Sign In
Upload
Manuals
Brands
Epson Manuals
Computer Hardware
RTC-72423 A
Epson RTC-72423 A Manuals
Manuals and User Guides for Epson RTC-72423 A. We have
2
Epson RTC-72423 A manuals available for free PDF download: Applications Manual
Epson RTC-72423 A Applications Manual (29 pages)
Real Time Clock Module
Brand:
Epson
| Category:
Control Unit
| Size: 1.09 MB
Table of Contents
Table of Contents
3
Overview
5
Block Diagram
6
Pin Connections
6
Pin Functions
7
Characteristics
8
Absolute Maximum Ratings
8
Operating Conditions
8
Frequency Characteristics and Current Consumption Characteristics
8
Electrical Characteristics (DC Characteristics)
9
Switching Characteristics (AC Characteristics)
10
When ALE Is Used
10
When ALE Is Fixed at
12
Registers
13
Register Table
13
Notes
13
Functions of Register Bits (Overview)
14
Setting the Fixed-Period Pulse Output Mode and Fixed-Period Interrupt Mode
14
Resetting the Fixed-Period Pulse Output Mode and Fixed-Period Interrupt Mode
14
Register Description
15
Timing Registers
15
S 1 to y 10 Registers
15
W Register
15
Register (PM/AM
15
Y 1 and y 10 Registers
15
Out-Of-Range Data
15
C D Register (Control Register
16
HOLD Bit
16
BUSY Bit
16
IRQ FLAG Bit
16
30-Second ADJ Bit
17
C E Register (Control Register
17
MASK Bit
17
ITRPT/STND Bit
18
T (D 2 ), T 1 (D 3 ) Bits
18
C F Register (Control Register
19
RESET Bit
19
STOP Bit
19
24/12 Bit
19
TEST Bit
19
Using the RTC-72421/RTC-72423
20
Power-On Procedure (Initialization)
20
Read/Write of S to W Registers
22
Write to 30-Second ADJ Bit
22
Using the CS Pin
23
Functions
23
Timing
23
Note
23
Power Supply Circuit Example
23
Examples of Connection to General-Purpose Microprocessor
24
Connection to Multiplexed Bus Type
24
Connection to Z80 or Compatible CPU
24
Connection to 68-Series MPU
24
Reference Data
25
Frequency Temperature Characteristics (Typical)
25
Frequency Voltage Characteristics (Typical)
25
Current Consumption Voltage Characteristics (Typical)
25
External Dimensions
26
Rtc-72421
26
Rtc-72423
26
Marking Layout
26
Treatment of Unused Input Pins
26
Application Notes
27
Notes on Handling
27
Static Electricity
27
Noise
27
Voltage Levels of Input Pins
27
Notes on Mounting
28
Soldering Temperature Conditions
28
Mounting Equipment
28
Ultrasonic Cleaning
28
Mounting Orientation
28
Leakage between Pins
28
Advertisement
Epson RTC-72423 A Applications Manual (25 pages)
Real Time Clock Module
Brand:
Epson
| Category:
Computer Hardware
| Size: 0.21 MB
Table of Contents
Table of Contents
3
Overview
4
Block Diagram
4
Terminal Connections
5
Terminal Functions
6
Characteristics
7
Absolute Maximum Ratings
7
Recommended Operating Conditions
7
Frequency Characteristics and Current Consumption Characteristics
7
Electrical Characteristics ( DC Characteristics )
7
Switching Characteristics (AC Characteristics)
8
When ALE Is Used
8
When ALE Is Fixed at
9
Registers
10
Register Table
10
Notes
10
Functions of Register Bits (Overview)
10
Setting the Fixed-Period Pulse Output Mode and Fixed-Period Interrupt Mode
11
Resetting the Fixed-Period Pulse Output Mode and Fixed-Period Interrupt Mode
11
Register Description
12
Timing Registers
12
CD Register (Control Register D)
13
CE Register (Control Register E)
14
CF Register (Control Register F)
16
Using the RTC-72421/RTC-72423
17
Power-On Procedure (Initialization)
17
Read/Write of S1 to W Registers
19
Write to 30-Second ADJ Bit
19
Using the CS Pin
20
Power Supply Circuit Example
20
Examples of Connection to General-Purpose Microprocessor
21
External Dimensions
22
Marking Layout
22
Reference Data
23
Application Notes
24
Notes on Handling
24
Notes on Packaging
24
Advertisement
Related Products
Epson RTC-72421 A
Epson RTC-72421 B
Epson ARM720T Core cpu
Epson RTC-4543SA
Epson RTC-4543SB
Epson RTC-4573
Epson RTC-8564JE
Epson RTC-8564NB
Epson RTC-9701JE
Epson RT3B-401SS
Epson Categories
Printer
Projector
All in One Printer
Scanner
Printer Accessories
More Epson Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL