8-bit MicrocontrollersのトピックProblem losing serial pin on MC9S08AC16 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-losing-serial-pin-on-MC9S08AC16/m-p/311296#M20729 <HTML><HEAD></HEAD><BODY><P>Have had a high failure rate of the receive pin on SCI on MN9S08AC16 in SDIP package pin 13 PortE1 10-15%. The chip is in a remote display that connects to serial RS232 communications, there is RS232 to logic level circuity before the pin. On bad chip can set pin to output and switch data between high and low but pin is always low. A field engineer from freescale thought it was electrostatic discharge but the room is tile and we have never had this problem in the past. Anyone have any problem with losing chips to electrostatic discharge or have any ideas?</P><DIV class="column"><P><SPAN style="font-size: 12.000000pt; font-family: 'TimesNewRomanPSMT';"> <BR /></SPAN></P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P></DIV></BODY></HTML> Tue, 06 May 2014 23:25:10 GMT nickky 2014-05-06T23:25:10Z Problem losing serial pin on MC9S08AC16 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-losing-serial-pin-on-MC9S08AC16/m-p/311296#M20729 <HTML><HEAD></HEAD><BODY><P>Have had a high failure rate of the receive pin on SCI on MN9S08AC16 in SDIP package pin 13 PortE1 10-15%. The chip is in a remote display that connects to serial RS232 communications, there is RS232 to logic level circuity before the pin. On bad chip can set pin to output and switch data between high and low but pin is always low. A field engineer from freescale thought it was electrostatic discharge but the room is tile and we have never had this problem in the past. Anyone have any problem with losing chips to electrostatic discharge or have any ideas?</P><DIV class="column"><P><SPAN style="font-size: 12.000000pt; font-family: 'TimesNewRomanPSMT';"> <BR /></SPAN></P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P></DIV></BODY></HTML> Tue, 06 May 2014 23:25:10 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-losing-serial-pin-on-MC9S08AC16/m-p/311296#M20729 nickky 2014-05-06T23:25:10Z Re: Problem losing serial pin on MC9S08AC16 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-losing-serial-pin-on-MC9S08AC16/m-p/311297#M20730 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Thank you for your post, however please consider moving it to the right community place (e.g. <A href="https://community.nxp.com/space/2016">8-bit Microcontrollers</A> )&nbsp; to get it visible for active members.</P><P>For details please see general advice <A href="https://community.nxp.com/docs/DOC-99909">Where to post a Discussion?</A> </P><P></P><P>Thank you for using Freescale Community. </P></BODY></HTML> Wed, 07 May 2014 12:34:50 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-losing-serial-pin-on-MC9S08AC16/m-p/311297#M20730 Wlodek_D_ 2014-05-07T12:34:50Z