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