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參數(shù)資料
| 型號： | DS1306 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 20/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC SERIAL ALARM 16-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，NVSRAM，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： | 2 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-PDIP |
| 包裝： | 管件 |
DS1306
7 of 22
registers is set to a logic 1. Similarly, an alarm is generated every minute when bit 7 of the day, hour, and
minute alarm registers is set to a logic 1. When bit 7 of the day, hour, minute, and seconds alarm registers
is set to a logic 1, an alarm occurs every second.
During each clock update, the RTC compares the Alarm 0 and Alarm 1 registers with the corresponding
clock registers. When a match occurs, the corresponding alarm flag bit in the status register is set to a 1. If
the corresponding alarm interrupt enable bit is enabled, an interrupt output is activated.
Table 2. TIME-OF-DAY ALARM MASK BITS
ALARM REGISTER MASK BITS (BIT 7)
SECONDS
MINUTES
HOURS
DAYS
FUNCTION
1
Alarm once per second
0
1
Alarm when seconds match
0
1
Alarm when minutes and seconds match
0
1
Alarm hours, minutes, and seconds match
0
Alarm day, hours, minutes and seconds match
SPECIAL PURPOSE REGISTERS
The DS1306 has three additional registers (control register, status register, and trickle charger register)
that control the real-time clock, interrupts, and trickle charger.
CONTROL REGISTER (READ 0Fh, WRITE 8Fh)
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
0
WP
0
1Hz
AIE1
AIE0
WP (Write Protect) – Before any write operation to the clock or RAM, this bit must be logic 0. When
high, the write protect bit prevents a write operation to any register, including bits 0, 1, and 2 of the
control register. Upon initial power-up, the state of the WP bit is undefined. Therefore, the WP bit should
be cleared before attempting to write to the device. When WP is set, it must be cleared before any other
control register bit can be written.
1Hz (1Hz Output Enable) – This bit controls the 1Hz output. When this bit is a logic 1, the 1Hz output
is enabled. When this bit is a logic 0, the 1Hz output is high-Z.
AIE0 (Alarm Interrupt Enable 0) – When set to a logic 1, this bit permits the interrupt 0 request flag
(IRQF0) bit in the status register to assert INT0 . When the AIE0 bit is set to logic 0, the IRQF0 bit does
not initiate the INT0 signal.
AIE1 (Alarm Interrupt Enable 1) – When set to a logic 1, this bit permits the interrupt 1 request flag
(IRQF1) bit in the status register to assert INT1. When the AIE1 bit is set to logic 0, the IRQF1 bit does
not initiate an interrupt signal, and the INT1 pin is set to a logic 0 state.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1306_05 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Serial Alarm Real-Time Clock |
| DS1306+ | 功能描述:實時時鐘 Serial Alarm RTC 3-Wire 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 |
| DS1306E | 功能描述:實時時鐘 Serial Alarm RTC 3-Wire 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 |
| DS1306E/T&R | 制造商:Maxim Integrated Products 功能描述:IC RTC SERIAL ALARM 20-TSSOP |
| DS1306E/T&R | 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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