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参数资料
| 型号： | DS1306N |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP16 |
| 封装： | 0.300 INCH, DIP-16 |
| 文件页数： | 17/17页 |
| 文件大小： | 252K |
| 代理商： | DS1306N |
DS1306
9 of 17
The SDI and SDO pins are the serial data input and output pins for the DS1306, respectively. The CE
input is used to initiate and terminate a data transfer.
The SCLK pin is used to synchronize data
movement between the master (microcontroller) and the slave (DS1306) devices.
The shift clock (SCLK), which is generated by the microcontroller, is active only during address and data
transfer to any device on the SPI bus.
The inactive clock polarity is programmable in some
microcontrollers. The DS1306 determines on the clock polarity by sampling SCLK when CE becomes
active. Therefore either SCLK polarity can be accommodated. Input data (SDI) is latched on the internal
strobe edge and output data (SDO) is shifted out on the shift edge (see Table 3 and Figure 5). There is
one clock for each bit transferred. Address and data bits are transferred in-groups of eight.
FUNCTION TABLE Table 3
MODE
CE
SCLK
SDI
SDO
Disable Reset
L
Input Disabled
High Z
Write
H
CPOL=1*
CPOL=0
Data Bit Latch
High Z
Read
H
CPOL=1
CPOL=0
X
Next data bit
shift**
* CPOL is the “Clock Polarity” bit that is set in the control register of the microcontroller.
** SDO remains at High Z until 8 bits of data are ready to be shifted out during a read.
NOTE:
CPHA bit polarity in the processor (if applicable) may need to be set accordingly.
SERIAL CLOCK AS A FUNCTION OF MICROCONTROLLER
CLOCK POLARITY (CPOL) Figure 5
相关PDF资料 |
PDF描述 |
|---|---|
| DS1306 | 0 TIMER(S), REAL TIME CLOCK, PDIP16 |
| DS1306E | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| DS1306EN | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| DS1307Z | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| DS1307N | 1 TIMER(S), REAL TIME CLOCK, PDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1306N+ | 功能描述:实时时钟 Serial Alarm RTC 3-Wire RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1306ZN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Serial Alarm Real-Time Clock(266.05 k) |
| DS1307 | 功能描述:实时时钟 64x8 Serial I2C RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1307_06 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:64 x 8, Serial, I2C Real-Time Clock |
| DS1307+ | 功能描述:实时时钟 64x8 Serial I2C RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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