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參數(shù)資料
| 型號： | DS2490Y |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/50頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BRIDGE CLIP USB TO 1-W 24SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 應(yīng)用： | USB |
| 接口： | 1 線 |
| 電源電壓： | 3 V ~ 5.5 V |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
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DS2490
20 of 50
Communication Command Set Descriptions:
SET DURATION—This command changes the State Register pulse duration value for the strong pullup.
The new duration value is loaded into the duration register as detailed in Appendix 2. The duration value
can alternatively be changed using a Mode command. The new duration setting remains effective until
changed by another SET DURATION or MODE Command. See section “MODE COMMANDS” for
duration parameter value setting.
Note:
An infinite duration pulse is terminated by using either of the HALT EXECUTION Control commands.
To resume 1-Wire activity after the termination, use the RESUME EXECUTION Control command.
Command parameters:
1 byte specifying the new duration.
EP2 data:
None, this command gets its input data as a command parameter.
EP3 data:
None
Result Register:
If ICP = 1: no result data is generated.
If ICP = 0 and NTF = 1: a result value of 0x00 will be generated.
If IPC = 0 and NTF = 0: no result data is generated since there are no
error codes associated with this command.
PULSE—This command is used to generate a strong pullup to 5V in order to provide extra power for an
attached iButton device, e.g., temperature sensor, EEPROM, SHA-1, or crypto iButton. The pulse
duration is determined by the value in the mode register.
Command parameters:
None
EP2 data:
None
EP3 data:
None
Result Register:
Code
Condition
0x00
ICP = 0, NTF = 1: no error detected
None
ICP = 0, NTF = 0: no error detected
None
ICP = 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2490Y+ | 制造商:Maxim Integrated Products 功能描述:USB TO 1-WIRE BRIDGE 24SOIC W - Tape and Reel |
| DS24B33 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
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