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SP305 Spartan-3 Development Platform User Guide
www.xilinx.com
UG216 (v1.1) March 3, 2006
SP305 Spartan-3 Development Platform User Guide
R
A/D Converter (AD792
8
) (2
8
)
There are eight ADC input signals. For more information see the board schematic and data
sheet for the AD7928 ADC device.
Reference
Designator
Label/Definition
J34 Pin
ADC IN Channel 1
ADC IN Channel 2
ADC IN Channel 3
ADC IN Channel 4
ADC IN Channel 5
ADC IN Channel 6
ADC IN Channel 7
ADC IN Channel 8
Stereo AC97 Audio Codec (29)
The SP-305 Development Platform has an AC97 audio codec (U14) to permit audio
processing. The National Semiconductor LM4550 Audio Codec supports stereo 16-bit
PHY_RXD0
M1
PHY_RXD1
M2
PHY_RXD2
M6
PHY_RXD3
M5
PHY_RX_DV
L6
PHY_RX_ER
L5
PHY_MDINT
N4
PHY_MDIO
N6
PHY_CRS
L7
PHY_MDC
M3
PHY_SLW0
M8
PHY_SLW1
M7
PHY_RESET
L1
PHY_COL
L2
Table 2-17:
10/100 Intel Ethernet Clock Signals to PHY
Label
FPGA Pin
Description
Table 2-18:
(Updated) ADC Connections
ADC_VIN1
2-1
ADC_VIN2
2-2
ADC_VIN3
2-3
ADC_VIN4
2-4
ADC_VIN5
2-5
ADC_VIN6
2-6
ADC_VIN7
2-7
ADC_VIN8
2-8