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參數(shù)資料
| 型號： | DS1307N |
| 英文描述： | 64 X 8 Serial Real Time Clock |
| 中文描述： | 64 × 8串行實(shí)時(shí)時(shí)鐘 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 165K |
| 代理商： | DS1307N |
DS1307
6 of 11
Acknowledge:
Each receiving device, when addressed, is obliged to generate an acknowledge after the
reception of each byte. The master device must generate an extra clock pulse which is associated with
this acknowledge bit.
A device that acknowledges must pull down the SDA line during the acknowledge clock pulse in such a
way that the SDA line is stable LOW during the HIGH period of the acknowledge related clock pulse. Of
course, setup and hold times must be taken into account. A master must signal an end of data to the slave
by not generating an acknowledge bit on the last byte that has been clocked out of the slave. In this case,
the slave must leave the data line HIGH to enable the master to generate the STOP condition.
DATA TRANSFER ON 2-WIRE SERIAL BUS
Figure 5
Depending upon the state of the R/
W
bit, two types of data transfer are possible:
1.
Data transfer from a master transmitter to a slave receiver.
The first byte transmitted by the
master is the slave address. Next follows a number of data bytes. The slave returns an acknowledge
bit after each received byte. Data is transferred with the most significant bit (MSB) first.
2.
Data transfer from a slave transmitter to a master receiver.
The first byte (the slave address) is
transmitted by the master. The slave then returns an acknowledge bit. This is followed by the slave
transmitting a number of data bytes. The master returns an acknowledge bit after all received bytes
other than the last byte. At the end of the last received byte, a ’not acknowledge’ is returned.
The master device generates all of the serial clock pulses and the START and STOP conditions. A
transfer is ended with a STOP condition or with a repeated START condition. Since a repeated START
condition is also the beginning of the next serial transfer, the bus will not be released. Data is transferred
with the most significant bit (MSB) first.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1307Z | 64 X 8 Serial Real Time Clock |
| DS1307ZN | 64 X 8 Serial Real Time Clock |
| DS1310 | |
| DS1311 | |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1307N+ | 功能描述:實(shí)時(shí)時(shí)鐘 64x8 Serial I2C RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1307Z | 功能描述:實(shí)時(shí)時(shí)鐘 64x8 Serial I2C RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1307Z/T&R | 制造商:Maxim Integrated Products 功能描述:SERIAL TIME CHIP 8PIN SOIC, T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim Integrated DS1307Z/T&R Real Time Clocks (RTC) 制造商:Maxim Integrated Products 功能描述:IC RTC SERIAL 512K 8-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 64x8 Serial I2C RTC |
| DS1307Z/T&R | 功能描述:實(shí)時(shí)時(shí)鐘 64x8 Serial I2C RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1307Z/T&R/C03 | 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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