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參數(shù)資料
| 型號： | 24LC32AISM |
| 英文描述： | I2C Serial EEPROM |
| 中文描述： | I2C串行EEPROM的 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 186K |
| 代理商： | 24LC32AISM |
24LC32A
DS21144D-page 8
1999 Microchip Technology Inc.
6.4
Sequential Read
Sequential reads are initiated in the same way as a ran-
dom read except that after the 24LC32A transmits the
first data byte, the master issues an acknowledge as
opposed to the stop condition used in a random read.
This acknowledge directs the 24LC32A to transmit the
next sequentially addressed 8-bit word (Figure 6-3).
Following the final byte transmitted to the master, the
master will NOT generate an acknowledge but will gen-
erate a stop condition.
To provide sequential reads the 24LC32A contains an
internal address pointer which is incremented by one at
the completion of each operation. This address pointer
allows the entire memory contents to be serially read
during one operation. The internal address pointer will
automatically roll over from address 0FFF to address
000 if the master acknowledges the byte received from
the array address 0FFF.
FIGURE 6-1:
CURRENT ADDRESS READ
FIGURE 6-2:
RANDOM READ
FIGURE 6-3:
SEQUENTIAL READ
SP
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
CONTROL BYTE
DATA BYTE
S
T
O
P
A
C
K
N
O
A
C
K
0000
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
CONTROL
S
T
O
P
A
C
K
N
O
A
C
K
BYTE
ADDRESS
HIGH BYTE
ADDRESS
LOW BYTE
CONTROL
BYTE
DATA
BYTE
A
C
K
A
C
K
A
C
K
S
T
A
R
T
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
CONTROL
BYTE
A
C
K
N
O
A
C
K
A
C
K
A
C
K
A
C
K
DATA n
DATA n + 1
DATA n + 2
DATA n + x
S
T
O
P
This Material Copyrighted by Its Respective Manufacturer
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| 24LC32AT/SM | 功能描述:電可擦除可編程只讀存儲器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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器 32K 4KX8 2.5V SER EE EXT RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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器 32K 4K X 8 2.5V SER EE EXT RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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器 4kx8 - 5V - 2.5V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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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