1394 enhanced AV link layer controller

 

 

FEATURES

 IEEE1394a and IEEE1394–1995 Standard Link Layer Controller

 Hardware Support for the IEC61883 International Standard of

Digital Interface for Consumer Electronics

 Interface to any IEEE 1394–1995 or 1394a Physical Layer

Interface

 5 V Tolerant I/Os

 Single 3.3 V supply voltage

 Full-duplex isochronous operation

 Operates with 400/200/100 Mbps physical layer devices

 12K byte fully programmable FIFO pool for isochronous and

asynchronous data

 Supports single capacitor isolation mode and IEEE 1394–1995,

Annex J. isolation

 6-field deep SYT buffer added to enhance real-time isochronous

synchronization using the AVFSYNC pin

 Generates its own AV port clocks under software control. Select

one of three frequencies: 24.576, 12.288, or 6.144 MHz

 On chip timer resources

 Flexible 8/16 bit multiplexed/non-multiplexed host interface

 Parallel AV interface

 

 

 

DESCRIPTION

The PDI11394L40, Philips Semiconductors Full Duplex 1394

Audio/Video (AV) Link Layer Controller, is an IEEE 1394a–2000

compliant link layer controller featuring 2 embedded AV layer

interfaces.

The application data is packetized according to the IEC 61883

International Standard of Interface for Consumer Electronic

Audio/Video Equipment. Both AV layer interfaces are byte-wide

ports capable of accommodating various MPEG–2 and DVC

codecs. A flexible host interface is provided for internal register

configuration as well as performing asynchronous data transfers.

Both 8 bit and 16 bit wide data paths, as well as

multiplexed/non-multiplexed access modes are supported.

The PDI1394L40 is powered by a single 3.3 V power supply and the

inputs and outputs are 5 V tolerant. It is available in the LQFP144

package.

 

 

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