Dai Interface - Analog Devices ADSP-21262 EZ-KIT Lite Manual

System Architecture

DAI Interface

3-4
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AD15-0
D
373
DSP 8-bit Latch
(2)
ALE
LE
Expansion
Interface
Op ening the switch
puts latch alw ays in
Transpa rent M ode
SR AM _CS
W R
Figure 3-2. Parallel Port Connections Block Diagram
The pins of the Digital Application Interface (DAI) connect to the signal
routing unit (SRU). The SRU is a flexible routing system, providing a
large system of signal flows within the DSP. In general, the SRU allows to
route the DAI pins to different internal peripherals in various
combinations.
ADSP-21262 EZ-KIT Lite Evaluation System Manual
A23
C 0
A22
B 1
A21
A 2
138
3
3->8
4
DEC
5
6
7
Q A8-19
A0-7
1MB
FLASH
D7-0
CS
FLAS H_C S
SR AM _CS
D0- 7
D Q
373
8-bit
Latch
LE
FLASH_C S
S RA M_CS
LE D_CS
A8-18
A0-7
512KB
SRAM
D7-0
CS
8 LED s