參數(shù)資料
型號(hào)： 24AA1025
廠商： Microchip Technology Inc.
英文描述： 1024K I2C⑩ CMOS Serial EEPROM
中文描述： 1024K的I2C⑩的CMOS串行EEPROM
文件頁(yè)數(shù)： 10/22頁(yè)
文件大小： 267K
代理商： 24AA1025
24AA1025/24LC1025/24FC1025
DS21941E-page 10
Preliminary
2007 Microchip Technology Inc.
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge 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 control 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, then the Start bit and control byte
must be resent. If the cycle is complete, then the device
will return the ACK and the master can then proceed
with the next Read or Write command. See Figure 7-1
for flow diagram.
FIGURE 7-1:
ACKNOWLEDGE
POLLING FLOW
Note:
Care must be taken when polling the
24XX1025. The control byte that was used
to initiate the write needs to match the
control byte used for polling.
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(guān)PDF資料
PDF描述
24AA128T-ESN I2C⑩ Serial EEPROM Family Data Sheet
24AA128-EMC I2C⑩ Serial EEPROM Family Data Sheet
24AA128-EMF I2C⑩ Serial EEPROM Family Data Sheet
24AA128-EMS I2C⑩ Serial EEPROM Family Data Sheet
24AA128-EOT I2C⑩ Serial EEPROM Family Data Sheet
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
24AA1025_08 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1024K I2C? CMOS Serial EEPROM
24AA1025_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1024K I2C? CMOS Serial EEPROM
24AA1025_12 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1024K I2Ca?￠ Serial EEPROM
24AA1025-E/P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1024K I2C? CMOS Serial EEPROM
24AA1025-E/SM 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1024K I2C? CMOS Serial EEPROM
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