Datasheet
16
Chapter 7. Mode Switch
This RDK has an on-board module with 4 switches (SW5) for controlling TK MUX Select, TK MUX Disable, and Speaker
Enable. Table 7-1 below shows common settings for SW5.
Mode TK MUX Select TK MUX Disable Speaker Enable SW5.4
Run ON ON ON ON
Debug ON OFF ON ON
Virtual COM OFF OFF ON ON
Table 7-1: Common Mode Configurations
TK MUX Select (SW5.1)
• ON sets the USB connection (J16) for debugging purposes.
• OFF sets the USB connection (J16) as a virtual communication port.
TK MUX Disable (SW5.2)
• ON disables the TK debugger and puts the RL78 in normal operation.
• OFF enables the TK debugger and puts the RL78 in debug operation.
The Speaker Enable (SW5.3)
• ON – enables the on-board speaker
• OFF – disables the on-board speaker
SW5.4 is not used.