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LH28F008SC bảng dữ liệu(PDF) 14 Page - Sharp Corporation

tên linh kiện LH28F008SC
Giải thích chi tiết về linh kiện  8M (1M 횞 8) Flash Memory
PDF  38 Pages
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nhà sản xuất  SHARP [Sharp Corporation]
Trang chủ  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LH28F008SC bảng dữ liệu(HTML) 14 Page - Sharp Corporation

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LH28F008SC
8M (1M × 8) Flash Memory
14
Figure 6. Automated Block Erase Flowchart
START
BUS
OPERATION
COMMAND
COMMENTS
WRITE 20H
BLOCK ADDRESS
READ STATUS
REGISTER
SR.7 =
0
NO
1
YES
SUSPEND BLOCK
ERASE LOOP
1
1
1
1
0
0
0
0
FULL STATUS
CHECK IF DESIRED
BLOCK ERASE
COMPLETED
BLOCK ERASE
SUCCESSFUL
VPP RANGE
ERROR
DEVICE
PROTECT
ERROR
STATUS REGISTER
DATA
(see above)
SUSPEND
BLOCK
ERASE?
SR.3 =
SR.1 =
Write
Write
Read
Erase
Setup
Erase
Confirm
Data = 20H
Addr = Within block to be
erased
Data = D0H
Addr = Within block to be
erased
Status Register Data
Standby
Check SR.7
1 = WSM Ready
0 = WSM Busy
Repeat for subsequent block erasures.
Full status check can be done after each block erase or
after a sequence of block erasures.
Write FFH after the last operation to place
device in read array mode.
BUS
OPERATION
COMMAND
FULL STATUS CHECK PROCEDURE
COMMENTS
Standby
Standby
Standby
Standby
Check SR.3
1 = VPP Low Detect
Check SR.1
1 = Device Protect Detect
RP = VIH Block Lock-Bit is Set
Only required for systems
implemening lock-bit
configuration
Check SR.4, 5
Both 1 = Command Sequence
Error
Check SR.5
1 = Block Erase Error
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register Command in cases where multiple blocks are erased
before full status is checked.
If error is detected, clear the Status Register before attempting
retry or other error recovery.
28F008SC-6
WRITE D0H
BLOCK ADDRESS
SR.4, 5 =
SR.5 =
BLOCK ERASE
ERROR
COMMAND
SEQUENCE
ERROR



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