s3c44b0 under external interrupt the test. With the keys and serial shows.

external_interrupt
..................\amrtest.mcp
..................\amrtest_Data
..................\............\CWSettingsWindows.stg
..................\............\Debug
..................\............\DebugRel
..................\............\........\amrtest.axf
..................\............\........\amrtest.bin
..................\............\........\ObjectCode
..................\............\........\..........\44BINIT.o
..................\............\........\..........\44blib.o
..................\............\........\..........\exinttest.o
..................\............\........\..........\MAIN.o
..................\............\........\..........\Memcfg.o
..................\............\........\..........\option.o
..................\............\........\TargetDataWindows.tdt
..................\............\Release
..................\exinttest.c
..................\MAIN.C
..................\readme.txt
..................\Target
..................\......\44B.H
..................\......\44BINIT.S
..................\......\44blib.c
..................\......\44blib.c.ttt
..................\......\44blib.H
..................\......\DEF.H
..................\......\Memcfg.s
..................\......\OPTION.H
..................\......\OPTION.s

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．