topic Re: lpc1113/302  I2C not working after BOD active in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/lpc1113-302-I2C-not-working-after-BOD-active/m-p/740036#M29844 <HTML><HEAD></HEAD><BODY><P>Found the problem.&nbsp; The I2C routines use an interrupt and if the priority isn't higher than the BOD interrupt, it isn't serviced. The controller does support nested interrupts but the priority of the nested interrupt must be higher. By default priorities are all set the same so the "nested" won't be serviced.</P></BODY></HTML> Thu, 25 Jan 2018 14:42:48 GMT chrisconover 2018-01-25T14:42:48Z lpc1113/302 I2C not working after BOD active https://community.nxp.com/t5/LPC-Microcontrollers/lpc1113-302-I2C-not-working-after-BOD-active/m-p/740035#M29843 <HTML><HEAD></HEAD><BODY><P>After entering BOD interrupt handler, I2C doesn't work.&nbsp; No activity on SDA,SCL.&nbsp; I2C and syscon registers haven't changed.&nbsp; Is BOd mode doing some kind of power down mode?</P></BODY></HTML> Sat, 20 Jan 2018 23:25:31 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpc1113-302-I2C-not-working-after-BOD-active/m-p/740035#M29843 chrisconover 2018-01-20T23:25:31Z Re: lpc1113/302  I2C not working after BOD active https://community.nxp.com/t5/LPC-Microcontrollers/lpc1113-302-I2C-not-working-after-BOD-active/m-p/740036#M29844 <HTML><HEAD></HEAD><BODY><P>Found the problem.&nbsp; The I2C routines use an interrupt and if the priority isn't higher than the BOD interrupt, it isn't serviced. The controller does support nested interrupts but the priority of the nested interrupt must be higher. By default priorities are all set the same so the "nested" won't be serviced.</P></BODY></HTML> Thu, 25 Jan 2018 14:42:48 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpc1113-302-I2C-not-working-after-BOD-active/m-p/740036#M29844 chrisconover 2018-01-25T14:42:48Z