Audio Codec

DE2-70 User Manual

•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.

•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

•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

•Applications: DVD recorders, LCD TV, Set-top boxes, Digital TV, Portable video devices, and TV PIP (picture in picture) display.

•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

•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)

Sigma DE2-70 manual Audio Codec