Altera Serial Digital Interface (SDI) MegaCore Function Bedienungsanleitung PDF herunterladen (Seite 50)

3–20 Chapter 3: Functional Description

Block Description

Serial Digital Interface (SDI) MegaCore Function February 2013 Altera Corporation

User Guide

For all other standards, use an external multiplexer to select between the alternative

reference clocks.

Table 3–7 lists the frequencies of the transmitter clock,

tx_serial_refclk

, for

Arria GX, Arria II GX, Arria V, Cyclone IV GX, Cyclone V, Stratix II GX, Stratix IV, and

Stratix V devices.

Table 3–7. Transmitter Clock Frequency—Arria GX, Arria II GX, Arria V, Cyclone IV GX,

Cyclone V, Stratix II GX, Stratix IV, and Stratix V Devices

Video Standard Clock Frequency (MHz)

SD-SDI 67.5

HD-SDI (including dual link) 74.175/74.25

(1)

HD-SDI with two times oversample 148.35/148.5

(1)

Dual standard 67.5/74.175/74.25

(1)

Triple standard 148.35/148.5

(1)

3G-SDI 148.35/148.5

(1)

Note to Table 3–7:

(1) The

tx_serial_refclk

signal must be externally multiplexed. If additional input reference clock port is enabled

for serial reference clock, external multiplier is no longer required.

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Altera Serial Digital Interface (SDI) MegaCore Function Bedienungsanleitung Seite 50