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Epson RA8804 CE Manuals
Manuals and User Guides for Epson RA8804 CE. We have
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Epson RA8804 CE manual available for free PDF download: Applications Manual
Epson RA8804 CE Applications Manual (47 pages)
Real Time Clock Module
Brand:
Epson
| Category:
Clock
| Size: 1.25 MB
Table of Contents
Table of Contents
4
Overview
5
Block Diagram
5
Terminal Description
6
Terminal Connections
6
Pin Functions
6
Absolute Maximum Ratings
7
Recommended Operating Conditions
7
Frequency Characteristics
7
Electrical Characteristics
8
DC Characteristics
8
AC Characteristics
9
Use Methods
10
Description of Registers
10
Write/Read and Bank Select
10
Register Table (Basic Time and Calendar Register)
10
Register Table (Time Stamp, EVIN, SOUT, Timer)
11
Quick Reference
11
Details of Registers
12
Clock Counter (SEC - HOUR)
12
Alarm Registers
14
Fixed-Cycle Timer Control Registers
14
Extension Register
14
Flag Register
15
Control Register
17
Fixed-Cycle Timer Interrupt Function
19
Diagram of Fixed-Cycle Timer Interrupt Function
19
Related Registers for Function of Fixed-Cycle Timer Interruption
20
Timer Register
20
Fixed-Cycle Timer Interrupt Interval (Example)
22
Fixed-Cycle Timer Start Timing
22
EVIN Interrupt and Time Stamp Function
23
Diagram of EVIN Interrupt Function
23
Operation Example of Time-Stamp Function
24
Related Registers for EVIN Interrupt and Time Stamp Function
24
SOUT Interrupt Function
27
Operation Example of SOUT Function
27
Related Registers for SOUT Interrupt Functions
28
Time Update Interrupt Function
29
Time Update Interrupt Function Diagram
29
Related Registers for Time Update Interrupt Functions
30
Alarm Interrupt Function
31
Diagram of Alarm Interrupt Function
31
Related Registers for Alarm Interrupt Function
32
Examples of Alarm Settings
33
About the Interrupt Function for Operation /INT = "L" Interrupt Output
34
Temperature Compensation Function
34
Related Registers for Temperature Compensation Function
34
Reading/Writing Data Via the I C Bus Interface
35
Overview of I2C-BUS
35
System Configuration
35
Starting and Stopping I C Bus Communications
36
Data Transfers and Acknowledge Responses During I
37
BUS Communications
37
Slave Address
37
I 2 C Bus Protocol
38
Backup and Recovery
39
About Access at the Time of Backup Return and Initial Power Supply
40
Flow Chart
41
Connection with Typical Microcontroller
44
When Used as a Clock Source (32 Khz-TCXO)
44
External Dimensions/Marking Layout
45
Rx8804Ce
45
External Dimensions
45
Marking Layout
45
Application Notes
46
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