Epson RX-8801JE Manuals

Table of Contents

• • 3

    Table of Contents

• 4

  1 Overview

• 4

  2 Block Diagram

• 5

  3 Terminal Description

  • 5

    Terminal Connections
  • 5

    Pin Functions

• 6

  4 Absolute Maximum Ratings

• 6

  5 Recommended Operating Conditions

• 6

  6 Frequency Characteristics

• 7

  7 Electrical Characteristics

  • 7

    DC Characteristics
  • 8

    AC Characteristics

• 9

  8 Use Methods

  • 9

    Overview of Functions
  • 10

    Description of Registers
    • 10

      Register Table
    • 11

      Control Register (Reg F)
    • 13

      Flag Register (Reg-E)
    • 14

      Extension Register (Reg-D)
    • 15

      RAM Register (Reg - 7)
    • 15

      Clock Counter (Reg - 0 ~ 2)
    • 15

      Day Counter (Reg - 3)
    • 16

      Calendar Counter (Reg 4 to 6)
    • 16

      Alarm Registers (Reg - 8 ~ A)
    • 16

      Fixed-Cycle Timer Control Registers (Reg - B to C)
  • 17

    Fixed-Cycle Timer Interrupt Function
    • 17

      Diagram of Fixed-Cycle Timer Interrupt Function
    • 18

      Related Registers for Function of Time Update Interrupts
    • 19

      Fixed-Cycle Timer Interrupt Interval (Example)
    • 19

      Fixed-Cycle Timer Start Timing
  • 20

    Time Update Interrupt Function
    • 20

      Time Update Interrupt Function Diagram
    • 21

      Related Registers for Time Update Interrupt Functions
  • 22

    Alarm Interrupt Function
    • 22

      Diagram of Alarm Interrupt Function
    • 23

      Related Registers
    • 24

      Examples of Alarm Settings
  • 25

    Reading/Writing Data Via the I 2 C Bus Interface
    • 25

      Overview of I 2 C-BUS
    • 25

      System Configuration
    • 26

      Starting and Stopping I C Bus Communications
    • 27

      Data Transfers and Acknowledge Responses During I 2 C-BUS Communications
    • 27

      Slave Address
    • 28

      I 2 C Bus Protocol
  • 29

    Backup and Recovery
  • 30

    Connection with Typical Microcontroller
  • 30

    When Used As a Clock Source (32 Khz-Tcxo)

• 31

  9 External Dimensions / Marking Layout

• 33

  10 Application Notes