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參數(shù)資料
| 型號(hào)： | DS1284Q |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TIMEKEEPER WATCHDOG 28-PLCC |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 類型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | 警報(bào)器，閏年，方波輸出，SRAM，監(jiān)視計(jì)時(shí)器 |
| 存儲(chǔ)容量： | 50B |
| 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 |
| 電壓 - 電源，電池： | 2.4 V ~ 3.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 管件 |
DS1284/DS1286
8 of 18
interrupt output goes to the active state, which is determined by bits 0, 4, 5, and 6 of the command
register.
Bit 1: Watchdog Alarm Flag (WAF). When this bit is set internally to logic 1, a watchdog alarm has
occurred. This bit is read-only and writing this register has no effect on the bit. The bit is reset when any
of the watchdog alarm registers are accessed. The WAM bit has no effect on the operation of this bit. If
pulse mode (PU/LVL = 1) is selected, the watchdog continues to run and the flag is internally written to 0
at the end of the pulse. The WAM bit has no effect on the operation of this bit.
Bit 0: Time-of-Day Alarm Flag (TDF). When this bit is set internally to a logic 1, indicates that a match
with the time-of-day alarm registers has occurred. This bit is read-only and writing this register has no
effect on the bit. The time of the alarm can be determined by reading the time-of-day alarm registers. The
bit is reset when any of the time-of-day alarm registers are read. The TDM bit has no effect on the
operation of this bit.
Figure 3. Time-of-Day Alarm Mask Bits
REGISTER
(03h)
MINUTES
(05h)
HOURS
(07h)
DAYS
FUNCTION
1
Alarm once per minute
0
1
Alarm when minutes match
0
1
Alarm when hours and minutes match
0
Alarm when hours, minutes, and days match
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1284Q/T&R | 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER WATCHDOG 28-PLCC |
| DS1284Q/T&R | 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 |
| DS1284Q/T&R/C03 | 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 |
| DS1284Q/T&R/C07 | 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 |
| DS1284Q+ | 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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