铃木SAN
早上好。
50kHz,100kHz,400 kHz,均为I2C时钟的标准速度。规格中可以发现:https://www.nxp.com/docs/en/user-guide/um10204.pdf I2C标准规格。
因此,在我的心目中,I2C速度选择主机应该50kHz、100kHz,400khz要么。
此外,
如果I2C时钟设置为50kHz,它可以从主机50khz i2c_clk支持;
如果I2C从时钟设置为100kHz,它可以支持50kHz,100khz i2c_clk主机;
如果I2C时钟设置为400kHz,它可以支持50kHz、100kHz,400khz i2c_clk主机。
我希望我理解你的问题和上面的信息可以帮助你。
谢谢,
赖安
以上来自于百度翻译
以下为原文
Suzuki-san,
Good morning.
50kHz, 100kHz, 400kHz, all are standard speed of I2C clock. The spec can be found in I2C standard spec:
https://www.nxp.com/docs/en/user-guide/UM10204.pdf .
Hence, in my mind, I2C speed options of a host should be 50kHz, 100kHz, 400kHz either.
Besides,
if I2C slave clock is set as 50kHz, it can support 50kHz I2C_Clk from host;
if I2C slave clock is set as 100kHz, it can support 50kHz, 100kHz I2C_Clk from host;
if I2C slave clock is set as 400kHz, it can support 50kHz ,100kHz, 400kHz I2C_Clk from host.
I hope that I understood your questions correctly and above information can help you out.
Thanks,
Ryan
铃木SAN
早上好。
50kHz,100kHz,400 kHz,均为I2C时钟的标准速度。规格中可以发现:https://www.nxp.com/docs/en/user-guide/um10204.pdf I2C标准规格。
因此,在我的心目中,I2C速度选择主机应该50kHz、100kHz,400khz要么。
此外,
如果I2C时钟设置为50kHz,它可以从主机50khz i2c_clk支持;
如果I2C从时钟设置为100kHz,它可以支持50kHz,100khz i2c_clk主机;
如果I2C时钟设置为400kHz,它可以支持50kHz、100kHz,400khz i2c_clk主机。
我希望我理解你的问题和上面的信息可以帮助你。
谢谢,
赖安
以上来自于百度翻译
以下为原文
Suzuki-san,
Good morning.
50kHz, 100kHz, 400kHz, all are standard speed of I2C clock. The spec can be found in I2C standard spec:
https://www.nxp.com/docs/en/user-guide/UM10204.pdf .
Hence, in my mind, I2C speed options of a host should be 50kHz, 100kHz, 400kHz either.
Besides,
if I2C slave clock is set as 50kHz, it can support 50kHz I2C_Clk from host;
if I2C slave clock is set as 100kHz, it can support 50kHz, 100kHz I2C_Clk from host;
if I2C slave clock is set as 400kHz, it can support 50kHz ,100kHz, 400kHz I2C_Clk from host.
I hope that I understood your questions correctly and above information can help you out.
Thanks,
Ryan
举报