Analog Devices SHARC 82-000805-01 - Manual (Page 22)

DIP Switches and Jumpers
2-4 SHARC EZ-Extender Manual
When the
SW1
switch connects a direction control signal to ground (
GND
),
the corresponding signal (signals) is (are) controlled as input. The direc-
tion control functionality is summarized in
Table 2-1 .
The source of the PDAP clock input signal, DAI_PP2_CLOCKIN , is config-
ured through positions 1 and 2 of the DIP switch
SW1
, as illustrated in
Figure 2-1 on page 2-2 . The switch settings are summarized in Table 2-2 .
Table 2-1. DAI_P15_GP1/DAI_P16_GP2 Direction Control Settings
SW1 Position 3
SW1 Position 5 SW1 Position 4
SW1 Position 6 DAI_P15_GP1 Direction
DAI_P16_GP2 Direction
OFF OFF EZ-KIT Lite is transmitter
OFF ON DAI_P18 sets the direction:
0 = EZ-KIT Lite is receiver
1 = EZ-KIT Lite is transmitter
ON OFF EZ-KIT Lite is receiver
ON ON Do not use
Table 2-2. PDAP Clock-in Source Settings
SW1 Position 1
RX_CLK SW1 Position 2
TX_CLK DIA_P2_CLOCKIN Source
OFF OFF Not generated by the EZ-Extender
OFF ON In this configuration, the TX_CLK signal must be
generated by one of the user configured clock
sources.
ON OFF RX_CLK
ON ON RX_CLK ; in this configuration, the RX_CLK signal is
also routed to the TX_CLK to be used as an output.