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參數(shù)資料
| 型號(hào)： | DS1486-120+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TIMEKEEPER RAM 128K 32-EDIP |
| 標(biāo)準(zhǔn)包裝： | 11 |
| 類型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | 警報(bào)器，閏年，NVSRAM，方波輸出，監(jiān)視計(jì)時(shí)器 |
| 存儲(chǔ)容量： | 128KB |
| 時(shí)間格式： | HH:MM:SS:hh（12/24 小時(shí)） |
| 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 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 32-DIP 模塊（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 32-EDIP |
| 包裝： | 管件 |
DS1486/DS1486P
7 of 14
WATCHDOG ALARM REGISTERS
Registers C and D contain the time for the Watchdog Alarm. The two registers contain a time count from
00.01 to 99.99 seconds in BCD. The value written into the Watchdog Alarm Registers can be written or
read in any order. Any access to Register C or D will cause the Watchdog Alarm to reinitialize and clears
the Watchdog Flag bit and the Watchdog Interrupt Output. When a new value is entered or the Watchdog
Registers are read, the Watchdog Timer will start counting down from the entered value to 0. When 0 is
reached, the Watchdog Interrupt Output will go to the active state. The Watchdog Timer Countdown is
interrupted and reinitialized back to the entered value every time either of the registers is accessed. In this
manner, controlled periodic accesses to the Watchdog Timer can prevent the Watchdog Alarm from
going to an active level. If access does not occur, countdown alarm will be repetitive. The Watchdog
Alarm Registers always read the entered value. The actual countdown register is internal and is not
readable. Writing registers C and D to 0 will disable the Watchdog Alarm feature.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1486-120+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1486-150 | 制造商:Maxim Integrated Products 功能描述:Real Time Clock, Non-Volatile, 32 Pin, Plastic, DIP |
| DS1486P | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:RAMified Watchdog Timekeeper |
| DS1486P-120 | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1486P-120+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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