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參數(shù)資料
| 型號： | X1209 |
| 英文描述： | Real Time Clock/Calendar with Event/Timestamp Detection & Alarms(帶有事件/時間標記檢測與報警功能的實時時鐘/日歷) |
| 中文描述： | 實時時鐘/日歷的事件/時間戳檢測 |
| 文件頁數(shù)： | 1/27頁 |
| 文件大?。?/td> | 511K |
| 代理商： | X1209 |
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REV 3.0 2/11/04
1 of 27
www.xicor.com
Preliminary Information
Real Time Clock/Calendar with Event/Timestamp Detection & Alarms
X1209
FEATURES
Real Time Clock/Calendar
—Tracks time in Hours, Minutes, and Seconds
—Day of the Week, Day, Month, and Year
Security and Event Functions
—Tamper detection with Time stamp
—Event alarm operation to 1.8V
—Low power operations. Selectable sampling
rates.
—Selectable Glitch filter on Event Monitor Input
Pulse Interrupt for periodic IRQ
Selectable Dividers for Various Frequency Out-
put
1 Polled Alarm
—Settable on the Second, Minute, Hour, Day of
the Week, Day, or Month
—Pulse Interrupt for periodic IRQ
Battery Switch or Super Cap Input
Battery Backup SRAM Timing and Alarm Regis-
ters
Power Failure Detection
Oscillator Compensation on chip
2 Bytes General Purpose SRAM
2-Wire Interface
—400kHz data transfer rate
Low Power CMOS
—< 1μA Operating Current
Small Package Options
—10-Lead MSOP and FCP (Flip chip)
APPLICATIONS
Security or Anti-Tampering Applications
Panel / Enclosure Status
Warranty Reporting
Time Stamping Applications
Event Recording / Data Logging
Patrol/Security Checkpoint Management
Facility Safety Check (Fire or Light Equipment)
Production Line Check & Management
Vending Machine Management
Other: Utility Meters, HVAC Equipment, Audio /
Video Components, Set Top Box / Television,
Modems, Network Routers, Hubs, Switches,
Bridges, Cellular Infrastructure Equipment,
Fixed Broadband Wireless Equipment, Pagers /
PDA, POS Equipment, Test Meters / Fixtures,
Data Acquisition Systems, Office Automation
(Copiers, Fax), Home Appliances, Computer
Products, Other Industrial / Medical / Automotive
Low Power, Battery Backup, 2-Wire
BLOCK DIAGRAM
X1
X2
Oscillator
Frequency
Divider
Timer
Calendar
Logic
32.768kHz
Control
Registers
Time
Keeping
Registers
(SRAM*)
Alarm Regs
(SRAM*)
Compare
M
IRQ / FOUT
Control
Decode
Logic
Alarm
(SRAM*)
SCL
SDA
Serial
Interface
Decoder
Interrupt
Enable
Registers
Status
(SRAM*)
Alarm
OSC
Compensation
*battery backup SRAM
General Purpose
SRAM
VBAT
VCC
VSS
VCC / Batt
Switch
EVIN
EVDET
Event
Detector
New Features
RTC with Time Stamp
Event Detection to 1.8V
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