HDMP-1012 datasheet(3/42 Pages) HP

3 / 42 page

575

Typical Applications

The HDMP-1012/1014 chipset

was designed for ease of use and

flexibility. This allows the

customer to tailor the use of this

product, through the configura-

tion of the link, based on their

specific system requirements and

application needs. Typical

applications range from

backplane and bus extension to

digital video transmission.

Low latency bus extension of a 16

or 20 bit wide data bus may be

achieved using the standard

duplex configuration (see Figure

1d). In full duplex, the HDMP-

1012/1014 chipset handles all of

the issues of link startup, main-

tenance, and simple error

detection.

If the bus width is 32 or 40 bits

wide, the HDMP-1012/1014

chipset is capable of sending the

large data frame as two separate

frame segments, as shown in

Figure 1b. In this mode, called

Double Frame Mode, the FLAG

bit is used by the transmitter and

receiver to indicate the first or

second frame segment. The

HDMP-1012/1014 chipset in

Double Frame Mode may also be

configured in full duplex to

achieve a 32/40 bit wide bus

extension.

For digital video transmission,

simplex links are more common.

The HDMP-1012/1014 chipset

can transmit 16 to 21 bits of

parallel data in standard or

broadcast simplex mode.

Additionally, 32 to 40 bit wide

data can be transmitted over a

single line (in Double Frame

Mode) or two parallel lines, as in

Figure 1c.

CLK

A) 16/20 BIT SIMPLEX TRANSMISSION

CLK

MUX

DEMUX

B) 32/40 BIT SIMPLEX TRANSMISSION

CLK

C) 32/40 BIT SIMPLEX TRANSMISSION

WITH HIGH CLOCK RATES

CLK

D) 16/20 BIT DUPLEX TRANSMISSION

CLK

E) SIMPLEX BROADCAST TRANSMISSION

CLK

...

Figure 1. Various Configurations Using the HDMP-1012/1014.

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