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參數(shù)資料
| 型號： | DS1315E-5 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TIME CHIP PHANTOM 5V 20-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 74 |
| 類型： | Phantom 計時芯片 |
| 特點： | 閏年 |
| 時間格式： | HH:MM:SS:hh（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.5 V ~ 3.7 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 管件 |
DS1315 Phantom Time Chip
7 of 21
Figure 4. ROM/Time Chip Interface
Time Chip Register Information
Time Chip information is contained in eight registers of 8 bits, each of which is sequentially accessed 1
bit at a time after the 64-bit pattern recognition sequence has been completed. When updating the Time
Chip registers, each must be handled in groups of 8 bits. Writing and reading individual bits within a
register could produce erroneous results. These read/write registers are defined in Figure 5.
Data contained in the Time Chip registers is in binary coded decimal format (BCD). Reading and writing
the registers is always accomplished by stepping though all eight registers, starting with bit 0 of register 0
and ending with bit 7 of register 7.
AM/PM/12/24-Mode
Bit 7 of the hours register is defined as the 12- or 24-hour mode select bit. When high, the 12-hour mode
is selected. In the 12-hour mode, bit 5 is the AM/PM bit with logic high being PM. In the 24-hour mode,
bit 5 is the 20-hour bit (20-23 hours).
Oscillator and Reset Bits
Bits 4 and 5 of the day register are used to control the reset and oscillator functions. Bit 4 controls the
reset pin input. When the reset bit is set to logic 1, the reset input pin is ignored. When the reset bit is set
to logic 0, a low input on the reset pin will cause the Time Chip to abort data transfer without changing
data in the timekeeping registers. Reset operates independently of all other in-puts. Bit 5 controls the
oscillator. When set to logic 0, the oscillator turns on and the real time clock/calendar begins to
increment.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1315E-5+ | 功能描述:實時時鐘 Phantom Time Chip RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1315E-5V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
| DS1315EN-33 | 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1315EN-33/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Phantom Time Chip |
| DS1315EN-33/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Phantom Time Chip |
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