參數(shù)資料
型號(hào)： DS2406P+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 9/32頁(yè)
文件大?。?/td> 0K
描述： IC SW ADDRESS DL W/1K MEM 6-TSOC
產(chǎn)品培訓(xùn)模塊： 1-Wire Communications
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 120
應(yīng)用： 遙控，遙測(cè)
接口： 1 線
電源電壓： 2.8 V ~ 6 V
封裝/外殼： 6-LSOJ
供應(yīng)商設(shè)備封裝： 6-TSOC
包裝： 管件
安裝類型： 表面貼裝
產(chǎn)品目錄頁(yè)面： 1429 (CN2011-ZH PDF)
DS2406
17 of 32
TWO-CHANNEL WRITE Figure 10c
1-WIRE
td1
PIO-A
15 s < td1 < 60 s
200 ns < td0 < 300 ns
PIO-B
PIO-A
PIO-B
IC=1, SYNCHRONOUS MODE
IC=0, ASYNCHRONOUS MODE
A1
B1
A2
B2
A3
B3
A4
B4
A1
A2
A3
A4
B1
B2
B3
B4
A1
A2
A3
A4
B1
B2
B3
B4
td0
1-WIRE BUS SYSTEM
The 1-Wire bus is a system, which has a single bus master and one or more slaves. In all instances, the
DS2406 is a slave device. The bus master is typically a microcontroller. The discussion of this bus
system is broken down into three topics: hardware configuration, transaction sequence, and 1-Wire
signaling (signal types and timing). A 1-Wire protocol defines bus transactions in terms of the bus state
during specified time slots that are initiated on the falling edge of sync pulses from the bus master.
HARDWARE CONFIGURATION
The 1-Wire bus has only a single line by definition; it is important that each device on the bus be able to
drive it at the appropriate time. To facilitate this, each device attached to the 1-Wire bus must have an
open drain or 3-state outputs. The 1-Wire port of the DS2406 is open drain with an internal circuit
equivalent to that shown in Figure 11. Typical bus master ports are shown in Figure 12. If a bi-directional
pin is not available, separate output and input pins can be tied together. A multidrop bus consists of a 1-
Wire bus with multiple slaves attached. The 1-Wire bus has a maximum data rate of 15.4kbits/s. For
normal communication excluding EPROM programming the 1-Wire bus requires only a pull-up resistor
of approximately 5k
Ω for short line lengths.
The idle state for the 1-Wire bus is high. If, for any reason a transaction needs to be suspended, the bus
MUST be left in the idle state if the transaction is to resume. If this does not occur and the bus is left low
for more than 120s, one or more of the devices on the bus may be reset. If the 1-Wire bus remains low
for more than 5ms any DS2406 that is not VCC powered may perform a power-on reset and switch off
both PIOs.
TRANSACTION SEQUENCE
The sequence for accessing the DS2406 via the 1-Wire port is as follows:
Initialization
ROM Function Command
Memory or Channel Access Function Command
Transaction/Data
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2406P/R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1kbit Memory
DS2406P/T 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1kbit Memory
DS2406P/T&R 制造商:Maxim Integrated Products 功能描述:IC SW DL ADDRESS W/1K MEM 6-TSOC
DS2406P/T&R 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
DS2406P/TR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC
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