rx-8571sa Epson Electronics America, Inc., rx-8571sa Datasheet
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rx-8571sa
Manufacturer Part Number
rx-8571sa
Description
Low Current Consumption I 2 C-bus Interface Real Time Clock Module
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.RX-8571SA.pdf
(2 pages)
" " " "
Power voltage
Clock voltage
Operating
" " " "
Frequency
Oscillation
Low current consumption
I
RX - 8571 SA
2
Please ask for tighter tolerance. ( Equivalent to 1 minute of monthly deviation )
1.
2.
3.
4.
5.
6.
7.
temperature
tolerance
C-Bus INTERFACE REAL TIME CLOCK MODULE
Block diagram
Terminal connection / External dimensions
Specifications (characteristics)
start up time
* The I
Built-in frequency adjusted 32.768 kHz crystal unit.
Interface Type
Operating voltage range
Wide Timekeeper voltage range : 1.3 V to 5.5 V
Low backup current
32.768 kHz frequency output function : C-MOS output With Control Pin
User RAM
The various functions include full calendar, alarm, timer,etc.
Recommended Operating Conditions
Frequency characteristics
Real time clock module
Real time clock module
(Long-running timer : 65535 hours)
Real time clock module
Real time clock module
GND
N.C.
DAS
SCL
SDA
/BM
FOE
Item
Item
2
C-Bus is a trademark of NXP Semiconductors
DAS
/ IRQ
/BM
FOE
FOUT
SDA
SCL
RX
SOP - 14 pin
Symbol
Symbol
7.4
V
T
V
t
8571 SA
OPR
STA
5.0
CLK
DD
f / f
XD
0.2
( 32.768 kHz )
OSC
T
V
T
V
a
DD
a
DD
XG
= +25 C
= +25 C
Condition
= 3.0 V
= 1.6 V
14.
13.
12.
11.
10.
-
-
-
Condition
9.
8.
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.
INTERRUPTS
CONTROLLER
CONTROLLER
INTERFACE
CIRCUIT
FOUT
FOUT
N.C.
N.C.
N.C.
/ IRQ
N.C.
V
DIVIDER
DD
: I
: 1.6 V to 5.5 V
: 220 nA (Typ.) / 3 V
: 128 bit
/
2
C-Bus Interface (400 kHz)
NB
128 bit (16 word x 8 bit)
Min.
1.6
1.3
-40
USER REGISTER
Typ.
+25
3.0
3.0
/
1 Max.
http://www.epsontoyocom.co.jp
Rating
5 23
TIMER REGISTER
ALARM REGISTER
SYSTEM
CONTROL
LC
CLOCK
CALENDAR
and
CONTROLLER
REGISTER
and
Max.
+85
10.
11.
5.5
5.5
1.
2.
3.
4.
5.
6.
7.
8.
9.
FOE
/BM
(GND)
SDA
SCL
DAS
GND
N.C.
FOUT
/IRQ
V
DD
Unit
Unit
10
V
V
s
C
6
RX
SON
5.0
Actual size
8571 NB
RX-8571SA
4.8
" " " "
Current
22 pin
0.2
Consumption
Current consumption characteristics
Item
1.3
0.1
13.
22.
21.
20.
19.
18.
17.
16.
15.
14.
12.
Symbol
32.768 kHz frequency output function
Timer Function
Alarm function
I
Built-in RAM
DD
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Overview
! FOE pin enable output on/off control.
! Output frequency can be selected
! Timer function can be set up between
! Alarm function can be set to day of week,
!
! Timing period are 1 h, 1 min, 64 Hz, 4096 Hz.
! It is recorded automatically to TF-bit at the time of
! It is recorded automatically to AF-bit at the time of
RX-8571NB
as 32.768 kHz, 1024 Hz, 1 Hz.
1/4096 second and 65535 hours.
day, hour, or minute.
128 bit (16 word x 8 bit)
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
V
Ta= +25 C
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
V
Ta= -40 C to +85 C
event occurs, and possible to output with /IRQ pin
output.
event occurs, and possible to output with /IRQ pin
output.
DD
DD
=3.0V
=3.0V
Condition
Refer to application manual for details.
Product Number (Please contact us)
RX-8571SA : X1B000071xxxx00
RX-8571NB : X1B000061xxxx00
RX-8571LC : X1B000051xxxx00
1.
2.
3.
4.
5.
6.
RX-8571LC
FOE
/BM
SDA
SCL
DAS
GND
LC
type
SA/NB
type
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
RX 8571 LC
VSOJ 12pin
Min.
2.8
2.4
Typ.
220
200
Max. Unit
400
400
550
12.
10.
(Unit:mm)
11.
9.
8.
7.
nA
nA
V
N.C.
N.C.
N.C.
/IRQ
FOUT
DD
Related parts for rx-8571sa
rx-8571sa Summary of contents
Page 1
... Max. s http://www.epsontoyocom.co.jp Epson Toyocom Epson Toyocom Epson Toyocom Epson Toyocom Product Number (Please contact us) RX-8571SA : X1B000071xxxx00 RX-8571NB : X1B000061xxxx00 RX-8571LC : X1B000051xxxx00 RX-8571NB RX-8571LC ! FOE pin enable output on/off control. ! Output frequency can be selected as 32.768 kHz, 1024 Hz, 1 Hz. ! Timer function can be set up between 1/4096 second and 65535 hours ...
Page 2
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. ...