Datasheet
MAX9880A Evaluation Kit
Evaluates: MAX9880A
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Figure 18. Advanced User Interface (Bit Set/Clear Tab)
Table 12. GPIO Functionality
MAXQ2000 GPIO NET NAME I/O FUNCTIONALITY
K1
9880A_IRQ
Input
Used to monitor the U1 device’s IRQ pin.
K2
CS2
Output Chip select for U1 device’s SPI interface.
K3 CONNECT Output Enables/disables PC detection of the USB audio DAC (U12).
K4 CS8427_RST Output Controls the RST pin of the digital audio interface transceiver (U11).
K5 9880A_SELECT Input Used to poll the U1 device’s SELECT pin.