User's Manual

Switch Settings

2-12 ADSP-21369 EZ-KIT Lite Evaluation System Manual

Loop-Back Test Switches (SW6 and SW14)

The loop-back test switch SW6 is located at the top left side of the board.

The second loop-back test switch,

SW14, is located at the top right side of

the board. These switches are used only for testing; all switch positions

should be

OFF.

Push Button Enable Switch (SW7)

The push button enable switch (SW7) disconnects the push buttons from

the corresponding processor pins. This allows the signals to be used for

another purpose. Table 2-6 shows the

SW7 connections. By default, all

position of the

SW7 switch are ON, allowing the push buttons to function as

designed.

Table 2-5. UART Enable Switch (SW5)

Switch Position EZ-KIT Lite Signal Processor Signal

1 (OFF

)

CTS DPI12

2 (ON) RX DPI10

3 (OFF) RTS DP11

4 (ON) T2IN tied to R2OUT N/A

1 Bold typeface denotes the default setting.

Table 2-6. Push Button Enable Switch (SW7)

Switch Position Push Button Label Push Button Reference Designator Processor Pin

PB1 SW8 FLAG1/~IRQ

2 PB2 SW11 FLAG0/~IRQ0

3 PB3 SW10 DAI19

4 PB4 SW9 DAI20