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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 36/51頁(yè) |
| 文件大?。?/td> | 444K |
| 代理商： | DS2490S |
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DS2490
41 of 50
SM
SM = 1 searches for and reports ROM Ids without really accessing a particular device.
SM = 0 makes a “Strong Access” to a particular device.
SPU
SPU = 1 inserts a strong pullup to 5V after a Bit or Byte or Block I/O or Do & Release
command.
SPU = 0 no strong pullup.
TYPE
TYPE = 1 specifies programming pulse duration.
TYPE = 0 specifies strong pullup duration.
Z
Z = 1 checks if the 0-bits in the byte to be written are 0-bits in the byte read back form
the device.
Z = 0 checks if the byte to be written is identical to the one read back from the device.
COMMUNICATION COMMANDS
SET DURATION
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
NTF
ICP
0
byte 1:
0
1
TYPE
0
1
IM
wIndex
byte 2
byte 1
byte 2 – 0x00 (unused)
byte 1 – new duration:
Unsigned 8-bit binary number specifying the new duration. See
MODE CONTROL section for byte bit weighting and additional
format information.
wLength
0x0000
PULSE
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
F
NTF
ICP
0
byte 1:
0
1
TYPE
0
IM
wIndex
0x0000
wLength
0x0000
1-WIRE RESET
Setup Packet Encoding:
bmRequestType
0x40
bRequest
COMM_CMD
wValue
byte 2
byte 1
byte 2:
0
PST
0
F
NTF
ICP
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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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