參數資料
型號: 24AA512T-EOT
廠商: Microchip Technology Inc.
英文描述: I2C⑩ Serial EEPROM Family Data Sheet
中文描述: ⑩的I2C串行EEPROM系列數據手冊
文件頁數: 18/42頁
文件大?。?/td> 540K
代理商: 24AA512T-EOT
24AAXX/24LCXX/24FCXX
DS21930B-page 18
2007 Microchip Technology Inc.
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge commands
during a write cycle, this can be used to determine
when the cycle is complete (This feature can be used
to maximize bus throughput). Once the Stop condition
for a Write command has been issued from the master,
the device initiates the internally timed write cycle. ACK
polling can be initiated immediately. This involves the
master sending a Start condition, followed by the con-
trol byte for a Write command (R/W =
0
). If the device
is still busy with the write cycle, then no ACK will be
returned. If no ACK is returned, the Start bit and control
byte must be re-sent. If the cycle is complete, then the
device will return the ACK and the master can then pro-
ceed with the next Read or Write command. See
Figure 7-1 for flow diagram.
FIGURE 7-1:
ACKNOWLEDGE
POLLING FLOW
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
Send Control Byte
with R/W =
0
Did Device
Acknowledge
(ACK =
0
)
Next
Operation
No
Yes
相關PDF資料
PDF描述
24AA512T-EP I2C⑩ Serial EEPROM Family Data Sheet
24AA512T-ESM I2C⑩ Serial EEPROM Family Data Sheet
24AA512T-ESN I2C⑩ Serial EEPROM Family Data Sheet
24AA512T-EST I2C⑩ Serial EEPROM Family Data Sheet
24LC512-EMC I2C⑩ Serial EEPROM Family Data Sheet
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