參數(shù)資料
型號(hào): SA24C1024LEMW
廠商: Electronic Theatre Controls, Inc.
英文描述: TRANS PNP W/RES 30 HFE SSMINI 3P
中文描述: 1024Kb EEPROM的進(jìn)口證
文件頁數(shù): 19/27頁
文件大小: 680K
代理商: SA24C1024LEMW
SA24C1024 Datasheet
SAIFUN
19
Acknowledge Polling
Once the STOP condition is issued to
indicate the end of the host’s Write
operation, the SA24C1024 initiates the
internal write cycle. ACK polling can be
initiated
immediately,
issuing the START condition followed by
the Slave address for a Write operation.
which
involves
If the SA24C1024 is still busy with the
Write operation, no ACK is returned. If the
SA24C1024 has completed the Write
operation, an ACK is returned and the host
can then proceed with the next Read or
Write operation.
Write Protection
Programming of the memory does not take
place if the SA24C1024's WP pin is pulled
HIGH. The SA24C1024 responds to Slave
and byte addresses but does not generate
an ACK after the first byte of data has been
received. This means that the program
cycle is not started when the STOP
condition is asserted.
1 0 1 0 0 1 0 0
A
1
A
d
d
16
A
C
K
A
C
K
A
C
K
S
T
A
R
T
S
T
O
P
SLAVE
ADDRESS
WORD
ADDRESS
DATA
Bus Activity:
Master
SDA Line
Bus Activity:
EEPROM
Figure 13. Byte Write
1 0 1 0 0 1 0 0
A
1
A
d
d
16
A
C
K
A
C
K
A
C
K
S
T
A
R
T
S
T
O
P
SLAVE
ADDRESS
WORD
ADDRESS (n)
DATA n
Bus Activity:
Master
SDA Line
Bus Activity:
EEPROM
A
C
K
DATA n
+ 1
A
C
K
DATA n
+ 15
Figure 14. Page Write
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