topic 56F8257 I2C slave timming restriction in Digital Signal Controllers https://community.nxp.com/t5/Digital-Signal-Controllers/56F8257-I2C-slave-timming-restriction/m-p/729462#M1163 <HTML><HEAD></HEAD><BODY><P>Hi:</P><P></P><P>I want to ask question for 56F8257 I2C working as slave,</P><P></P><P>1.from the DS, the I2C only support up to 100Kbit frequency, does it also available for I2C slave mode?</P><P></P><P>2.The Processor Experter &nbsp;tool could set I2C peripherals faster than 100KHz, is it wrong?</P><P><SPAN class="">I2C</SPAN><SPAN class="">x</SPAN><SPAN class="">_FREQDIV</SPAN>&nbsp; doesn't wrote any&nbsp;restriction for SCL frequency.</P><P></P><P>3.if i2c work under slave mode, if the master driver SCL frequency fast than 100K, could any&nbsp;abnormal signal be possible? please help check below snapshot for I2C wave working under 250KHz as slave.</P><P><span class="lia-inline-image-display-wrapper" image-alt="8257.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/33532iD27B838181F2C18D/image-size/large?v=v2&amp;px=999" role="button" title="8257.png" alt="8257.png" /></span></P></BODY></HTML> Wed, 22 Nov 2017 14:52:47 GMT daweiyou 2017-11-22T14:52:47Z 56F8257 I2C slave timming restriction https://community.nxp.com/t5/Digital-Signal-Controllers/56F8257-I2C-slave-timming-restriction/m-p/729462#M1163 <HTML><HEAD></HEAD><BODY><P>Hi:</P><P></P><P>I want to ask question for 56F8257 I2C working as slave,</P><P></P><P>1.from the DS, the I2C only support up to 100Kbit frequency, does it also available for I2C slave mode?</P><P></P><P>2.The Processor Experter &nbsp;tool could set I2C peripherals faster than 100KHz, is it wrong?</P><P><SPAN class="">I2C</SPAN><SPAN class="">x</SPAN><SPAN class="">_FREQDIV</SPAN>&nbsp; doesn't wrote any&nbsp;restriction for SCL frequency.</P><P></P><P>3.if i2c work under slave mode, if the master driver SCL frequency fast than 100K, could any&nbsp;abnormal signal be possible? please help check below snapshot for I2C wave working under 250KHz as slave.</P><P><span class="lia-inline-image-display-wrapper" image-alt="8257.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/33532iD27B838181F2C18D/image-size/large?v=v2&amp;px=999" role="button" title="8257.png" alt="8257.png" /></span></P></BODY></HTML> Wed, 22 Nov 2017 14:52:47 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/56F8257-I2C-slave-timming-restriction/m-p/729462#M1163 daweiyou 2017-11-22T14:52:47Z