2.6.1 Buttons

There are six functional buttons on the board:

  • “REC” button, to start or stop the microphone recording
  • “PLAY/STOP” button, to playback the recorded sound
  • “BACK” button, to jump to previous sound data
  • “FORWARD” button, to jump to forward sound data
  • “ERASE” button, to erase sound data
  • “USER” button, reserved for users
Figure 2-9. Buttons
Table 2-2. Pin Map for the Buttons
Button NameI/O Pin
RECPB4
PLAY/STOPPB5
BACKPB6
FORWARDPB7
ERASEPA7
USERPC5