User guide

First Lab: DE2 Top-Level and Default Bitstream
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VGA_SYNC, // VGA SYNC
VGA_R, // VGA Red[9:0]
VGA_G, // VGA Green[9:0]
VGA_B, // VGA Blue[9:0]
//////////// Ethernet Interface ////////////////////////
ENET_DATA, // DM9000A DATA bus 16Bits
ENET_CMD, // DM9000A Command/Data
// Select, 0 = Command, 1 = Data
ENET_CS_N, // DM9000A Chip Select
ENET_WR_N, // DM9000A Write
ENET_RD_N, // DM9000A Read
ENET_RST_N, // DM9000A Reset
ENET_INT, // DM9000A Interrupt
ENET_CLK, // DM9000A Clock 25 MHz
//////////////// Audio CODEC ////////////////////////
AUD_ADCLRCK, // Audio CODEC ADC LR Clock
AUD_ADCDAT, // Audio CODEC ADC Data
AUD_DACLRCK, // Audio CODEC DAC LR Clock
AUD_DACDAT, // Audio CODEC DAC Data
AUD_BCLK, // Audio CODEC Bit-Stream Clock
AUD_XCK, // Audio CODEC Chip Clock
//////////////// TV Decoder ////////////////////////
TD_DATA, // TV Decoder Data bus 8 bits
TD_HS, // TV Decoder H_SYNC
TD_VS, // TV Decoder V_SYNC
TD_RESET, // TV Decoder Reset
//////////////////// GPIO ////////////////////////////
GPIO_0, // GPIO Connection 0
GPIO_1 // GPIO Connection 1
);
Figure 5.2. The Content of DE2_Default.v – gives users all the top-level pin declaration