System Architecture - Analog Devices ADSP-21479 EZ-Board Manual

System Architecture

System Architecture
This section describes the processor's configuration on the EZ-Board
(Figure 2-1).
2 MB
SRAM
(1M x 16)
ADM708
Supervisor
SPDIF
SPDIF
OUT
Mic
Figure 2-1. EZ-Board Block Diagram
The EZ-Board is designed to demonstrate the ADSP-21479 SHARC pro-
cessor capabilities. The processor runs at 266 MHz and has an I/O voltage
of 3.3V. The core voltage of the processor is 1.2V.
2-2
32 MB 4 MB
SDRAM Flash
(16Mb x 16) (4M x 16 )
Jumper
Ext. Port
WDT
Reset
DSP
Reset
IN
SPDIF
DAI
CIRC
AD1939
CODEC
Aud Aud
Head
In Out
In Out
(4) (8)
DAI
Sharc Expansion Interface II.
DAI = 0.1" Header
DPI
DPI = 0.1" Header
Ext. Port = High Speed Conn.
AMI
ADSP-21479 EZ-Board Evaluation System Manual
3.0 LI-ION
32.768KHz
RTC Battery
Oscillator
RTC CLK
ADSP-21479
Processor
266 MHz
196-BGA
DPI
SPI
PBs/
ADM3202
Flash
LEDs
16Mb
RS232
CONN
5V
PWR
Regulation
IN
3.3V
16.625 MHz
Oscillator
SR
Header
MP MP
JTAG JTAG
OUT IN
Stand
Alone
Debug
Agent
JTAG
CONN
3.3V (Adjustable)
Power
1.2V (Adjustable)