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| New Product 4-wire serial interface high-stability RTC module RX -4045 SA Preliminary Product number:Q4140455xxxxx00 * Built in frequency adjusted 32.768 kHz crystal unit. * Serial interface which can be controlled by 4 or 3 signal lines. * Dual Alarm and Timer IRQ function are Available. * 32.768 kHz clock frequency output. (FOUT) * Low backup current : 0.48 A / 3 V ( Typ.) * Wide operating voltage range : 1.7 V to 5.5 V Wide timekeeper voltage range : 1.15 V to 5.5 V * Available as small package.( SOP-14pin ) s Block Diagram FOUT 32 kHz Output Control Comparator_W Alarm_W Register ( Min,Hour,Week ) Voltage Detect VDD Comparator_D Alarm_D Register ( Min,Hour ) OSC Divider Correc -tion Div. Time Counter ( Sec,Min,Hour,Week,Day,Month,Year ) OSC Detect Address Decoder Address Register I/O Control CLK DI DO CE / INT Interrupt Control Shift Register GND s Pin Assignment s Pin Descriptions Terminal Pin No. 2 3 5 6 7 10 11 12 13 CLK RX - 4045 SA Pin Assignment 10.1 #14 #8 FOUT 5.0 7.4 1. N.C. 2. CLK 3. FOUT 4. N.C. 5. TEST 6. VDD 7. CE 14. N.C. 13. DO 12. DI 11. GND 10. /INT 9. N.C. 8. N.C. Descriptions Serial clock input 32.768 kHz output (Nch open drain) TEST terminal TEST VDD CE /INT GND DI DO VDD Chip enable Interrupt output (Nch open drain) GND #1 #7 Data input Data output 3.2 1.27 0.35 Preliminary 2002.8 Ver.0.1 New Product s Specifications 1. Operating range Item Supply voltage Data holding voltage Operating temperature range Symbol Condition VDD VCLK TOPR Symbol Condition Min. 1.70 1.15 -40 Max. 5.5 5.5 +85 Max. 55 +10 / -120 5 Unit V V C Unit -6 X 10 -6 X 10 X 10 -6 2. Frequency characteristics Item Frequency tolerance Frequency temperature characteristics f / fo fa Ta=+25 C , VDD=3.0 V Ta=-10 ~ +70 C , VDD=3.0 V Ta=+25 C, VDD=3.0 V, First year Condition Aging 3. DC characteristics Item Current consumption Symbol Min. IDD VDETH VDETL Output=Open, VDD=3 V Ta = +25 C Ta = +25 C 1.90 1.15 Typ. 0.48 2.10 1.30 Max. 1.2 2.30 1.45 Unit A V V Backup mode VDD detect voltage (High) VDD detect voltage (Low) s Register table Address 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F Item SEC. MIN. HOUR WEEK DAY MONTH YEAR Digital offset Alarm_W ( MIN. ) Alarm_W ( HOUR ) Alarm_W ( WEEK ) Alarm_D ( MIN. ) Alarm_D ( HOUR ) Control register1 Control register 2 bit 7 20/19 Y80 0 WALE VDSL bit 6 S40 M40 Y40 F6 WM40 WW6 DM40 DALE VDET bit 5 S20 M20 H20 P/A D20 Y20 F5 WM20 WH20 WP/A WW5 DM20 DH20 DP/A 24/12 /XST bit 4 S10 M10 H10 D10 MO10 Y10 F4 WM10 WH10 WW4 DM10 DH10 /CLEN2 PON bit 3 S8 M8 H8 D8 MO8 Y8 F3 WM8 WH8 WW3 DM8 DH8 TEST /CLEN1 bit 2 S4 M4 H4 W4 D4 MO4 Y4 F2 WM4 WH4 WW2 DM4 DH4 CT2 CTFG bit 1 S2 M2 H2 W2 D2 MO2 Y2 F1 WM2 WH2 WW1 DM2 DH2 CT1 WAFG bit 0 S1 M1 H1 W1 D1 MO1 Y1 F0 WM1 WH1 WW0 DM1 DH1 CT0 DAFG RX-4045 Preliminary 2002.8 Ver 0.1 New Product NOTICE * The 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, applied circuit, program, using way etc., written in this material is just for reference. Seiko Epson does not assume any liability for the occurrence of infringing any patent or copyright of third party. This material does not authorize the licence for any patent or intellectual property rights. * Any product described in this material may contain technology or the subject relating to strategic prodects under the control of the Foreign Exchange and Foreign Trade Law of Japan and may require an export licence from the Ministry of international Trade and industry or other approval from another government agency. * The products(except for some product for automotive applications) listed up on this material are designed to be used with ordinary electronic equipment(OA equipment, AV equipment,communications equipment, measuring instruments etc). Seiko Epson does not assume any liability for the case using the products with the application required high reliability or safety extremely (such as aerospace equipment etc). When intending to use any our product with automotive application and the other application than ordinary electric equipments as above, please contact our sales representatives in advance. (c) SEIKO EPSON CORPORATION 2003 ELECTRONIC DEVICE MARKETING DEPARTMENT EPSON ELECTRONICS AMERICA, INC. 150 River Oaks Parkway, San Jose, CA 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 15, 80992 Munich, Germany Phone: (49)-(0)89-14005-0 Fax: (49)-(0)89-14005-110 EPSON (CHINA) CO., LTD. 23F, Beijing Silver Tower 2# North RD DongSangHuan ChaoYang District, Beijing, China Phone: (86) 10-6410-6655 Fax: (86) 10-6410-7319 Electronic devices information on WWW server EPSON HONG KONG LTD. 20/F., Harbour Centre, 25 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 Ren Road, Taipei 110 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, KLI 63 Building,60 Yoido-dong, Youngdeungpo-Ku, Seoul, 150-763, Korea Phone: (82) 2-784-6027 Fax: (82) 2-767-3677 RX-4045 Preliminary 2002.8 Ver 0.1 |
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