參數(shù)資料
型號: X24164S8-3
英文描述: Serial E2PROM
中文描述: 串行E2PROM
文件頁數(shù): 4/14頁
文件大?。?/td> 60K
代理商: X24164S8-3
X24164
4
Stop Condition
All communications must be terminated by a stop con-
dition, which is a LOW to HIGH transition of SDA when
SCL is HIGH. The stop condition is also used to place
the device into the standby power mode after a read
sequence. A stop condition can only be issued after the
transmitting device has released the bus.
Acknowledge
Acknowledge is a software convention used to indicate
successful data transfer. The transmitting device, either
master or slave, will release the bus after transmitting
eight bits. During the ninth clock cycle the receiver will
pull the SDA line LOW to acknowledge that it received
the eight bits of data. Refer to Figure 3.
The X24164 will respond with an acknowledge after
recognition of a start condition and its slave address. If
both the device and a write operation have been se-
lected, the X24164 will respond with an acknowledge
after the receipt of each subsequent eight bit word.
In the read mode the X24164 will transmit eight bits of
data, release the SDA line and monitor the line for an
acknowledge. If an acknowledge is detected and no
stop condition is generated by the master, the X24164
will continue to transmit data. If an acknowledge is not
detected, the X24164 will terminate further data trans-
missions. The master must then issue a stop condition
to return the X24164 to the standby power mode and
place the device into a known state.
Figure 3. Acknowledge Response From Receiver
3846 FHD F09
SCL FROM
MASTER
DATA
OUTPUT
FROM
TRANSMITTER
1
8
9
DATA
OUTPUT
FROM
RECEIVER
START
ACKNOWLEDGE
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