 27
, for suggested flowcharts on using the Program/Erase
Suspend command. Typical times and delay durations are given in
Table 18
.
4.12
Program/Erase Resume command
The Program/Erase Resume command can be used to restart the Program/Erase Controller
after a Program/Erase Suspend has paused it. One Bus Write cycle is required to issue the
command. Once the command is issued, subsequent Bus Read operations read the
contents of the Status Register.
相關(guān)PDF資料
PDF描述
M50FLW080AK5P 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080AK5TP 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080AN5P 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080AN5TP 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW080ANB5P 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory
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