
ADSP-21489 EZ-Board Hardware Reference
tors through which the pins are connected to the peripherals, and default
switch settings.
Table 2-2. DPI Connections
DPI Pin
Peripheral
Peripheral Net
Connected via
Switch Setting
Switch
(Default)
DPI_P1
SPI memory/
SPI_MOSI
SW3.1
ON
AD1939
DPI_P2
SPI memory/
SPI_MISO
SW3.2
ON
AD1939
DPI_P3
SPI memory/
SPI_CLK
SW3.3
ON
AD1939
DPI_P4
DPI_P5
DPI_P6
DPI_P7
DPI_P8
DPI_P9
DPI_P10
DPI_P11
DPI_P12
DPI_P13
DPI_P14
AD1939
SPI memory
LEDs
Temp sensor
Temp sensor
UART
UART
UART
UART
UART
UART
AD1939_CS
SPI_CS
LED1
TEMP_SDA
TEMP_SCK
UART_TX
UART_RX
UART_RTS
UART_CTS
LED2
LED3
SW3.4
SW3.5
SW3.6
SW3.7
SW3.8
SW14.1
SW14.2
SW14.3
SW14.4
SW14.5
SW14.6
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
To use the DPI on the expansion II interface, disable any signal driving a
DPI pin with the associated switch. The pinout of the expansion connec-
tors can be found in “ADSP-21489 EZ-Board Schematic” on page B-1 .
ADSP-21489 EZ-Board Evaluation System Manual
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