DE2-70 User Manual
8
Audio CODEC
• Wolfson WM8731 24-bit sigma-delta audio CODEC
• Line-level input, line-level output, and microphone input jacks
• Sampling frequency: 8 to 96 KHz
• Applications for MP3 players and recorders, PDAs, smart phones, voice recorders, etc.
VGA output
• Uses the ADV7123 240-MHz triple 10-bit high-speed video DAC
• With 15-pin high-density D-sub connector
• Supports up to 1600 x 1200 at 100-Hz refresh rate
• Can be used with the Cyclone II FPGA to implement a high-performance TV Encoder
NTSC/PAL/ SECAM TV decoder circuit
• Uses two ADV7180 Multi-format SDTV Video Decoders
• Supports worldwide NTSC/PAL/SECAM color demodulation
• One 10-bit ADC, 4X over-sampling for CVBS
• Supports Composite Video (CVBS) RCA jack input
• Supports digital output formats : 8-bit ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and
FIELD
• Applications: DVD recorders, LCD TV, Set-top boxes, Digital TV, Portable video devices,
and TV PIP (picture in picture) display.
10/100 Ethernet controller
• Integrated MAC and PHY with a general processor interface
• Supports 100Base-T and 10Base-T applications
• Supports full-duplex operation at 10 Mb/s and 100 Mb/s, with auto-MDIX
• Fully compliant with the IEEE 802.3u Specification
• Supports IP/TCP/UDP checksum generation and checking
• Supports back-pressure mode for half-duplex mode flow control
USB Host/Slave controller
• Complies fully with Universal Serial Bus Specification Rev. 2.0
• Supports data transfer at full-speed and low-speed
• Supports both USB host and device
• Two USB ports (one type A for a host and one type B for a device)
• Provides a high-speed parallel interface to most available processors; supports Nios II with a
Terasic driver
• Supports Programmed I/O (PIO) and Direct Memory Access (DMA)