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參數(shù)資料
| 型號： | DS1343E-33+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC SPI 3.3V 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 時鐘/日歷 |
| 特點(diǎn)： | 警報(bào)器，閏年，NVRAM，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： | 3 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
13
Maxim Integrated
Low-Current SPI/3-Wire RTCs
DS1343/DS1344
Control Register (0Fh)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
EOSC
X
DOSF
EGFIL
SQW
INTCN
A1IE
A0IE
1
0
BIT 7
EOSC: Enable oscillator. During battery backup, when EOSC is set to 0, the oscillator is enabled during back-
up operation. When set to 1, the oscillator is stopped when the device is powered by the backup supply. This
bit is set to logic 1 on the initial application of power.
BIT 6
Not used.
BIT 5
DOSF: Disable oscillator stop flag. When the DOSF bit is set to 1, sensing of the oscillator conditions that
would set the OSF bit are disabled. OSF remains at 0 regardless of what happens to the oscillator. This bit is
cleared (0) on the initial application of power.
BIT 4
EGFIL: Enable glitch filter. When the EGFIL bit is 1, the 5Fs glitch filter at the output of crystal oscillator is
enabled. The glitch filter is disabled when this bit is 0. This bit is cleared (0) on the initial application of power.
BIT 3
SQW: Enable square wave. When the SQW bit is set to 1, a 32kHz square wave is output on the INT1 output.
This bit is cleared (0) on the initial application of power.
BIT 2
INTCN: Interrupt control. This bit controls the relationship between the two time-of-day alarms and the two
interrupt output pins. When the INTCN bit is 1, a match between the timekeeping registers and the Alarm
0 registers activates the INT0 output (provided A0IE = 1), and a match between the timekeeping registers
and the Alarm 1 registers activates the INT1 output (provided A1IE = 1). When the INTCN bit is 0, a match
between the timekeeping registers and either the Alarm 0 registers or Alarm 1 registers activates the INT0 out-
put (provided A0IE = A1IE = 1). The INT1 output has no function when INTCN = 0. The INTCN bit is cleared
(0) on the initial application of power.
BIT 1
A1IE: Alarm 1 interrupt enable. When A1IE is set to 0, the Alarm 1 interrupt function is disabled. When A1IE
is 1, the Alarm 1 interrupt function is enabled and is routed to either INT0 (if INTCN = 0) or INT1 (if INTCN
= 1). Regardless of the state of A1IE, a match between the timekeeping registers and the Alarm 1 registers
(0Bh–0Eh) sets the interrupt request 1 flag bit (IRQF1). The A1IE bit is cleared (0) when power is first applied.
BIT 0
A0IE: Alarm 0 interrupt enable. When A0IE is set to 0, the Alarm 0 interrupt function is disabled. When A0IE
is 1, the Alarm 0 interrupt function is enabled and is routed to INT0. Regardless of the state of A0IE, a match
between the timekeeping registers and the Alarm 0 registers (07h–0Ah) sets the interrupt register 0 flag bit
(IRQF0). The A0IE bit is cleared (0) when power is first applied.
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| DS1344 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Current SPI/3-Wire RTCs |
| DS1344D-18+ | 功能描述:實(shí)時時鐘 Low-Current SPI/3-Wire 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 |
| DS1344D-18+T&R | 制造商:Maxim Integrated Products 功能描述:SPI RTC 14P TDFN 1.8V 12.5PF AM T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC SPI 1.8V 14TDFN-EP 制造商:Maxim Integrated Products 功能描述:Real Time Clock Low-Current SPI/3-Wire RTC |
| DS1344D-18+T&R | 功能描述:實(shí)時時鐘 Low-Current SPI/3-Wire 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 |
| DS1344D-3+ | 功能描述:實(shí)時時鐘 Low-Current SPI/3-Wire 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 |
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