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参数资料
| 型号： | 24AA00T-I/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 7/24页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 128BIT 400KHZ 8TSSOP |
| 产品培训模块： | I2C Serial EEPROM |
| 标准包装： | 2,500 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 128（16 x 8） |
| 速度： | 100kHz，400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
24AA00/24LC00/24C00
7.0
ACKNOWLEDGE POLLING
FIGURE 7-1:
ACKNOWLEDGE
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 re-sent. If the cycle is complete, then the
POLLING FLOW
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
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.
Send Control Byte
with R/W = 0
Did Device
Acknowledge
(ACK = 0 )?
Yes
Next
Operation
No
FIGURE 7-2:
BYTE WRITE
BUS ACTIVITY
MASTER
S
T
A
R
T
Control
Byte
Word
Address
Data
S
T
O
P
SDA LINE
S 1
0
1
0
x x
x
0
x
x
x
x
P
A
A
A
BUS ACTIVITY
C
K
C
K
C
K
x = “don’t care” bit
? 2007 Microchip Technology Inc.
DS21178G-page 7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 24AA00T-OT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:128 Bit I 2 C? Bus Serial EEPROM |
| 24AA00T-P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:128 Bit I 2 C? Bus Serial EEPROM |
| 24AA00T-SN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:128 Bit I 2 C? Bus Serial EEPROM |
| 24AA00T-ST | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:128 Bit I 2 C? Bus Serial EEPROM |
| 24AA01 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K I2C Serial EEPROM |
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