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SMBus

SMBus(SystemManagementBus,系統管理總線)是1995年由Intel提出的，應用于移動PC和桌面PC系統中的低速率通訊。希望通過一條廉價并且功能強大的總線（由兩條線組成），來控制主板上的設備并收集相應的信息。

PCA9538 8bit I2C bus and SMBus

The PCA9538 is a 16-pin CMOS device that provides 8 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when additional I/O is needed for ACPI powerswitches, sensors, push-buttons, LEDs, fans, etc.

標簽： SMBus 9538 8bit PCA

上傳時間： 2014-01-24

上傳用戶：youmo81
PCA9519 4通道I2C-bus SMBus 中繼器

PCA9519 是一個4 通道的I2C 總線/SMBus 中繼器，可以實現將低電壓兩線串行總線接口的處理器與標準的I2C 總線或SMBus I/O 相連。該中繼器在電平轉換中保持I2C 總線系統所有的模式和特點的同時，允許通過給數據總線（SDA）和時鐘總線（SCK）提供雙向緩沖區來擴展I2C 總線，從而使I2C 總線或SMBus 在高電壓下最大容限電容為400PF。SDA 和SCL 引腳具有耐壓保護功能，當PCA9519 掉電時，均呈現出高阻抗特性。

標簽： C-bus SMBus 9519 PCA

上傳時間： 2013-11-23

上傳用戶：brilliantchen
8-bit I2C-bus and SMBus IO port with reset

The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C-bus applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C-bus/SMBus interface. It has low current consumption and a high-impedance open-drain output pin, IO0. The system master can enable the PCA9557’s I/O as either input or output by writing to the configuration register. The system master can also invert the PCA9557 inputs by writing to the active HIGH polarity inversion register. Finally, the system master can reset the PCA9557 in the event of a time-out by asserting a LOW in the reset input. The power-on reset puts the registers in their default state and initializes the I2C-bus/SMBus state machine. The RESET pin causes the same reset/initialization to occur without de-powering the part.

標簽： C-bus SMBus reset port

上傳時間： 2014-01-18

上傳用戶：bs2005
PCA954X家庭的I C SMBus多路復用器與開關

The Philips family of Multiplexers and Switches consists of bi-directional translating switches controlled via the I2C or SMBus to fan out an upstream SCL/SDA pair to 2, 4 or 8 downstream channels of SCx/SDx pairs. The Multiplexers allow only one downstream channel to be selected at a time, while the Switches allow any individual downstream channel or combination of downstream channels to be selected, depending on the content of the programmable control register. Once one or several channels have been selected, the device acts as a wire, allowing the master on the upstream channel to send commands to devices on all the active downstream channels, and devices on the active downstream channels to communicate with each other and the master. External pull-up resistors are used to pull each individual channel up to the desired voltage level. Combined interrupt output and hardware reset input are device options that are featured.

標簽： SMBus 954X PCA 954

上傳時間： 2013-10-11

上傳用戶：dianxin61
8-bit IC and SMBus IO Port wit

The CAT9534 is an 8-bit parallel input/output portexpander for I²C and SMBus compatible applications.These I/O expanders provide a simple solution inapplications where additional I/Os are needed: sensors,power switches, LEDs, pushbuttons, and fans.The CAT9534 consists of an input port register, anoutput port register, a configuration register, a polarityinversion register and an I²C/SMBus-compatible serialinterface.

標簽： SMBus Port bit and

上傳時間： 2013-11-09

上傳用戶：liulinshan2010
SMBus中文版

中文版SMBus

標簽： SMBus

上傳時間： 2013-11-15

上傳用戶：日光微瀾
一本詳細SMBus的書籍

一本詳細SMBus的書籍，對希望詳細了解筆記本電腦各部件怎樣通信的人有很大的幫助

標簽： SMBus 書籍

上傳時間： 2013-12-15

上傳用戶：refent
可編程器件廠商Xilinx的用于設計SMBus 控制器的源程序

可編程器件廠商Xilinx的用于設計SMBus 控制器的源程序，包括完整的說明幫助，以及可以用于xlinx器件的可綜合的代碼

標簽： Xilinx SMBus 可編程器件廠商

上傳時間： 2015-04-29

上傳用戶：wab1981
單片機 020 SMBus i2c 程序

單片機 020 SMBus i2c 程序

標簽： SMBus 020 i2c 單片機

上傳時間： 2014-01-03

上傳用戶：kikye
C8051F005 SMBus SPI programme for FM25CL04 FM24CL04

C8051F005 SMBus SPI programme for FM25CL04 FM24CL04

標簽： C8051F005 programme SMBus 04

上傳時間： 2014-01-20

上傳用戶：ikemada

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SMBus

PCA9538 8bit I2C bus and SMBus

PCA9519 4通道I2C-bus SMBus 中繼器

8-bit I2C-bus and SMBus IO port with reset

PCA954X家庭的I C SMBus多路復用器與開關

8-bit IC and SMBus IO Port wit

SMBus中文版

一本詳細SMBus的書籍

可編程器件廠商Xilinx的用于設計SMBus 控制器的源程序

單片機 020 SMBus i2c 程序

C8051F005 SMBus SPI programme for FM25CL04 FM24CL04