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Altera Stratix IV GX FPGA Development Board User Manual

Page 51

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Chapter 2: Board Components

2–43

Components and Interfaces

August 2012

Altera Corporation

Stratix IV GX FPGA Development Board

Reference Manual

Figure 2–12

shows a block diagram of the AD9889B HDMI transmitter device.

Table 2–40

lists the HDMI video output interface pin assignments, signal names, and

functions.

Figure 2–12. AD9889B HDMI Transmitter Device Block Diagram

Video

Data

Capture

Audio

Data

Capture

Color

Space

Conversion

4:2:2 to 4:4:4

Conversion

XOR

Mask

HDMI

Tx

Core

HDCP

Core

I

2

C Slave

Register Configuration

Logic

I

2

C Master

HDCP-EDID

Microcontroller

Interrupt

Handler

AD9889B

SCL

SDA

MCL

MDA

INT

HPD

DDCSDA

DDCSCL

Tx0– /Tx0+

Tx1– / Tx1+

Tx2– / Tx2+

TxC– / TxC+

SCLK

LRCLK

MCLK

S/PDIF

D [23:0]

DE

HSYNC

VSYNC

CLK

I

2

S [3:0]

Table 2–40. HDMI Video Output Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 2)

Board Reference

Description

Schematic Signal

Name

I/O Standard

Stratix IV GX

Device

Pin Number

U25.B1

Video data bus

HDMI_D0

1.8-V

AW34

U25.A1

Video data bus

HDMI_D1

1.8-V

AL25

U25.B2

Video data bus

HDMI_D2

1.8-V

AK25

U25.A2

Video data bus

HDMI_D3

1.8-V

AP26

U25.B3

Video data bus

HDMI_D4

1.8-V

AH26

U25.A3

Video data bus

HDMI_D5

1.8-V

AM26

U25.B4

Video data bus

HDMI_D6

1.8-V

AK26

U25.A4

Video data bus

HDMI_D7

1.8-V

AN26

U25.B5

Video data bus

HDMI_D8

1.8-V

AP27

U25.A5

Video data bus

HDMI_D9

1.8-V

AN27