Rainbow-electronics DS1340 Manuel d'utilisateur Page 1

General DescriptionThe DS1340 is a real-time clock (RTC)/calendar that ispin compatible and functionally equivalent to the STM41T00, including the sof

DS1340Bits 6 to 0: All other bits in the flag register read as 0and cannot be written.Clock CalibrationThe DS1340 provides a digital clock calibration

Accordingly, the following bus conditions have beendefined:Bus not busy: Both data and clock lines remainhigh.START data transfer: A change in the dat

DS13402-Wire RTC with Trickle ChargerMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim pro

DS13402-Wire RTC with Trickle Charger2 _____________________________________________________________________ABSOLUTE MAXIMUM RATINGSStresses beyond th

DS13402-Wire RTC with Trickle Charger_____________________________________________________________________ 3RECOMMENDED DC OPERATING CONDITIONS(VCC= V

DS13402-Wire RTC with Trickle Charger4 _____________________________________________________________________POWER-UP/POWER-DOWN CHARACTERISTICS(TA= -4

DS13402-Wire RTC with Trickle Charger_____________________________________________________________________ 5OUTPUTSVCCVPF(MAX)INPUTSHIGH-ZRSTDON'

DS1340Detailed DescriptionThe DS1340 is a low-power clock/calendar with a tricklecharger. Address and data are transferred seriallythrough a 2-wire bi

temperature shifts. External circuit noise coupled intothe oscillator circuit can result in the clock running fast.Figure 4 shows a typical PC board l

DS1340the control register is located at 07h. The trickle-chargeand flag registers are located in address locations 08hto 09h. During a multibyte acce

Bit 6: Frequency Test (FT). When this bit is 1, theFT/OUT pin toggles at a 512Hz rate. When FT is writtento 0, the OUT bit controls the state of the F