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參數(shù)資料
| 型號(hào)： | 24LC32AMODULE |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 32K I2C Serial EEPROM in ISO Micromodule |
| 中文描述： | 32K的I2C串行EEPROM的在ISO微型模塊 |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大?。?/td> | 474K |
| 代理商： | 24LC32AMODULE |
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24LC32A MODULE
DS21225A-page 6
1997 Microchip Technology Inc.
5.0
DEVICE ADDRESSING
A control byte is the rst byte received following the
start condition from the master device. (See Figure 5-
1) The control byte consists of a four bit control code;
for the 24LC32A this is set as 1010 binary for read and
write operations. The next three bits are device select
bits on standard devices, however, for micromodules,
these must be zeros. The last bit of the control byte
denes the operation to be performed. When set to a
one a read operation is selected, and when set to a
zero a write operation is selected. The next two bytes
received dene the address of the rst data byte (see
Figure 5-2). Because only A11...A0 are used, the
upper four address bits must be zeros. The most signif-
icant bit of the most signicant byte of the address is
transferred rst.
Following the start condition, the 24LC32A monitors
the SDA bus checking the device type identier being
transmitted. Upon receiving a valid control byte, the
slave device outputs an acknowledge signal on the
SDA line. Depending on the state of the R/W bit, the
24LC32A will select a read or write operation
FIGURE 5-1:
CONTROL BYTE FORMAT
FIGURE 5-2:
ADDRESS SEQUENCE BIT ASSIGNMENTS
1
0
1
0
S
ACK
R/W
Control Code
Device Select
Bits
Slave Address
Acknowledge Bit
Start Bit
Read/Write Bit
ADDRESS BYTE 1
CONTROL BYTE
Slave
Address
Device
Select
Bus
ADDRESS BYTE 0
1
0
1
0
R/W
0
A
11
A
10
A
9
A
7
A
0
A
8
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24LC32AT/SM | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LC32AT/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LC32AT-E/MC | 功能描述:電可擦除可編程只讀存儲(chǔ)器 32K 4KX8 2.5V SER EE EXT RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LC32AT-E/MNY | 功能描述:電可擦除可編程只讀存儲(chǔ)器 32K 4K X 8 2.5V SER EE EXT RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LC32AT-E/MS | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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