Analog Devices ADSP-21364 Manual do Utilizador descarregar pdf (Página 41)

ADSP-21364 EZ-KIT Lite Evaluation System Manual 2-7

ADSP-21364 EZ-KIT Lite Hardware Reference

For information on how to disable the push buttons from driving the cor-

responding processor flag pin, see “Push Button Enable Switch (SW9)” on

page 2-11.

The

FLAG signals are available externally via the expansion interface con-

nectors (J1–3). The pinout of the connectors can be found in

“ADSP-21364 EZ-KIT Lite Schematic” on page B-1.

Expansion Interface

The expansion interface consists of three 90-pin connectors. Table 2-2

shows the interfaces each connector provides. For the exact pinout of the

connectors, refer to “ADSP-21364 EZ-KIT Lite Schematic” on page B-1.

The mechanical dimensions can be obtained from Technical or Customer

Support.

Table 2-1. IO FLAG Pins

FLAG Pin EZ-KIT Lite Function

FLAG0 SPI flash chip select

FLAG1 Push button (SW1) input

FLAG2 Push button (SW2) input

FLAG3 AD1835A’s SPI interface chip select

Table 2-2. Expansion Interface Connectors

Connector Interfaces

J1 5V, AD15–0

J2 3.3V, FLAG3–0, DAI_P20–1, SPI

J3 5V, 3.3V, reset, parallel port control signals

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 76 77

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Analog Devices ADSP-21364 Manual do Utilizador Página 41