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ADSP-BF609 EZ-KIT Lite Hardware Reference
Figure 2-5. Example of Mechanical Switch Equivalent to
Figure 2-4
SoftConfig on the ADSP-BF609 EZ-KIT LITE
The Microchip MCP23017 GPIO expander provides control for individ-
ual and 10-bit electronic switches. The TWI0 interface of the processor
communicates with the Microchip device. Two 10-bit switches,
U40-41
are connected to the link port 1 and 0 interfaces, respectively. There are
an additional 27 individual switches with default settings that enable basic
board functionality.
Table 2-1
lists the ADSP-BF609 processor and EZ-KIT Lite interfaces
that are available by default. Note that only interfaces affected by software
switches are listed in
Table
2-1.
ADSP-BF609 EZ-KIT Lite Evaluation System Manual
2-7
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