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參數(shù)資料
| 型號(hào)： | 24LC08B-MT |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 8K/16K I 2 C ⑩ Serial EEPROMs in ISO Micromodules |
| 中文描述： | 8K/16K的I 2 C⑩在ISO微型模塊串行EEPROM |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 453K |
| 代理商： | 24LC08B-MT |
24LC08B/16B MODULES
DS21224A-page 6
1997 Microchip Technology Inc.
6.0
WRITE OPERATIONS
6.1
Byte Write
Following the start condition from the master, the
device code (4 bits), the block address (3 bits), and the
R/W bit which is a logic low is placed onto the bus by
the master transmitter. This indicates to the addressed
slave receiver that a byte with a word address will follow
after it has generated an acknowledge bit during the
ninth clock cycle. Therefore the next byte transmitted by
the master is the word address and will be written into
the address pointer of the 24LC08B/16B. After receiv-
ing another acknowledge signal from the 24LC08B/16B
the master device will transmit the data word to be writ-
ten into the addressed memory location. The 24LC08B/
16B acknowledges again and the master generates a
stop condition. This initiates the internal write cycle,
and during this time the 24LC08B/16B will not generate
acknowledge signals (Figure 6-1).
6.2
Page Write
The write control byte, word address and the first data
byte are transmitted to the 24LC08B/16B in the same
way as in a byte write. But instead of generating a stop
condition the master transmits up to 16 data bytes to
the 24LC08B/16B which are temporarily stored in the
on-chip page buffer and will be written into the memory
after the master has transmitted a stop condition. After
the receipt of each word, the four lower order address
pointer bits are internally incremented by one. The
higher order seven bits of the word address remains
constant. If the master should transmit more than 16
words prior to generating the stop condition, the
address counter will roll over and the previously
received data will be overwritten. As with the byte write
operation, once the stop condition is received an inter-
nal write cycle will begin (Figure 6-2).
FIGURE 6-1:
BYTE WRITE
S
T
A
R
T
FIGURE 6-2:
PAGE WRITE
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
O
P
CONTROL
BYTE
WORD
ADDRESS
DATA
A
C
K
A
C
K
A
C
K
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
CONTROL
BYTE
WORD
ADDRESS (n)
DATA n
DATA n + 15
S
T
O
P
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
DATA n + 1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 24LC08B Module | 8K/16K IIC Sserial EEPROMs in ISO micromoduls(8K位,1M次擦寫周期,ISO模塊) |
| 24LC16B Module | 16K IIC Serial EEPROMs in ISO micromoduls(16K位,1M次擦寫周期,ISO模塊) |
| 24LC08 | 3-Wire Serial EEPROMs |
| 24LC09 | 8K 2.5V ACR SERIAL EEPROM |
| 24LC09IP | 8K 2.5V ACR SERIAL EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24LC08BSN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8K I2Ca?￠ Serial EEPROM |
| 24LC08BT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8K I2C? Serial EEPROM |
| 24LC08BT-/SL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| 24LC08BT-/SM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| 24LC08BT/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 1kx8 - 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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