various functions include full calendar, alarm, timer,etc.
(Long-running timer : 65535 hours)
*
The I
2
C-Bus is a trademark of NXP Semiconductors
Actual size
RX-8571SA
RX-8571NB
RX-8571LC
Block diagram
( 32.768 kHz )
Overview
•
32.768 kHz frequency output function
FOE pin enable output on/off control.
Output frequency can be selected
as 32.768 kHz, 1024 Hz, 1 Hz.
•
Timer Function
Timer function can be set up between
1/4096 second and 65535 hours.
Timing period are 1 h, 1 min, 64 Hz, 4096 Hz.
It is recorded automatically to TF-bit at the time of
event occurs, and possible to output with /IRQ pin
output.
•
Alarm function
Alarm function can be set to day of week,
day, hour, or minute.
It is recorded automatically to AF-bit at the time of
event occurs, and possible to output with /IRQ pin
output.
•
User RAM
128 bit (8 bit x 16, SRAM)
XD
OSC
XG
DIVIDER
FOUT
CONTROLLER
CLOCK
and
CALENDAR
FOE
FOUT
TIMER REGISTER
INTERRUPTS
/ IRQ
CONTROLLER
ALARM REGISTER
/BM
DAS
SDA
SCL
INTERFACE
CIRCUIT
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
USER RAM 128 bit
Terminal connection / External dimensions
RX
−
8571 SA
1.
2.
3.
4.
5.
6.
7.
GND
N.C.
DAS
SCL
5.0
1.27
(Unit:mm)
RX
−
8571 NB
0.5
RX
−
8571 LC
22.
21.
6.3
Max.
14.
0.2
FOUT
N.C.
N.C.
N.C.
/ IRQ
N.C.
V
DD
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
FOE
/BM
(GND)
SDA
SCL
DAS
GND
N.C.
FOUT
/IRQ
V
DD
SON
−
22 pin
5.0
±
0.2
4.8
1.3
±
0.1
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
−
−
6.
GND
2.8
0.5
1.
2.
3.
4.
5.
FOE
/BM
SDA
SCL
DAS
12.
3.6
V
DD
N.C.
N.C.
N.C.
/IRQ
FOUT
13.
12.
11.
10.
10.1
±
20.
19.
18.
17.
16.
15.
14.
13.
12.
11.
10.
2.4
9.
1.2
Max.
SDA
3.2
±
0.1
/BM
FOE
7.4
±
0.2
9.
8.
8.
7.
SOP - 14 pin
VSOJ
−
12pin
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.
*Stop using the glue
Any glue must never use it after soldering LC-package to a circuit board.This product has glass on the back side of a package.When glue invasions between circuit board side
and glass side, then glass cracks by thermal expansion of glue.In this case a crystal oscillation stops.Consider glue abolition or glue do not touch to LC-package
Specifications (characteristics)
Recommended Operating Conditions
Item
Power voltage
Clock voltage
Operating
temperature
∗
Refer to application manual for details.
Current consumption characteristics
Typ.
3.0
3.0
+25
Max.
5.5
5.5
+85
Unit
V
V
°C
Symbol
V
DD
V
CLK
T
OPR
Conditions
-
-
-
Min.
1.6
1.3
-40
Item
Symbol
Conditions
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
V
DD
=3.0V
Ta= +25
°C
LC
type
SA/NB
type
Min.
-
Typ.
220
Max.
400
Unit
nA
-
200
400
Frequency characteristics
Item
Frequency
tolerance
Oscillation
start up time
Symbol
∆
f/f
t
STA
Conditions
T
a
= +25
°C
V
DD
= 3.0 V
T
a
= +25
°C
V
DD
= 1.6 V
Rating
B: 5
±
23
∗
1 Max.
Unit
×
10
−6
s
Current
Consumption
I
DD
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
V
DD
=3.0V
Ta= -40
°C
to +85
°C
-
-
-
550
nA
∗
Please ask for tighter tolerance. ( 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
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.
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,
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.
ISO/TS16949 is the international standard that added the
sector-specific supplemental requirements for automotive
industry based on ISO9001.
►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 data, circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson
does not assume any liability for the occurrence of customer damage or 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.
