MT28F640J3FS-11ETF 데이터 시트보기 (PDF) - Micron Technology
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MT28F640J3FS-11ETF Datasheet PDF : 52 Pages
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COMMAND DEFINITIONS
When the VPEN voltage is less than VPPLK, only READ
operations from the status register, query, identifier
codes, or blocks are enabled. Placing VPENH on VPEN en-
ables BLOCK ERASE, PROGRAM, and LOCK BIT CON-
128Mb, 64Mb, 32Mb
Q-FLASH MEMORY
FIGURATION operations. Device operations are se-
lected by writing specific commands into the CEL, as
seen in Table 4.
Table 4
Micron Q-Flash Memory Command Set Definitions1
COMMAND
SCALABLE BUS
OR BASIC CYCLES
COMMAND REQ’D
SET2
FIRST BUS CYCLE
OPER3 ADDR4 DATA5, 6
SECOND BUS CYCLE
OPER3 ADDR4 DATA5, 6 NOTES*
READ ARRAY
SCS/BCS
1
WRITE
X
FFh
READ IDENTIFIER
CODES
SCS/BCS
2 WRITE
X
90h READ
IA
ID
7
READ QUERY
SCS
2 WRITE
X
98h READ QA
QD
READ STATUS
REGISTER
SCS/BCS
2
WRITE
X
70h READ
X
SRD
8
CLEAR STATUS
REGISTER
SCS/BCS
1
WRITE
X
50h
WRITE TO BUFFER
SCS/BCS
> 2 WRITE BA
E8h WRITE BA
N 9, 10, 11
WORD/BYTE
PROGRAM
SCS/BCS
2
WRITE
X
40h WRITE PA
or
10h
PD 12, 13
BLOCK ERASE
SCS/BCS
2
WRITE BA
20h WRITE BA
D0h 11, 12
BLOCK ERASE,
SCS/BCS
1
WRITE
X
B0h
PROGRAM SUSPEND
12, 14
BLOCK ERASE,
SCS/BCS
1
WRITE
X
D0h
12
PROGRAM RESUME
CONFIGURATION
SCS
2
WRITE
X
B8h WRITE
X
CC
SET BLOCK LOCK BITS
SCS
2
WRITE
X
60h WRITE BA
01h
CLEAR BLOCK
LOCK BITS
SCS
2
WRITE
X
60h WRITE
X
D0h
15
PROTECTION
PROGRAM
2
WRITE
X
C0h WRITE PA
PD
*Notes appear on the next page.
128Mb, 64Mb, 32Mb Q-Flash Memory
MT28F640J3_7.p65 – Rev. 6, Pub. 8/02
11
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
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