8581 Product number: Q41A8815xxxxx00 suitable accessories. Built

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8581 Product number: Q41A8815xxxxx00 suitable accessories. Built

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Automotive Applications, C-Bus Interface MODULE
8581
Product number: Q41A8815xxxxx00 suitable accessories. Built frequency adjusted 32.768 crystal unit. Compliant with high-speed specifications. (400kHz) Alarm Timer function Available. 32.768 clock frequency output. (FOE,FOUT) Automatic adjustment leap year. backup current: 0.45 (Typ.) Wide operating voltage range Wide timekeeper voltage range:
C-Bus trademark Philips Electronics N.V.
Block Diagram
32.768 CLOCK CALENDAR
DIVIDER
FOUT
FOUT CONTROLLER
TIMER REGISTER
INTERRUPTS CONTROLLER
ALARM REGISTER
I2C-BUS INTERFACE CIRCUIT
CONTROL REGISTER SYSTEM CONTROLLER
Assignment
Descriptions
Terminal FOUT Descriptions Serial clock input Data Interrupt output (Open drain) FOUT output enable 32.768 output (Open drain)
8581
Assignm
10.1
1.27
0.35
RA-8581SA
Specifications
Operating range
Item Supply voltage Data holding voltage Operating temperature range Symbol Condition Min. Max. Unit
TOPR
Symbol
C-Bus Active condensation
Condition
Max.
Frequency characteristics
Item Frequency tolerance Frequency temperature characteristics
Ta=+25 VDD=3.0 Ta=-10 VDD=3.0
-120 Typ. 0.65 0.45 Typ.
Aging characteristics
Item Current consumption
Symbol
Ta=+25 VDD=3.0 First year
Condition
Min.
Backup mode
Current consumption
IDD1,2 IDD3,4
32.768 output (CL=0 FOUT output
Item
fscl=0 VDD=5 fscl=0 VDD=3 fscl=0 VDD=5 fscl=0 VDD=3
Condition
Max. Max.
Unit
Symbol
FOUT Duty
level
Min.
Unit
Register table
Address Item HOUR WEEK MONTH YEAR Alarm HOUR Alarm WEEK Alarm Alarm Timer Counter Timer Counter Extension Register Flag Register Control Register USEL 2048 1024 TSEL1 TSEL0 STOP RESET
TEST
WADA
RA-8581SA
NOTICE
material subject change without notice. part this material reproduced duplicated form means without written permission Seiko Epson. information, applied circuit, program, using etc., written this material just reference. Seiko Epson does assume liability occurrence infringing patent copyright third party. This material does authorize licence patent intellectual property rights. product described this material contain technology subject relating strategic prodects under control Foreign Exchange Foreign Trade Japan require export licence from Ministry international Trade industry other approval from another government agency. products(except some product automotive applications) listed this material designed used with ordinary electronic equipment(OA equipment, equipment,communications equipment, measuring instruments etc). Seiko Epson does assume liability case using products with application required high reliability safety extremely (such aerospace equipment etc). When intending product with automotive application other application than ordinary electric equipments above, please contact sales representatives advance. SEIKO EPSON CORPORATION 2003
ELECTRONIC DEVICE MARKETING DEPARTMENT
EPSON ELECTRONICS AMERICA, INC. River Oaks Parkway, Jose, 95134, U.S.A. Phone: (1)800-228-3964 (Toll free) (1)408-922-0200 Fax: (1)408-922-0238 EPSON EUROPE ELECTRONICS GmbH Riesstrasse 80992 Munich, Germany Phone: (49)-(0)89-14005-0 Fax: (49)-(0)89-14005-110 EPSON (CHINA) CO., LTD. 23F, Beijing Silver Tower North DongSangHuan ChaoYang District, Beijing, China Phone: (86) 10-6410-6655 Fax: (86) 10-6410-7319 Electronic devices information server EPSON HONG KONG LTD. 20/F., Harbour Centre, Harbour Road, Wanchai, Hong kong http://www.epsondevice.com Phone: (852) 2585-4600 Fax: (852) 2827-2152 EPSON TAIWAN TECHNOLOGY TRADING LTD. 14F, No.7, Song Road, Taipei Phone: (886) 2-8786-6688 Fax: (886) 2-8786-6660 EPSON SINGAPORE PTE. LTD. No.1, Temasek Avenue #36-00, Millenia Tower, Singapore 039192 Phone: (65) 337-7911 Fax: (65) 334-2716 SEIKO EPSON CORPORATION KOREA Office 50F, Building,60 Yoido-dong, Youngdeungpo-Ku, Seoul, 150-763, Korea Phone: (82) 2-784-6027 Fax: (82) 2-767-3677
RA-8581SA

8581 Product number: Q41A8815xxxxx00 suitable accessories. Built

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