RTC4573 Epson Company, RTC4573 Datasheet
RTC4573
Related parts for RTC4573
RTC4573 Summary of contents
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Serial RTC with Alarm and Timer RTC - 4573 · Built-in frequency adjusted 32.768KHz crystal oscillator · Serial interface that can be controlled through three signal lines · Week , Day , hour , and minute alarm interrupt functions · ...
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Pin Connection Symbol Pin-No. CE1 5 Bi- DATA 6 directional CLK 7 GND 9 / TIRQ 10 Output / AIRQ 11 Output CE0 12 FOUT 13 Output ...
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Electrical Characteristics n 1. Absolute Maximum Ratings Description Power supply Voltage Input Voltage Output Voltage Temperature 2. Operating Condition Item Supply Voltage Data Holding Voltage Operating Temperature Range 3. Frequency Characteristics Item Frequency accuracy Oscillator start up time Temperature characteristics ...
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AC Characteristics Description Symbol CLK clock cycle t CLK H Pulse Width t CLK L Pulse Width t CE setup time t CE hold time t CE recovery time t CLK hold time t CKH Write DATA in setup ...
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Register Table Address Function 0 Sec 1 Min 2 Hour 3 Week 4 Day 5 Month 6 Year 7 Minutes Alarm 8 Hours Alarm 9 Week Alarm A Day Alarm B FOUT control C Timer interrupt control D Count ...
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Alarm registers (register 7 to register A) Alarms can be set for days of the week, hours, and minutes. Bit 7 of each alarm register bit that can be used to set an hourly alarm or ...
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Control register1 ( Reg-E ) Address bit 7 bit TPbits: ( Interrupt Signal Output Mode Select. Timer-Interrupt / Timer-Periodic ) output mode of timer signaling. bit TIRQ terminal is maintained by "L" till ...
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Usage Functional Overview The basic sequence for reads and writes is the same: after the CE input goes high, the 4-bit mode is set, the 4-bit address is specified, and then the data is read or written in 8-bit ...
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... Examples of External Connections VDD SCI7701 or SCI7721 VDD VSS Voltage Detector 1SS108 or Equivalent n Package Outline 11.4 0.2 0.4 0. Note Schottky Barrier Diode 0.1V 5.4 7.8 0.2 1.8 2.0 MAX. 1.27 0 MIN 0.1 Page-9 4.7uF + RTC4573 VDD CE1 CE0 DATA 0.1uF CLK / TIRQ / AIRQ FOUT GND 0.15 0.6 0.2 Aug.1998 ...
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Reference data Frequency temperature characteristics ( typical ) q = 25°C TYP -0.035ppm/°C² TYP -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -40 -30 -20 -10 0 ...
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Notes on Use ( 1 ) Notes on handling In order to attain low power consumption, this module incorporates a CMOS IC. Therefore, the following points should be kept in mind when using this module. 1. Static electricity While ...
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Notes on mounting 1. Soldering temperature conditions If the internal temperature of the package exceeds 260°C, the characteristics of the crystal resonator may deteriorate and the package may be damaged. Therefore, before using this module, be sure ...