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參數(shù)資料
| 型號： | DS2490S |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Bus Controller |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PDSO24 |
| 封裝： | 0.300 INCH, SO-24 |
| 文件頁數(shù)： | 10/51頁 |
| 文件大小： | 444K |
| 代理商： | DS2490S |
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DS2490
18 of 50
Control Command Set Summary Table 13
Command
Function
RESET DEVICE
Perform a hardware reset.
START EXECUTION
Start execution of Communication commands.
RESUME EXECUTION
Resume execution of Communication commands.
HALT EXECUTION WHEN
IDLE
Halt Communication command execution when the 1-Wire bus is
idle.
HALT EXECUTION WHEN
DONE
Halt further Communication command execution when the current
command execution completes.
FLUSH COMM CMDS
Clear unexecuted Communication commands from the command
buffer.
FLUSH DATA RCV BUFFER
Clear the data receive buffer (data from a 1-Wire device).
FLUSH DATA XMT BUFFER
Clear the data transmit buffer (data to a 1-Wire device).
GET COMM CMDS
Retrieve unexecuted Communication commands from the command
buffer.
Control Command Set Descriptions:
RESET DEVICE—This command performs a hardware reset equivalent to the power-on reset. This
includes clearing all endpoint buffers and loading the Mode control registers with their default values.
START EXECUTION—This command starts execution of Communication commands. This command
is also required to start the execution of Communication commands with an IM (immediate execution
control) bit set to logic 0.
RESUME EXECUTION—This command is used to resume execution of a Communication command
that was halted with either of the HALT EXECUTION commands.
HALT EXECUTION WHEN IDLE—This command is used to halt the execution of the current
Communication command after the 1-Wire bus has returned to the idle state. Further Communication
command processing is stopped until a RESUME EXECUTION command is received. This command, or
the HALT EXECUTION WHEN DONE command, is also used to terminate a strong pullup or
programming pulse of semi-infinite or infinite duration.
HALT EXECUTION WHEN DONE—This command is used to halt the execution of a
Communication command after the current command execution is complete. Further Communication
command processing is stopped until a RESUME EXECUTION command is received. This command, or
the HALT EXECUTION WHEN IDLE command, is also used to terminate a strong pullup or
programming pulse of semi-infinite or infinite duration.
FLUSH COMM CMDS—This command is used to clear all unexecuted Communication commands
from the command FIFO. The DS2490 must be in a halted state before the FLUSH COMM CMDS
command can be processed.
FLUSH DATA RCV BUFFER—This command is used to clear EP3 receive data FIFO (data from 1-
Wire device). The DS2490 must be in a halted state before the FLUSH DATA RCV BUFFER command
can be processed.
相關(guān)PDF資料 |
PDF描述 |
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| DS2502P | 128 X 8 OTPROM, PDSO6 |
| DS2502S | 128 X 8 OTPROM, PDSO8 |
| DS2502 | 128 X 8 OTPROM, PBCY3 |
| DS2505/T&R | 16K X 1 OTPROM, PBCY3 |
| DS2505P | 16K X 1 OTPROM, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2490S+ | 制造商:Maxim Integrated Products 功能描述:USB TO 1-WIRE BRIDGE 24SOIC W - Rail/Tube 制造商:Maxim Integrated Products 功能描述:USB 1-W BRIDGE CHIP 24-SO LF 制造商:Maxim Integrated Products 功能描述:Bulk |
| DS2490S+T&R | 制造商:Maxim Integrated Products 功能描述:USB TO 1-WIRE BRIDGE 24SOIC W - Tape and Reel |
| DS2490S+TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:USB to 1-Wire Bridge Chip |
| DS2490X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB to 1-Wire Bridge Chip(468.41 k) |
| DS2490X/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 |
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