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RX-4575LC

型号:

RX-4575LC

品牌:

SEIKO[ SEIKO EPSON CORPORATION ]

页数:

2 页

PDF大小:

289 K

Real time clock module  
Epson Toyocom  
Built-in external event detection.  
SERIAL INTERFACE REAL TIME CLOCK MODULE  
RX-4575 LC  
Built in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
:
:
:
:
:
3-wire serial interface  
1.6 V 5.5 V  
Operating voltage range  
Wide timekeeper voltage range  
Low backup current  
1.3 V 5.5 V  
0.35  
µA / 3 V ( Typ. )  
External event detection.  
Chattering free input port 2.  
Actual size  
(The various functions include full calendar, alarm, timer.)  
Block diagram  
Overview  
Event detection.  
32.768 kHz  
Selectable Hi detection or Lo detection.  
Recognition of detection is available both the hardware  
interrupt and the monitor via software.  
Automatic interrupt release mode is available.  
The all 'OR' interrupt output is possible via alarm,  
timer and event detection.  
OSC  
DIVIDER  
CLOCK and  
CALENDAR  
FOUT  
FOE  
OUTPUT  
TIMER  
ALARM  
CONTROLLER  
REGISTER  
REGISTER  
/ IRQN  
INTERRUPTS  
CONTROLLER  
Performance of event input terminal.  
As for the chattering filter,  
/ EIRQN  
following are prepared for. ( 8ms, 31ms, 62ms, 125ms )  
Built-in resistor connect and release is possible via  
software. Selectable pull-up or pull-down.  
Timer function  
EINA  
EINB  
EVENT DETECT  
REGISTER  
INPUT  
CONTROLLER  
DATA  
CLK  
CONTROL  
REGISTER  
BUS  
Built in 12 bit counter.  
Timing period are 1 min, 1 sec, 64Hz, 4096Hz.  
INTERFACE  
CIRCUIT  
CE 1  
CE 0  
SHIFT REGISTER  
Alarm function  
Alarm setting is possible by combination of a day,  
hours, and minutes.  
Pin Function  
Terminal connection /External dimensions (Unit:mm)  
RX 4575 LC  
Signal Name Input / Output  
Functions  
EINA  
Input  
EINB  
CE 0  
Input  
CE 1  
External event input pin.  
1. EINA  
2. EINB  
3. /EIRQ  
4. /IRQ  
5. FOE  
6. FOUT  
12. VDD  
Interface is possible when both CE0 and CE1 is high level.  
Serial Clock input pin.  
11. CE1  
10. CLK  
9. DATA  
8. CE0  
CLK  
Input  
DATA  
Bidirectional Data input and output pin.  
32.768 kHz clock output pin ( C-MOS ) .  
FOUT  
Output  
Output is Hi-Z when OFF.  
2.4  
FOE  
/ EIRQ  
/ IRQ  
VDD  
Input  
32kHz is output when input is Hi, 32kHz is OFF when input is Lo.  
Output  
Output  
Interrupt output pin. ( N-ch open drain )  
Interrupt output pin. ( N-ch open drain )  
Connected to a positive power supply.  
Connected to a ground.  
7. GND  
2.8  
VSOJ 12pin  
GND  
Specifications (characteristics)  
Refer to application  
!
!
Recommended  
Operating conditions  
Current consumption characteristics  
Ta = 40 °C +85 °C  
Item  
Symbol  
Condition  
Min.  
Typ.  
Max.  
Unit  
Item  
Symbol  
Condition  
Min. Typ. Max. Unit  
DD  
Power voltage  
Clock voltage  
Operating  
V
V
1.6  
1.3  
3.0  
3.0  
5.5  
5.5  
V
V
DD  
V
CE0, CE1 = GND  
CLK  
0.45 0.9  
= 5 V  
/ IRQ, / EIRQ= OFF  
FOUT : output OFF  
Event detection OFF  
OPR  
40  
°
T
+25  
+85  
C
BK  
µ
I
A
A
Temperature  
DD  
V
= 3 V  
0.35 0.7  
8.0 20.0  
5.0 12.0  
Current  
Consumpti  
on  
!
Frequency characteristics  
Item  
Symbol  
Condition  
Rating  
Unit  
CE0, CE1 = GND  
/ IRQ, / EIRQ= OFF  
DD  
V
= 5 V  
a
°
C
Frequency  
tolerance  
T
V
T
= +25  
= 3.0 V  
= +25  
= 1.6 V  
40  
= 1.6 V  
6
±
*
×
f / f  
5
23  
10  
s
DD  
32k  
µ
I
FOUT ; CL = 30 pF  
32.768 kHz output ON  
a
°
C
DD  
V
= 3 V  
1 Max.  
3 Max.  
DD  
Oscillation  
Start-up time  
V
STA  
t
a
°
C
°
+85  
T
V
=
C
s
DD  
*Equivalent to 1 minute of monthly deviation  
http://www.epsontoyocom.co.jp  
“Quartz + MEMS” EPSON TOYOCOM  
In order to meet customer needs in a rapidly advancing digital,  
broadband and ubiquitous society, we are committed to offering  
products that are one step ahead of the market and a rank above  
the rest in quality. To achieve our goals, we follow a “3D (three  
device) strategy” designed to drive both horizontal and vertical  
growth. We will to grow our three device categories of “Timing  
Devices”, ”Sensing Devices” and “Optical Devices”, and expand  
vertical growth through a combination of products from these  
categories.  
Quartz devices have become crucial in the network environment  
where products are increasingly intended for broadband,  
ubiquitous applications and where various types of terminals can  
transfer information almost immediately via LAN and WAN on a  
global scale. Epson Toyocom Corporation addresses every single  
aspect within a network environment. The new corporation offers  
“Digital Convergence” solutions to problems arising with products  
for consumer use, such as, core network systems and automotive  
systems.  
A Quartz MEMS is any high added value quartz device that exploits the  
characteristics of quartz crystal material but that is produced using MEMS  
(micro-electro-mechanical system) processing technology.  
Market needs are advancing faster than previously imagined toward  
smaller, more stable crystal products, but we will stay ahead of the curve  
by rolling out products that exceed market speed and quality  
requirements. We want to further accelerate the 3D strategy by QMEMS.  
PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM  
CONFORMING TO INTERNATIONAL STANDARDS  
At Epson Toyocom, all environmental initiatives operate under the Plan-Do-Check-Action(PDCA) cycle designed to achieve continuous improvements.  
The environmental management system (EMS) operates under the ISO 14001 environmental management standard.  
All of our major manufacturing and non-manufacturing sites, in Japan and overseas, completed the acquisition of ISO 14001 certification.  
In the future, new group companies will be expected to acquire the certification around the third year of operations.  
ISO 14000 is an international standard for environmental  
management that was established by the International  
Standards Organization in 1996 against the background  
of growing concern regarding global warming, destruction  
of the ozone layer, and global deforestation.  
WORKING FOR HIGH QUALITY  
In order provide high quality and reliable products and services than meet customer needs,  
Epson Toyocom made early efforts towards obtaining ISO9000 series certification and has acquired ISO9001 for all business establishments in Japan  
and abroad. We have also acquired ISO/TS 16949 certification that is requested strongly by major automotive manufacturers as standard.  
QS-9000 is an enhanced standard for quality  
assurance systems formulated by leading  
U.S.automobile manufacturers based on  
the international ISO 9000 series.  
ISO/TS 16949 is a global standard based on  
QS-9000, a severe standard corresponding to  
the requirements from the automobile industry.  
Notice  
This material is subject to change without notice.  
Any part of this material may not be reproduced or duplicated in any form or any means without the written permission of Epson Toyocom.  
The information, applied circuitry, programming, usage, etc., written in this material is intended for reference only. Epson Toyocom does not assume  
any liability for the occurrence of infringing on any patent or copyright of a third party. This material does not authorize the licensing on for any patent  
or intellectual copyrights.  
Any product described in this material may contain technology or the subject relating to strategic products under the control of the Foreign  
Exchange and Foreign Trade Law of Japan and may require an export license from the Ministry of International Trade and Industry or other  
approval from another government agency.  
You are requested not to use the products (and any technical information furnished, if any) for the development and/or manufacture of weapon of  
mass destruction or for other military purposes. You are also requested that you would not make the products available to any third party who may  
use the products for such prohibited purposes.  
These products are intended for general use in electronic equipment. When using them in specific applications that require extremely high reliability,  
such as the applications stated below, you must obtain permission from Epson Toyocom in advance.  
/ Space equipment (artificial satellites, rockets, etc.) / Transportation vehicles and related (automobiles, aircraft, trains, vessels, etc.)  
/ Medical instruments to sustain life / Submarine transmitters / Power stations and related / Fire work equipment and security equipment  
/ traffic control equipment / and others requiring equivalent reliability.  
In this new crystal master for Epson Toyocom, product codes and markings will remain as previously identified prior to the merger.  
Due to the on-going strategy of gradual unification of part numbers, please review product codes and markings, as they will change during the  
course of the coming months.  
We apologize for the inconvenience, but we will eventually have a unified part numbering system for Epson Toyocom that will be user friendly.  
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