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參數(shù)資料
| 型號： | DS1337U |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC SERIAL 2WIRE LP 8-USOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，方波輸出，涓流充電器 |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 1.8 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.3 V ~ 1.8 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 管件 |
DS1337 I
2C Serial Real-Time Clock
Table 3. Alarm Mask Bits
ALARM 1 REGISTER MASK BITS
(BIT 7)
DY/DT
A1M4
A1M3
A1M2
A1M1
ALARM RATE
X
1
Alarm once per second
X
1
0
Alarm when seconds match
X
1
0
Alarm when minutes and seconds match
X
1
0
Alarm when hours, minutes, and seconds match
0
Alarm when date, hours, minutes, and seconds
match
1
0
Alarm when day, hours, minutes, and seconds match
ALARM 2 REGISTER MASK BITS
(BIT 7)
DY/DT
A2M4
A2M3
A2M2
ALARM RATE
X
1
Alarm once per minute (00 seconds of every minute)
X
1
0
Alarm when minutes match
X
1
0
Alarm when hours and minutes match
0
Alarm when date, hours, and minutes match
1
0
Alarm when day, hours, and minutes match
SPECIAL-PURPOSE REGISTERS
The DS1337 has two additional registers (control and status) that control the RTC, alarms, and square-wave
output.
Control Register (0Eh)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
EOSC
0
RS2
RS1
INTCN
A2IE
A1IE
Bit 7: Enable Oscillator (EOSC). This active-low bit when set to logic 0 starts the oscillator. When this bit is set to
logic 1, the oscillator is stopped. This bit is enabled (logic 0) when power is first applied.
Bits 4 and 3: Rate Select (RS2 and RS1). These bits control the frequency of the square-wave output when the
square wave has been enabled. The table below shows the square-wave frequencies that can be selected with the
RS bits. These bits are both set to logic 1 (32kHz) when power is first applied.
SQW/INTB Output
INTCN
RS2
RS1
SQW/INTB
OUTPUT
A2IE
0
1Hz
X
0
1
4.096kHz
X
0
1
0
8.192kHz
X
0
1
32.768kHz
X
1
X
A2F
1
Bit 2: Interrupt Control (INTCN). This bit controls the relationship between the two alarms and the interrupt output
pins. When the INTCN bit is set to logic 1, a match between the timekeeping registers and the alarm 1 registers l
activates the
INTA pin (provided that the alarm is enabled) and a match between the timekeeping registers and the
alarm 2 registers activates the SQW/
INTB pin (provided that the alarm is enabled). When the INTCN bit is set to
logic 0, a square wave is output on the SQW/
INTB pin. This bit is set to logic 0 when power is first applied.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1337U/T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC SERIAL 2WIRE LP 8-USOP 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C Serial RTC |
| DS1337U/T&R | 功能描述:實時時鐘 I2C Serial RTC 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1337U+ | 功能描述:實時時鐘 I2C Serial RTC 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1337U+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) |
| DS1337U+T&R | 制造商:Maxim Integrated Products 功能描述:SERIAL RTC 8PIN USOP TRL LEADFREE 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC SERIAL 2WIRE LP 8-USOP 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C Serial RTC |
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