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參數(shù)資料
| 型號： | X24F064 |
| 英文描述： | SerialFlash Memory with Block Lock Protection(2線接口，塊鎖定保護,串行快擦寫存儲器) |
| 中文描述： | SerialFlash內(nèi)存區(qū)塊可鎖定的保護（2線接口，塊鎖定保護，串行快擦寫存儲器） |
| 文件頁數(shù)： | 5/20頁 |
| 文件大小： | 155K |
| 代理商： | X24F064 |
X24F064/032/016
5
DEVICE ADDRESSING
Following a start condition the master must output the
address of the slave it is accessing (see Figure 4). The
next two bits are the device select bits. A system could
have up to eight X24F032/016’s on the bus or up to
four 24F064’s on the bus. The device addresses are
defined by the state of the S
some of the slave addresses must be the inverse of
the corresponding input pin.
0
, S
1
, and S
2
inputs. Note
Figure 4. Slave Address
6686 ILL F07.4
S2
A9
A8
R/W
DEVICE
SELECT
S1
A12
HIGH ORDER
SECTOR ADDRESS
A11
A10
X24F064
S2
A9
A8
R/W
DEVICE
SELECT
S1
S0
HIGH ORDER
SECTOR ADDRESS
A11
A10
X24F032
1
A9
A8
R/W
DEVICE
TYPE
IDENTIFIER
S2
S1
HIGH ORDER
SECTOR ADDRESS
S0
A10
X24F016
DEVICE
SELECT
Also included in the slave address is an extension of
the array’s address which is concatenated with the
eight bits of address in the sector address field,
providing direct access to the entire SerialFlash
Memory array.
The last bit of the slave address defines the operation
to be performed. When set HIGH a read operation is
selected, when set LOW a program operation is
selected.
Following the start condition, the X24F064/032/016
monitors the SDA bus comparing the slave address
being transmitted with its slave address device type
identifier. Upon a correct comparison of the device
select inputs, the X24F064/032/016 outputs an
acknowledge on the SDA line. Depending on the state
of the R/W bit, the X24F064/032/016 will execute a
read or program operation.
PROGRAMMING OPERATIONS
The X24F064/032/016 offers a 32-byte sector pro-
gramming operation. For a program operation, the
X24F064/032/016 requires a second address field.
This field contains the address of the first byte in the
sector. Upon receipt of the address, comprised of
eight bits, the X24F064/032/016 responds with an ac-
knowledge and awaits the next eight bits of data,
again responding with an acknowledge. The master
then transmits 31 more bytes. After the receipt of
each byte, the X24F064/032/016 will respond with an
acknowledge.
Figure 5. Sector Programming
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
X24F016/032/064
S
T
A
R
T
SLAVE
ADDRESS
S
S
T
O
P
P
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
SECTOR ADDRESS
DATA n
DATA n+1
DATA n+31
6686 ILL F10.3
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| X24F064P | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
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| X24F064PE | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F064PE-5 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
| X24F064PI | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SerialFlash TM Memory with Block Lock TM Protection |
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