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参数资料
| 型号： | DS2406P+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/32页 |
| 文件大小： | 0K |
| 描述： | IC SW DL ADDRESS W/1K MEM 6-TSOC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 4,000 |
| 应用： | 遥控，遥测 |
| 接口： | 1 线 |
| 电源电压： | 2.8 V ~ 6 V |
| 封装/外壳： | 6-LSOJ |
| 供应商设备封装： | 6-TSOC |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2406T | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1K-Bit Memory |
| DS2406V | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1K-Bit Memory |
| DS2406X | 功能描述:接口 - 专用 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| DS2407 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1K.Bit Memory |
| DS2407FP000 | 制造商:Thomas & Betts 功能描述:200A,CON,3P4W,MG,407,3P250V |
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