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參數(shù)資料
| 型號： | DS2417P |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO6 |
| 封裝： | TSOC-6 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 162K |
| 代理商： | DS2417P |
DS2417
OVERVIEW
The DS2417 has two main data components: 1) 64-bit lasered ROM, and 2) real-time clock counter
(Figure 1). The real-time clock utilizes an on-chip oscillator that is connected to an external 32.768kHz
crystal. The hierarchical structure of the 1-Wire protocol is shown in Figure 2. The bus master must first
provide one of four ROM function commands: 1) Read ROM, 2) Match ROM, 3) Search ROM, 4) Skip
ROM. The protocol for these ROM functions is described in Figure 7. After a ROM function command
is successfully executed, the real-time clock functions become accessible and the master may then
provide one of the real-time clock function commands. The protocol for these commands is described in
Figure 5. All data is read and written least significant bit first.
DETAILED PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
GND
Ground Pin
2
1-Wire
Data input/output Open drain.
3
INT
Interrupt pin Open drain.
4
VDD
Power input pin. 2.5V to 5.5V.
5, 6
X1, X2
Crystal pins. Connections for a standard 32.768kHz quartz crystal, EPSON part
number C-002RX or C-004R (be sure to request 6pF load capacitance).
NOTE: X1 and X2 are very high impedance nodes. It is recommended that they
and the crystal be guard-ringed with ground and that high frequency signals be
kept away from the crystal area. See Figure 10 and Application Note 58 for de-
tails.
BLOCK DIAGRAM Figure 1
INT
2 of 15
X1
X2
32.768 kHz
OSC./DIVIDER
ROM
CONTROL
FUNCTION
64-BIT
LASERED
1-WIRE
ROM
CLOCK
FUNCTION
CONTROL
RTC COUNTER (32-BIT)
OSCILLATOR
CONTROL
READ/WRITE BUFFER
INT. GENERATOR
INT\
VDD
1 Hz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2422X | SPECIALTY MEMORY CIRCUIT, UUC |
| DS2423P/T&R | SPECIALTY MEMORY CIRCUIT, PDSO6 |
| DS2423P | SPECIALTY MEMORY CIRCUIT, PDSO6 |
| DS2423X | SPECIALTY MEMORY CIRCUIT, UUC |
| DS2423 | 4K X 1 STANDARD SRAM, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2417P/T&R | 制造商:Maxim Integrated Products 功能描述:IC TIMECHIP W/INTRPT 1WIRE 6TSOC |
| DS2417P/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 |
| DS2417P+ | 功能描述:實時時鐘 1-Wire w/Interrupt 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 |
| DS2417P+T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 6PIN TSOC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TIMECHIP W/INTRPT 1WIRE 6TSOC 制造商:Maxim Integrated Products 功能描述:Real Time Clock 1-Wire w/Interrupt |
| DS2417P+T&R | 功能描述:實時時鐘 1-Wire w/Interrupt 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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