EP2S180 ALTERA [Altera Corporation], EP2S180 Datasheet - Page 25

• Manufacturer Part Number: EP2S180
• Description: DSP Development Board
• Manufacturer: ALTERA [Altera Corporation]

Altera Corporation
to select the clock for ADC B.
clock signals. The selected clock will pass through a differential LVPECL
buffer before arriving at the clock input to both A/D converters
Table 2–11
Pins 1 and 2
Pins 3 and 4
Pins 5 and 6
Board reference
Part number
Device description
Voltage
Manufacturer
Manufacturer web site
Table 2–10. A/D Clock Source Settings
Table 2–11. A/D Converter Reference
J3, J4 Setting
lists reference information for the A/D converters.
Stratix II EP2S180 DSP Development Board Reference Manual
Item
Stratix II PLL
circuitry
OSC or External
input clock positive
OSC or External
input clock negative
Clock Source
Table 2–10
Core Version a.b.c variable
adc_PLLCLK1,
adc_PLLCLK2
adc_CLK_IN1,
adc_CLK_IN2
adc_CLK_IN1_n,
adc_CLK_IN2_n
U1, U2
AD9433BSQ
12-bit, 125-MSPS A/D converter
3.3-V digital V
Analog Devices
www.analog.com
explains how to select these three
Signal Name
Board Components & Interfaces
Description
DD
, 5.0-V analog V
DD
2–17