Jumper and DIP Switch Settings
2-12
ADSP-BF561 EZ-KIT Lite Evaluation System Manual
Push Button Enable Switch (SW4)
The push button enable switch (
SW4
) positions 1 through 4 allow to dis-
connect the drivers associated with the push buttons from the PF pins of
the processor. Positions 5 and 6 connect the transmit and receive frame
syncs and clocks of
SPORT0
. This is important when the AD1836A video
decoder and the processor are communicating in Two-Wire Interface
(TWI) mode.
shows which PF is driven when the switch is in
the “
ON
” position.
OFF
ON
8-bit SPI PROM
OFF
OFF
16-bit SPI PROM
Table 2-6. Push Button Enable Switch (SW4)
Switch Position
Default Setting
Pin #
Signal (Side 1)
Pin #
Signal (Side 2)
1
ON
1
SW6
12
PF5
2
ON
2
SW7
11
PF6
3
ON
3
SW8
10
PF7
4
ON
4
SW9
9
PF8
5
OFF
5
TFS0
8
RFS0
6
OFF
6
RSCLK0
7
TSCLK0
Table 2-5. Boot Mode Select Switch (SW3) (Cont’d)
Position 1 BMODE0
Position 2 BMODE1
Boot Mode
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