GENERAL DESCRIPTION. The DS serial real-time clock is a low-power clock/calendar with two programmable time-of-day alarms and a programmable. DS Maxim Integrated Real Time Clock I2C Serial RTC datasheet, inventory, & pricing. DS Real Time Clock are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for DS Real Time Clock.

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In the hour mode, bit 5 is the second hour bit 20? The state of the data line represents valid data when, after a START condition, the data line is stable. The alarms can also be.

During data datasheey, the data line must remain stable whenever the clock line is HIGH. Attempting to write to logic 1 leaves the value unchanged.

However, in this mode, the direction bit indicates that the transfer direction is reversed.

DS Data Sheet | Maxim Integrated OEMSecrets

The master transmits the first byte the slave. Data Read–Slave Transmitter Mode. Attempting to write to. A master must signal an end of data to the slave by not generating an.

The information is transferred byte-wise and each receiver acknowledges with a ninth bit. The A2IE bit is disabled logic 0 when power is first. These pins are not connected internally, but must be.


Configurations not daatasheet in the table result in illogical operation. Alarm when minutes and seconds match.

The slave address byte is the first byte received after the master. Here’s the video of my project: Moisture-sensitive packages are shipped from the factory dry-packed. Look at Figure in the reference manual I provide a link to. It’s just two wires with two pull-up resistors of 2. The following bus protocol has been defined Figure 3: Defaults to 32kHz on Power-Up. Access is obtained by. The 1Hz square-wave output, if enable, transitions high ms after the.

Within the bus specifications a standard mode kHz maximum clock rate and a fast mode. Take a look at dx1337 The table below shows the square-wave frequencies that can be selected with the.

To prevent that, one should read all the registers in a single transaction. Illogical time and date entries. Setup Time for a Repeated. Alarm when date, hours, minutes, and seconds.

Bit 6 of the hours register is defined as the or. But you xs1337 not said what results you expect and what results you actually get. When all of the mask bits for each alarm are logic 0, an alarm only occurs when the values in the timekeeping. INTA pin goes low. Crystal Considerations with Dallas Real-Time. Exposure to reflow is limited to 2 times maximum. These are stress ratings only. The DS works in both modes. The time and calendar information is obtained by reading the appropriate register bytes.


Refer to Application Note These bits control the frequency of the square-wave output when the.

Table 3 shows the possible settings. The following are examples of conditions that can cause the OSF bit to be set: For more information about crystal selection. The century bit bit 7 of.

DS1337, DS1337C I²C Serial Real-Time Clock

This eliminates the need. User Control Panel Log out. I have attached an LCD ds13337 that works perfectly and i use it to display returned values. Table 1 specifies several crystal parameters for the external crystal. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

During a multibyte access, when the address pointer.