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RX8010SJ

型号:

RX8010SJ

品牌:

EPSON[ EPSON COMPANY ]

页数:

2 页

PDF大小:

276 K

Real time clock module  
REAL TIME CLOCK MODULE (I2C-Bus)  
Low current consumption  
Product Number (Please contact us)  
RX8010SJ : X1B000242xxxx00  
RX8010SJ  
Built in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
: I2C-Bus interface (400 kHz)  
: 1.6Vto5.5V  
Operating voltage range  
Wide Timekeeper voltage range : 1.1Vto5.5V  
Low backup current  
: 160nA/3V(Typ.)  
Frequency output function : C-MOS or Open-Drain output  
Built-in user RAM  
: 128 bit (8 bit x 16, SRAM)  
The various functions include full calendar, alarm, timer, etc.  
This product is conform to industrial standard SOP8 package,  
and it can be mounted to the common land pattern.  
Actual size  
Epson is prepared Linux driver for this product.  
(http://www5.epsondevice.com/en/quartz/tech/linux_for_rtc/index.html)  
The registered trademark Linux® is used pursuant to a sublicense from LMI(Linux Mark Institute)  
The I2C-Bus is a trademark of NXP Semiconductors  
Block diagram  
Overview  
BUILT-IN XTAL  
 Interface Type  
• I2C-Bus high-speed bus specifications. (400 kHz)  
( 32.768 kHz )  
CLOCK  
and  
OSC  
DIVIDER  
CALENDR  
Frequency output function  
• It may select a CMOS or open drain output  
• Output frequency can be selected as 32.768kHz, 1024Hz, 1Hz.  
TIMER REGISTER  
ALARM REGISTER  
Timer function  
ALARM,TIMER,FOUT  
TIMER, FOUT  
INTERRUPTS  
CONTROLLER  
/ IRQ1  
/ IRQ2  
Timer function can be set up between  
1/4096 second and 65535 hours.  
Timing period are 1hour, 1min, 64Hz, 4096Hz.  
It is recorded automatic to TF-bit at the time of event occurrence,  
and possible to output with /IRQ1 or /IRQ2 pin.  
CONTROL  
REGISTER  
BUS  
INTERFACE  
CIRCUIT  
and  
SCL  
SDA  
Alarm function  
Alarm function can be set to day of week,  
day, hour, and minute.  
SYSTEM  
CONTROLLER  
It is recorded automatic to AF-bit at the time of event occurrence,  
and possible to output with /IRQ1 pin.  
 User RAM  
USER RAM 128 bit  
128 bit (8 bit x 16, SRAM)  
Pin Function  
Terminal connection/External dimensions  
(Unit:mm)  
RX8010SJ  
8.VDD  
1.N.C.  
2.N.C.  
3./IRQ2  
Signal Name Input / Output  
Function  
SCL  
SDA  
Input  
This is a shift clock input pin for serial data transmission.  
This is the data input/output pin for serial data transfer.  
7./IRQ1  
6.SCL  
5.SDA  
Input/Output  
This pin outputs interrupt signals ("L" level) for alarm, timer, time update,  
and 32.768kHz. This is an N-ch open-drain output.  
/ IRQ1  
/ IRQ2  
Output  
Output  
4.GND  
3.9 0.1  
This pin outputs interrupt signals ("L" level) for timer and FOUT.  
This is a C-MOS output.  
2.65 Max.  
VDD  
Supply  
Supply  
This is a power-supply pin.  
GND  
This pin is connected to a ground.  
6.0 0.2  
Unit: mm  
SOP-8 pin  
The metal case inside of the molding compound may be exposed on the top or  
bottom of this product. This purely cosmetic and does not have any effect on  
quality, reliability or electrical specs.  
Specifications (characteristics)  
Refer to application manual for details.  
Recommended Operating Conditions  
Ta=-40Cto+85C  
Current consumption characteristics  
Item  
Symbol  
Conditions  
Min.  
Typ.  
Max.  
Unit  
Item  
Symbol  
Conditions  
Min.  
-
Typ.  
-
Max.  
350  
Unit  
nA  
Power voltage  
Clock voltage  
Operating  
VDD  
VCLK  
1.6  
1.1  
3.0  
3.0  
5.5  
5.5  
V
V
VDD  
Input pins are "L"  
=5V  
=3V  
=5V  
=3V  
TOPR  
-40  
+25  
+85  
C  
fCLK = 0 Hz,  
/IRQ1,2 = OFF  
TSEL2=”1”  
temperature  
IBK  
VDD  
VDD  
VDD  
-
-
-
160 320  
0.60 1.10  
0.52 0.90  
Frequency characteristics  
Current  
Consumption  
Item  
Symbol  
Conditions  
Rating  
Unit  
Ta=+25C  
VDD=3.0V  
Ta=+25C  
Frequency  
tolerance  
6
fCLK = 0 Hz,  
/IRQ1: 32.768kHz ON,  
/IRQ2: OFF  
f/f  
B: 523*  
1Max.  
10  
µA  
I32k  
s
s
Oscillation  
Start-up time  
VDD=1.6V5.5V  
Ta=-40Cto+85C  
VDD= 1.6V 5.5V  
tSTA  
3Max.  
*Equivalent to 1 minute of monthly deviation  
PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM  
CONFORMING TO INTERNATIONAL STANDARDS  
At Seiko Epson, all environmental initiatives operate under the  
Plan-Do-Check-Action (PDCA) cycle designed to achieve continuous  
ISO 14000 is an international standard for environmental  
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.  
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,  
ISO/TS16949 is the international standard that added the  
sector-specific supplemental requirements for automotive  
industry based on ISO9001.  
Seiko Epson 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.  
Explanation of the mark that are using it for the catalog  
Pb free.  
Complies with EU RoHS directive.  
*About the products without the Pb-free mark.  
Contains Pb in products exempted by EU RoHS directive.  
(Contains Pb in sealing glass, high melting temperature type solder or other.)  
Designed for automotive applications such as Car Multimedia, Body Electronics, Remote Keyless Entry etc.  
Designed for automotive applications related to driving safety (Engine Control Unit, Air Bag, ESC etc ).  
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 Seiko Epson.  
The information about applied circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson 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 for any patent or intellectual copyrights.  
When exporting the products or technology described in this material, you should comply with the applicable export control laws and  
regulations and follow the procedures required by such laws and regulations.  
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 Seiko Epson 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.  
All brands or product names mentioned herein are trademarks and/or registered trademarks of their respective.  
Seiko Epson Corporation  
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