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16 Mbit LPC Flash
SST49LF160C
Advance Information
Sector-/Block-Erase Command
The Erase Command operates on one sector or block at a
time. This command requires an (arbitrary) address within
the sector or block to be erased. Note that a Sector/Block
Erase operation changes all Sector/Block byte data to FFh.
If a Read operation is performed after issuing the erase
command, the device will automatically output Status Reg-
ister data. The system can poll the Status Register in order
to verify the completion of the Sector/Block Erase operation
(please refer to Table 10, Status Register Definition). If a
Sector/Block Erase is attempted on a locked block, the
operation will fail and the data in the Sector/Block will not be
changed. In this case, the Status Register will report the
error (BPS=1).
Program Command
The Program command operates on one byte at a time
(Refer to Table 5). This command specifies the address
and data to be programmed. During the Program operation
the device automatically outputs the Status Register data
when read. The system can poll the Status Register in
order to verify the completion of the Program operation
(refer to Table 10, “Software Status Register”). If a Program
operation is attempted on a locked block, the operation will
fail and the data in the addressed byte will not be changed.
In this case, the Status Register will report the error
(BPS=1).
Program-/Erase-Suspend or
Program-/Erase-Resume Operations
The Program-Suspend and Erase-Suspend operations
share the same software command sequence (B0H). The
Program-Resume and Erase-Resume operations share
the same software command sequence (D0H). See Table
8, “Software Command Sequence” on page 16.
Erase-Suspend/
Erase-Resume Commands
The Erase Suspend command allows Sector-Erase or
Block-Erase interruption in order to read or program data
in another block of memory. Once the Erase-Suspend
command is executed, the device will suspend any on-
going Erase operation within time T ES (10 μs). The device
outputs status register data when read after the Erase-
Suspend command is written. The system is able to deter-
mine when the Erase operation has been completed
(WSMS=1) by polling the status register. After an Erase-
Suspend, the device will set the status register ESS bit
(ESS=1) if the Erase has been successfully suspended
(refer to Table 10, “Software Status Register”). The Erase-
Resume command resumes the Erase operation that had
been previously suspended.
After a successful Erase-Suspend, a Read-Array com-
mand may be written to read data from a Sector/Block
other than the suspended Sector/Block. A Program com-
mand sequence may also be issued during Erase Sus-
pend to program data in memory locations other than the
Sector/Block currently in the Erase-Suspend mode. If a
Read-Array command is written to an address within the
suspended Sector/Block this may result in reading invalid
data. If a Program command is written to an address within
the suspended Sector/Block the command is acknowl-
edged but rejected. Other valid commands while erase is
suspended include Read-Status-Register, Read-Device-
ID, and Erase-Resume.
The Erase-Resume command resumes the Erase process
in the suspended sector or block. After the Erase-Resume
command is written, the device will continue the Erase pro-
cess. Erase cannot resume until any Program operation ini-
tiated during Erase-Suspend has completed. Suspended
operations cannot be nested: the system needs to com-
plete or resume any previously suspended operation
before a new operation can be suspended. See Figure 6
for flowchart.
?2006 Silicon Storage Technology, Inc.
18
S71315-00-000
4/06
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相关代理商/技术参数
SST49LF160C-33-4C-NHE_ 制造商:Microchip Technology Inc 功能描述:
SST4H-D 功能描述:电缆束带 Cable Tie, 2-Piece, 14.8"L (376mm), Ligh RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-D0 功能描述:电缆束带 14.8" BLK CABLE TIE RELEAS WEATHER RES RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-D30 功能描述:电缆束带 Cable Tie, 2-Piece, 14.8"L (376mm), Ligh RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4HH-D 制造商:Panduit Corp 功能描述:
SST4HH-D30 功能描述:电缆束带 Cable Tie, Heavy Head, 2-Piece, 14.8" (3 RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-L 功能描述:电缆束带 Cable Tie 2-Piece 14.8"L (376mm) Lt RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-L 制造商:Panduit Corp 功能描述:Cable Ties Cable Bundle Diameter Max.:4.