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    參數(shù)資料
    型號: DS1343D-18+T&R
    廠商: Maxim Integrated Products
    文件頁數(shù): 4/20頁
    文件大小: 0K
    描述: IC RTC SPI 1.8V 14TDFN-EP
    產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
    Obsolescence Mitigation Program
    標準包裝: 1
    類型: 時鐘/日歷
    特點: 警報器,閏年,NVRAM,方波輸出,涓流充電器
    存儲容量: 96B
    時間格式: HH:MM:SS(12/24 小時)
    數(shù)據(jù)格式: YY-MM-DD-dd
    接口: SPI
    電源電壓: 1.71 V ~ 5.5 V
    電壓 - 電源,電池: 1.3 V ~ 5.5 V
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 14-WFDFN 裸露焊盤
    供應商設備封裝: 14-TDFN-EP(3x3)
    包裝: 標準包裝
    其它名稱: DS1343D-18+T&RDKR
    12
    Maxim Integrated
    Low-Current SPI/3-Wire RTCs
    DS1343/DS1344
    Table 1. Register Map
    Table 2. Alarm Mask Bits
    Note: Bits listed as 0 always read back as 0 and cannot be written to 1.
    ADDRESS
    BIT 7
    MSB
    BIT 6
    BIT 5
    BIT 4
    BIT 3
    BIT 2
    BIT 1
    BIT 0
    LSB
    FUNCTION
    RANGE
    00h
    0
    10 Seconds
    Seconds
    00–59
    01h
    0
    10 Minutes
    Minutes
    00–59
    02h
    0
    12/24
    AM/PM
    10
    Hours
    Hour
    Hours
    1–12 +
    AM/PM
    00–23
    20
    Hours
    03h
    0
    Day
    1–7
    04h
    0
    10 Date
    Date
    01–31
    05h
    Century
    0
    10
    Month
    Month/
    Century
    01–12 +
    Century
    06h
    10 Year
    Year
    00–99
    07h
    A0M1
    10 Seconds
    Seconds
    Alarm 0
    Seconds
    00–59
    08h
    A0M2
    10 Minutes
    Minutes
    Alarm 0
    Minutes
    00–59
    09h
    A0M3
    12/24
    AM/PM
    10
    Hours
    Hour
    Alarm 0 Hours
    1–12 +
    AM/PM
    00–23
    20
    Hours
    0Ah
    A0M4
    0
    Day
    Alarm 0 Day
    1–7
    0Bh
    A1M1
    10 Seconds
    Seconds
    Alarm 1
    Seconds
    00–59
    0Ch
    A1M2
    10 Minutes
    Minutes
    Alarm 1
    Minutes
    00–59
    0Dh
    A1M3
    12/24
    AM/PM
    10
    Hours
    Hour
    Alarm 1 Hours
    1–12 +
    AM/PM
    00–23
    20
    Hours
    0Eh
    A1M4
    0
    Day
    Alarm 1 Day
    1–7
    0Fh
    EOSC
    X
    DOSF
    EGFIL
    SQW
    INTCN
    A1IE
    A0IE
    Control
    10h
    OSF
    0
    IRQF1
    IRQF0
    Status
    11h
    TCS3
    TCS2
    TCS1
    TCS0
    DS1
    DS0
    RS1
    RS0
    Trickle
    Charger
    12h–1Fh
    Reserved
    20h–7Fh
    User RAM
    00h–FFh
    ALARM REGISTER MASK BITS (BIT 7)
    ALARM RATE
    A_M4
    A_M3
    A_M2
    A_M1
    1
    Alarm once a second
    1
    0
    Alarm when seconds match
    1
    0
    Alarm when minutes and seconds match
    1
    0
    Alarm when hours, minutes, and seconds match
    0
    Alarm when day, hours, minutes, and seconds match
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