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RTC-58323 Dataheets PDF



Part Number RTC-58323
Manufacturers Epson Company
Logo Epson Company
Description Real time clock module(4-bit I/O CONNECTION REAL TIME CLOCK MODULE)
Datasheet RTC-58323 DatasheetRTC-58323 Datasheet (PDF)

http://www.spezial.cz - - - [email protected] - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200 CONTENTS n Overview .. 1 n Features... 1 n Pin connections ....

  RTC-58323   RTC-58323


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http://www.spezial.cz - - - [email protected] - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200 CONTENTS n Overview .............................................................................................................................................. 1 n Features............................................................................................................................................... 1 n Pin connections .................................................................................................................................. 1 n Block diagram ..................................................................................................................................... 1 n Pin functions ....................................................................................................................................... 1 n Characteristics .................................................................................................................................... 1 1. Absolute maximum ratings ........................................................................................................................ 1 2. Operating Conditions................................................................................................................................. 1 3. Frequency characteristics .......................................................................................................................... 1 4. DC characteristics ..................................................................................................................................... 1 5. AC characteristics ..................................................................................................................................... 1 6. Timing chart .............................................................................................................................................. 1 7. Data hold timing ........................................................................................................................................ 1 n Registers.............................................................................................................................................. 1 1. Register table ............................................................................................................................................ 1 2. Notes ........................................................................................................................................................ 1 n Register functions............................................................................................................................... 1 1. Date and time registers.............................................................................................................................. 1 2. Reset register (Control register D).............................................................................................................. 1 3. Reference signal (Control registers E and F) .............................................................................................. 1 n Package dimensions........................................................................................................................... 1 (1)RTC-58321 ............................................................................................................................................... 7 (2)RTC-58323 ............................................................................................................................................... 7 n Marking layout..................................................................................................................................... 1 n Application notes ................................................................................................................................ 1 EPSON 4BIT REAL TIME CLOCK MODULE with I/O CONNECTIONS RTC-58321/58323 n Overview The RTC-58321/58323 is a CMOS real time clock modules with perpetual calendar function developed for microcomputer applications. It has a built-in 32.768 kHz quartz resonator, and provides clock and calendar registers for year, month, day, day-of-week, hours, minutes and seconds, with 12-hour/24-hour selection, plus automatic leap-year correction with software selection for local calendars, and an additional periodic reference signal output. Being a CMOS device, it has a very low power consumption for battery back-up purposes. n Features l l l l l l l l l Adjustment-free built-in quartz resonator keeps component count low. Built-in clock and calendar registers for year, month, day, day-of-week, hours, minutes and seconds. 12-hour/24-hour selection. Automatic leap-year correction, with software selection for local calendars. Counter start, stop and reset functions. Periodic reference signal output selectable: 1024 .


RTC-58321 RTC-58323 RTC-58323


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