Posted on May 17, 2011 at 09:57Hi, The occurrence to get two EXTI interrupts lines asserted at the same time is quite miniature. In fact despite you are raising the interrupt 8 and 9 at aprox the same time, the GPIO pins may not have the same respon...
Posted on May 17, 2011 at 09:57Hi, To let the WIU sensitive to more than one external interrupt you should use the WIU (all) group instead of EXTIT1 group (as you have coded) In fact the WIU (all) group is a Logic OR of all 32 inputs of Wake-Up unit...
Posted on May 17, 2011 at 09:57Hello, The following paragraph is extracted from the STR9 reference manual ''9.3.4 Slave Select management The NSS Slave Select signal is output from the Master and received by the Slave.There are two cases depending o...
Posted on May 17, 2011 at 09:57Hi, the RTCSEL is the RTC calibration output selection. which is drived by ''C'' bit in ''RTC_CR'' register. Kind regrads, Eris [ This message was edited by: eris on 14-01-2009 15:26 ]
Posted on May 17, 2011 at 09:57Hi, You can download the last STR9 firmware library, directly from ST web site: http://www.st.com/stonline/products/support/micro/files/um0233.zipRegards, Eris.
