EP2S180 Datasheet, PDF (19/58 Pages) Altera Corporation – DSP Development Board

Board Components & Interfaces
Figure 2–3 shows each clock and its distribution throughout the board.
Figure 2–3. Clock Distribution
100-MHz
Oscillator
Clock
Distribution
1
Configuration
Controller
Clock
Distribution
2
Expansion
Prototype
Connector
Expansion
Prototype
Connector
CLK_IN_p
Stratix II
EP2S180F1020C3
Device
SDRAM
Audio
CODEC
CLK_IN_n
Clock
Distribution
3
DA_EXT_CLK
Clock
Distribution
4
ADC A
Jumper
ADC B
Jumper
DAC A
Jumper
DAC B
Jumper
CLK
Buffer
CLK
Buffer
ADC A
ADC B
DAC
DAC
Table 2–5 lists reference information for the 100-MHz socketed oscillator.
Table 2–5. 100-MHz Socketed Oscillator Reference
Item
Board reference
Part number
Device description
Manufacturer
Manufacturer web site
Description
Y1
ECS-UPO-8PIN 100MHz
Oscillator
ECS Inc.
www.ecsxtal.com
Altera Corporation
Core Version a.b.c variable
2–11
Stratix II EP2S180 DSP Development Board Reference Manual