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System Architecture
Table 2-1. DAI Connections (Cont'd)
DAI Pin
DAI_P13
DAI_P14
DAI_P15
DAI_P16
DAI_P17
DAI_P18
DAI_P19
DAI_P20
To use the DAI on the expansion II interface, disable any signal driving a
DAI pin with the associated switch. The pinout of the expansion connec-
tors can be found in
DPI Interface
The digital peripheral interface (DPI) pins are connected to a second sig-
nal routing unit of the processor (SRU2). The SRU2 unit, similar to the
SRU, is a flexible routing system providing a large system of signal flows
within the processor. The SRU2 allows you to route the DPI pins to dif-
ferent internal peripherals in various combinations.
The DPI connects various peripherals on the EZ-Board.
the DPI pin names, associated peripheral and net names, switch designa-
tors through which the pins are connected to the peripherals, and default
switch settings.
2-4
Peripheral
Peripheral Net
AD1939
DBCLK
AD1939
DLRCLK
LEDs
LED6
LEDs
LED7
LEDs
LED8
S/PDIF
SPDIF_IN
Push buttons
PB3
Push buttons
PB4
"ADSP-21479 EZ-Board Schematic" on page
ADSP-21479 EZ-Board Evaluation System Manual
Connected via
Switch Setting
Switch
(Default)
SW2.5
OFF
SW2.6
OFF
SW2.7
ON
SW2.8
ON
SW7.1
ON
SW7.2
ON
SW7.3
ON
SW7.4
ON
Table 2-2
B-1.
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