阅读:2797回复:16
I2C中的Host Device究竟是指什么?
:)
|
|
|
沙发#
发布于:2004-05-10 10:18
确切的说,是SMBus Host
|
|
|
板凳#
发布于:2004-05-10 10:29
SMBus Host: A system that communicates with SMBus device.It usually will embody some or all of a system\'s power management control.To accomplish this, it communicates with the Smart Battery and uses this infomation in excecuting its power management policy.
|
|
|
地板#
发布于:2004-05-10 10:34
So SMBus,may be EC,may be chipset\'s built-in SMBus contrller,such as PIIX4/ICH.
|
|
|
地下室#
发布于:2004-05-10 10:42
太深奥了,好多名词都看不懂,你能解释一下吗?
|
|
|
5楼#
发布于:2004-05-10 10:45
SM bus host 就是能主动控制/读取其它client设备(如battery等)的设备吧
|
|
|
6楼#
发布于:2004-05-10 10:48
不只是,还要有power management control
|
|
|
7楼#
发布于:2004-05-10 11:02
power management control就是风扇转速,speed step等动作吧,他们也是SMBus host的要控制的事情。SM=system management, 你可以去看看DDK上面的描述,其实它是微软定义的东西。
|
|
|
8楼#
发布于:2004-05-10 11:04
继续钻研
|
|
|
9楼#
发布于:2004-05-11 23:52
ding
|
|
|
10楼#
发布于:2004-05-12 18:41
Host must support the host notify protocol. Host may implement the optional #SMBALERT line if devices in the system use it. then it is Host device.
|
|
|
11楼#
发布于:2004-05-12 22:28
I2C的一中通信协议,Host Device是主动决定和那个从设备通信的设备.
|
|
12楼#
发布于:2004-05-13 10:08
那么master和host是什么关系呢,传输是由master发起的,是host决定master在什么时候发起传输吗?
|
|
|
13楼#
发布于:2004-05-13 13:06
建议看看I2C的SPEC,可能对你的理解有所帮助。
|
|
|
14楼#
发布于:2004-05-18 09:39
SMBus Host是指需要smart battery的
|
|
|
15楼#
发布于:2004-05-18 10:00
SMBus Host在
|
|
|
16楼#
发布于:2004-05-18 10:01
呃
|
|
|