參數(shù)資料
型號(hào)： AT24C02B_07
廠商： Atmel Corp.
英文描述： Two-wire Serial EEPROM
中文描述： 兩線串行EEPROM
文件頁(yè)數(shù)： 6/21頁(yè)
文件大?。?/td> 496K
代理商： AT24C02B_07
6
AT24C02B
5126F–SEEPR–2/07
Device Operation
CLOCK and DATA TRANSITIONS:
The SDA pin is normally pulled high with an exter-
nal device. Data on the SDA pin may change only during SCL low time periods (see
Figure 4 on page 7). Data changes during SCL high periods will indicate a start or stop
condition as defined below.
START CONDITION:
A high-to-low transition of SDA with SCL high is a start condition
which must precede any other command (see Figure 5 on page 8).
STOP CONDITION:
A low-to-high transition of SDA with SCL high is a stop condition.
After a read sequence, the stop command will place the EEPROM in a standby power
mode (see Figure 5 on page 8).
ACKNOWLEDGE:
All addresses and data words are serially transmitted to and from
the EEPROM in 8-bit words. The EEPROM sends a zero to acknowledge that it has
received each word. This happens during the ninth clock cycle.
STANDBY MODE:
The AT24C02B features a low-power standby mode which is
enabled: (a) upon power-up and (b) after the receipt of the STOP bit and the completion
of any internal operations.
MEMORY RESET:
After an interruption in protocol, power loss or system reset, any 2-
wire part can be reset by following these steps:
1.
Clock up to 9 cycles.
2.
Look for SDA high in each cycle while SCL is high.
3.
Create a start condition.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT24C02B-10PU-1.8 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin PDIP 制造商:Atmel Corporation 功能描述:256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8
AT24C02B10SU18 制造商:Atmel Corporation 功能描述:
AT24C02B-10TSU-1.8 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-Bit 256 x 8 2.5V/3.3V/5V 5-Pin SOT-23
AT24C02B-10TU 1.8 SL383 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin TSSOP T/R
AT24C02B-10TU-1.8 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin TSSOP
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