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Epson RX8111CE User Manual

Epson RX8111CE
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ETM61E-01
Preliminary
Product name Product number
RX8111CE A X1B000421000115
RX8111CE B X1B000421000215
Application Manual
Real Time Clock Module
RX8111CE

Table of Contents

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Epson RX8111CE Specifications

General IconGeneral
BrandEpson
ModelRX8111CE
CategoryControl Unit
LanguageEnglish

Summary

Application Manual

Real Time Clock Module

Introduces the Epson RX8111CE Real Time Clock Module.

1. Overview

2. Block Diagram

3. Terminal Description

3.1. Terminal Connections

Shows the physical pin layout of the RX8111CE module.

6. Absolute Maximum Ratings

7. Recommended Operating Conditions

9. Electrical Characteristics

9.1. DC Characteristics

Details the static electrical parameters of the module.

9.2. AC Characteristics

Details the dynamic electrical parameters, including timing.

10. Power Supply Sequence

10.1. Power Supply Sequence

Describes the power-up and power-down behavior of the module.

10.2. The behavior and operation restriction at power-ON in RTC

Explains RTC operation during power cycling and restrictions.

10.3. Reset By Software

Details the software sequence required for a proper reset.

12. Application Notes

Notes on handling

Precautions for safe handling, static, noise, and pin management.

13. Overview of Functions and Description Of Registers

13.1. Overview Of Functions

A summary of the module's various functionalities.

13.2. Register Table

A comprehensive listing of all module registers and their functions.

13.3. Description Of Registers

Explanations for register groups.

14. How to use

14.1. Clock Calendar Function

Procedures for setting and reading time, date, and calendar data.

14.2. Wake-up Timer Interrupt Function

14.2.1. Related registers for function of wake-up timer interrupt function

Registers used to configure and control the wake-up timer.

14.3. Alarm Interrupt Function

14.3.1. Related registers for Alarm interrupt functions.

Registers for setting and enabling alarm triggers.

14.4. Time Update Interrupt Function

14.4.1. Related registers for time update interrupt functions.

Registers for configuring and enabling time update interrupts.

14.5. RTC self monitoring Detection

14.5.1. Related registers for RTC internal status detection

Registers that report the internal status of the RTC.

14.6. FOUT function (Clock output function)

14.6.1. FOUT control register

Register used to control the clock output function.

14.7. Battery backup switchover function

14.7.1. Description of Battery backup switchover function

Explains the mechanism for switching between power sources.

14.8. Time Stamp Function

14.8.1. Outline of Time Stamp function

An overview of the time stamping capability of the module.

14.8.3. Time stamp function triggered by EVIN pin input

How to trigger time stamps using the EVIN pin.

14.8.4. Time stamp function triggered by I2C access

Method for triggering time stamps via I2C commands.

14.8.5. Time stamp stored register

Details the format and location of stored time stamp data.

14.8.6. RTC internal event triggered time stamp, multiple times stamp

How to record time stamps from internal events and manage multiple records.

14.9. Flow Chart

1) Power on initializing example

Flowchart illustrating the power-on initialization process.

4) Setup Clock and calendar example

Flowchart for setting the clock and calendar time and date.

5) Reading clock, calendar example

Flowchart for reading the current clock and calendar data.

6) Setting wake-up timer interpunction example

Flowchart for configuring the wake-up timer interrupt.

7) Setting Alarm Example

Flowchart for configuring alarm functions.

8) Time stamp (one time recording) Example

Flowchart for performing a single time stamp recording.

14.10. Reading/Writing Data via the I²C-Bus Interface

14.10.1. Overview of I2C-Bus

An introduction to the principles of the I2C communication protocol.

14.10.6. I²C-Bus protocol

Detailed sequence descriptions for I2C read and write operations.

15. Circuit Diagram Connection

16. Tables

17. Figures

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