Analog Devices ADSP-21364 Benutzerhandbuch

ADSP-21364 EZ-KIT Lite Evaluation System Manual

2-7 

For information on how to disable the push buttons from driving the cor-
responding processor flag pin, see 

. 

The 

FLAG

 signals are available externally via the expansion interface con-

nectors (

J1–3

). The pinout of the connectors can be found in 

.

The expansion interface consists of three 90-pin connectors. 

 

shows the interfaces each connector provides. For the exact pinout of the 
connectors, refer to 

The mechanical dimensions can be obtained from 

.

Table 2-1. IO FLAG Pins

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

J1

5V, 

AD15–0

J2

3.3V, 

FLAG3–0

, 

DAI_P20–1

, SPI

J3

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