參數(shù)資料
型號(hào)： GE28F640W30TD70
廠商： INTEL CORP
元件分類： PROM
英文描述： 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA56
封裝： 0.75 MM PITCH, VFBGA-56
文件頁數(shù)： 56/104頁
文件大?。?/td> 1443K
代理商： GE28F640W30TD70
28F640W30, 28F320W30, 28F128W30
Datasheet
Intel Wireless Flash Memory (W30)
June 2005
Order Number: 290702, Revision: 011
55
Table 19.
Bus Cycle Definitions
Operation
Command
Bus
Cycles
First Bus Cycle
Second Bus Cycle
Oper
Addr1
Data2,3
Oper
Addr1
Data2,3
Read
Read Array/Reset
> 1Write
PnA
FFh
Read
Address
Array
Data
Read Identifier
> 2
Write
PnA
90h
Read
PBA+IA
IC
Read Query
> 2
Write
PnA
98h
Read
PBA+QA
QD
Read Status Register
2
Write
PnA
70h
Read
PnA
SRD
Clear Status Register
1
Write
XX
50h
Program
and
Erase
Block Erase
2
Write
BA
20h
Write
BA
D0h
Word Program
2
Write
WA
40h/10h
Write
WA
WD
EFP
>2
Write
WA
30h
Write
WA
D0h
Program/Erase Suspend
1
Write
XX
B0h
Program/Erase Resume
1
Write
XX
D0h
Lock
Lock Block
2
Write
BA
60h
Write
BA
01h
Unlock Block
2
Write
BA
60h
Write
BA
D0h
Lock-Down Block
2
Write
BA
60h
Write
BA
2Fh
Protection
Protection Program
2
Write
PA
C0h
Write
PA
PD
Lock Protection Program
2
Write
LPA
C0h
Write
LPA
FFFDh
Configuration
Set Configuration
Register
2
Write
CD
60h
Write
CD
03h
Notes:
1.
First-cycle command addresses must be the same as the target address of the operation. Examples:
—The first-cycle address for the Read Identifier command must be the same as the Identification code address (IA).
—The first-cycle address for the Word Program command must be the same as the word address (WA) to be
programmed.
—The first-cycle address for the Erase/Program Suspend command must be the same as the address within the block
to be suspended.
XX
= Any valid address within the flash device.
IA
= Identification code address.
BA
= Block Address. Any address within a specific block.
LPA
= The Lock Protection Address is obtained from the CFI (through the Read Query command). The W30 flash
memory device family LPA is at 0080h.
PA
= User programmable 4-word protection address.
PnA
= Any address within a specific partition.
PBA
= Partition Base Address. The first address of a particular partition.
QA
= Query code address.
WA
= Word address of memory location to be written.
2.
SRD
= Status register data.
WD
= Data to be written at location WA.
IC
= Identifier code data.
PD
= User programmable 4-word protection data.
QD
= Query code data on D[7:0].
CD
= Configuration register code data presented on flash device addresses A[15:0]. A[MAX:16] address bits can
register bits descriptions.
3.
Do not use commands other than those shown above. Other commands are reserved by Intel for future flash device
implementations.
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