lrs1382 Sharp Microelectronics of the Americas, lrs1382 Datasheet - Page 10
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lrs1382
Manufacturer Part Number
lrs1382
Description
Flash Memory
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1382.pdf
(114 pages)
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5. Command Definitions for Flash Memory
5.1 Command Definitions
Notes:
OTP Program
Set Partition Configuration
Register
Read Array
Read Identifier Codes/OTP
Read Query
Read Status Register
Clear Status Register
Block Erase
Full Chip Erase
Program
Page Buffer Program
Block Erase and (Page Buffer)
Program Suspend
Block Erase and (Page Buffer)
Program Resume
Set Block Lock Bit
Clear Block Lock Bit
Set Block Lock-down Bit
1. Bus operations are defined in 3.1 Bus operation.
2. First bus cycle command address should be the same as the second cycle address.
3. ID=Data read from identifier codes. (See 5.2, 5.3 ).
4. Following the Read Identifier Codes/OTP command, read operations access manufacturer code, device code, block lock
5. Block erase, full chip erase or (page buffer) program cannot be executed when the selected block is locked. Unlocked
X=Any valid address within the device.
PA=Address within the selected partition.
IA=Identifier codes address (See 5.2, 5.3).
QA=Query codes address. Refer to the LH28F320BX, LH28F640BX series Appendix for details.
BA=Address within the block being erased, set/cleared block lock bit or set block lock-down bit.
WA=Address of memory location for the Program command or the first address for the Page Buffer Program command.
OA=Address of OTP block to be read or programmed (See 5.4 OTP Block Address Map).
PCRC=Partition configuration register code presented on the address A
QD=Data read from query database. Refer to the LH28F320BX, LH28F640BX series Appendix for details.
SRD=Data read from status register. See 6. Status Register Definition for a description of the status register bits.
WD=Data to be programmed at location WA. Data is latched on the rising edge of F-WE or F-CE (whichever goes high
first).
OD=Data to be programmed at location OA. Data is latched on the rising edge of F-WE or F-CE (whichever goes high
first).
N-1=N is the number of the words to be loaded into a page buffer.
configuration code, partition configuration register code and the data within OTP block (See 5.2, 5.3 ).
The Read Query command is available for reading CFI (Common Flash Interface) information.
block can be erased or programmed when F-RST is V
Command
Cycles
Req’d
Bus
1
2
1
2
2
2
1
1
2
2
2
2
2
2
2
4
(11)
2,3,5,6
2,3,5,7
Notes
2,3,4
2,3,4
2,3,5
2,5,9
2,8,9
2,8,9
2,3,9
2,10
2,3
2,3
2
2
2
2
L R S1 3 8 2
Oper
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
IH
.
(1)
First Bus Cycle
Address
PCRC
WA
WA
OA
BA
BA
BA
BA
PA
PA
PA
PA
PA
PA
PA
X
(2)
0
-A
15
Data
40H or
.
D0H
FFH
E8H
B0H
C0H
90H
98H
30H
10H
70H
50H
20H
60H
60H
60H
60H
(3)
Oper
Write
Write
Write
Write
Write
Write
Write
Write
Write
Read
Read
Read
(1)
Second Bus Cycle
Address
IA or OA ID or OD
PCRC
WA
QA
WA
BA
BA
BA
BA
OA
PA
X
(2)
Data
SRD
D0H
D0H
D0H
01H
2FH
04H
WD
N-1
QD
OD
(3)
8
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