Epson RA4803SA Manuals

Manuals and User Guides for Epson RA4803SA. We have 1 Epson RA4803SA manual available for free PDF download: Applications Manual

Epson RA4803SA Applications Manual

Epson RA4803SA Applications Manual (33 pages)

Real Time Clock Module

Brand: Epson | Category: Control Unit | Size: 0.94 MB

Table of Contents

Table of Contents
3
1 Overview

4
2 Block Diagram

4
3 Terminal Description

5
- Terminal Connections
  5
- Pin Functions
  5
4 Absolute Maximum Ratings

6
5 Recommended Operating Conditions

6
6 Frequency Characteristics

6
7 Electrical Characteristics

7
- DC Characteristics
  7
- AC Characteristics
  8
8 Use Methods

9
- Description of Registers
  9
  - Write / Read and Bank Select
    9
  - Register Table (Bank1)
    9
  - Register Table (Bank2)
    10
  - Register Table (Bank3)
    10
  - Address Function Bit
    10
  - Read Write
    10
  - Sec
    10
  - Min
    10
  - Hour
    10
- Details of Registers
  11
  - Clock Counter ( 1/100S, SEC - HOUR )
    11
  - Calendar Counter ( WEEK - YEAR )
    12
  - Week
    12
  - Day
    12
  - Month Pp
    12
  - Year
    12
  - Alarm Registers
    13
  - Fixed-Cycle Timer Control Registers
    13
  - Extension Register
    13
  - MIN Alarm AE
    13
  - HOUR Alarm AE
    13
  - WEEK Alarm
    13
  - DAY Alarm
    13
  - B Timer Counter
    13
  - C Timer Counter
    13
  - Flag Register
    14
  - Control Register
    15
  - OSC Offset Contorol ( Reg -C / Bank 3 )
    17
  - Capture Buffer / Event Control ( Bank 3 )
    18
- Fixed-Cycle Timer Interrupt Function
  19
- Time Update Interrupt Function
  22
  - Time Update Interrupt Function Diagram
    22
  - Related Registers for Time Update Interrupt Functions
    23
- Alarm Interrupt Function
  24
- Read/Write of Data
  27
  - Write of Data
    27
  - Read of Data
    27
- VDD and CE Timing
  28
- Backup and Recovery
  28
- Connection with Typical Microcontroller
  29
- When Used as a Clock Source (32 Khz-TCXO)
  29
- Note about Read-Out Method of a 1/100S Register
  30
9 External Dimensions / Marking Layout

31
10 Application Notes

32

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