Posted on May 17, 2011 at 12:39Hello, I understand that there are 18-19 interrupt vectors associated with port pins. Using EXTI0 as an example, Pin 0 from all Ports A thru E are OR'd together for EXTI0. If PA0 and PB0 are both used a external interr...

Posted on July 05, 2005 at 20:25I have an uninitialized RAM variable at 0x87F on a ST72F321 that is checked after RESET to determine if BootBlcok should be executed, or if the MainApp should be executed. This variable is set equal to 0xBB by the Mai...