LH28F800BGE-BL85 Sharp Electronics, LH28F800BGE-BL85 Datasheet - Page 17
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LH28F800BGE-BL85
Manufacturer Part Number
LH28F800BGE-BL85
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F800BGE-BL85.pdf
(43 pages)
Specifications of LH28F800BGE-BL85
Cell Type
NOR
Density
8Mb
Interface Type
Parallel
Boot Type
Bottom
Address Bus
19b
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
0C to 70C
Package Type
TSOP-I
Program/erase Volt (typ)
2.7/3.3/5/12V
Sync/async
Asynchronous
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
2.7/4.5V
Operating Supply Voltage (max)
3.6/5.5V
Word Size
16b
Number Of Words
512K
Supply Current
65mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / Rohs Status
Not Compliant
FULL STATUS CHECK PROCEDURE
Read Status Register
Write 40H or 10H,
Data and Address
Data (See Above)
Check if Desired
Status Register
Write Word
Word Write
Word Write
Successful
Full Status
Complete
Address
SR.7 =
SR.3 =
SR.1 =
SR.4 =
Read
Start
0
0
0
1
0
1
1
1
Word Write
No
Device Protect Error
Suspend
V
Word Write Error
PP
Fig. 4 Automated Word Write Flowchart
Range Error
Suspend Word
Write Loop
Yes
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OPERATION
OPERATION COMMAND
Write
Write
Read
Standby
Standby
Standby
Standby
Repeat for subsequent word writes.
SR full status check can be done after each word write or after
a sequence of word writes.
Write FFH after the last word write operation to place device
in read array mode.
SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register command in cases where multiple locations are
written before full status is checked.
If error is detected, clear the status register before attempting
retry or other error recovery.
BUS
BUS
LH28F800BG-L/BGH-L (FOR TSOP, CSP)
COMMAND
Word Write
Word Write
Setup
Check SR.3
1 = V
Check SR.4
1 = Data Write Error
Data = 40H or 10H
Addr = Location to be Written
Data = Data to be Written
Addr = Location to be Written
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Check SR.1
1 = Device Protect Detect
PP
Error Detect
COMMENTS
COMMENTS