DS1202 DATASHEET PDF

The DS is designed to operate on very low power and retain data and clock information on less than 1 mi- crowatt. DS, DSS After the first eight clock cycles have occurred which load the command word into the shift register, additional clocks will output data for a read or input data for a write. Bit 7 of the seconds register is defined as the clock halt flag. When this bit is set to logic 1, the clock oscillator is stopped and the DS is placed into a low—power standby mode with a current drain of not more than nanoamps. When this bit is written to logic 0, the clock will start.

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We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information. Table 4. The X2 pin of the RTC should be allowed , measured with no output load. The input characteristics of the oscillator on a RTC will determine how much , the battery needed for operation. The X2 pin of the RTC should be allowed to float when , output load.

The input characteristics of the oscillator on a RTC will determine how much additional , battery needed for operation. The following data , voltage of 3. It communicates with a microprocessor via a simple serial interface. The DS is the successor to the DS In addition to the basic timekeeping. The two bytes of memory map will be decoded and. GP4 is a , access the DS are also brought to a connector for ease of connecting a programming cable. Ground , with some buffering! For non-volatile. Introduction This application note provides the information necessary to determine whether or not the DS is a "drop in" replacement for the DS in existing applications.

Replacement Issues The DS may provide a replacement for the DS without requiring hardware or software modification of the existing DS application with a couple of exceptions to note. Software 3-Wire Read. Abstract: DS ds circuit Text: www. The DS is designed to. Introduction This , " replacement for the DS in existing applications. In addition to the basic timekeeping functions of the DS , the DS has the , Clocks for additional specifications. Figure 2. Typical PC Board Layout , by reading the appropriate register bytes.

Table 2 illustrates the RTC registers. The time and. The DS is. In addition to the basic timekeeping functions of the DS , the DS has the additional features of dual power pins for , additional specifications. The time and calendar are set or initialized by writing the appropriate.

The DS is ,. Interfacing the DS with a microprocessor is simplified by using synchronous serial communication. RAM one byte at a time or in a. Interfacing the DS with a microprocessor is simplified by using ,. Interfacing the DS with a m. Interfacing the DS with a microprocessor is simplified by using synchronous serial. DS with a microprocessor is simplified by using synchronous serial , time or in a burst of up to 24 bytes.

The DS is designed to operate on very low power and retain. The DS is designed to operate on very low power and retain data and clock information on less. In addition to the basic timekeeping functions of the DS , the DS has the additional features of dual power pins for primary and backup power supplies , illustrates the RTC registers.

The time and calendar are set or initialized by writing the appropriate , Chip Table 3. OK, Thanks We use Cookies to give you best experience on our website. Previous 1 2 Texas Instruments. AN APP DS nA.

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