富士通单片机MB902420系列 extINT Project: All external Interrupt-Pins INT0 .. INT7 will be enabled. A falling edge on INTx will toggle PDR4_P4x in order to toggle the LEDx of the Flash-CAN-100P Board e.g. falling edge on INT3 will result in LED D3 will toggleP47..P40 (UserLEDs of FlashCan100P) and will send out again as byte-packages to ID#2 Receive-Buffer #1 : basic can Transmit-Buffer #6 : full-can ID #2