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TSB42AB4-TSB42AB4PDT
1394 Link Layer Controller For Consumer Electronics Applications
www.ti.com
FEATURES
DESCRIPTION
TSB42AA4
TSB42AA4I
TSB42AB4, TSB42AB4I
SLLA217–JUNE 2006
(ceLynx) IEEE 1394-a Consumer Electronics Link Layer Controller 8K-byte FIFO supports the following data
types:•
DTCP content protection (TSB42AA4 only).A
separate document explains the DTCP – DVB MPEG2 transport streams (IEC
hardware errata for TSB42AA4.Itis available 61883-4)
upon requestto DTLA licensees only. – DirecTV™ transport streams Interfaces directlyto industry standard 400-, – DV program streams (IEC 61883-2)200-, and 100-Mbps physical layer devices, – Asynchronous streamsincluding Texas Instruments TSB41LV0X and – Support for external processor DMATSB41AXX familyof physical layer devices •
Programmable data-/space-available•
Compliant with IEEE 1394-1995 and IEEE indications for flow control; almost full and1394a–2000 standards almost empty indicators•
MPEG2 time stamp-based release,as •
Supports bus manager functions anddescribedin IEC 61883-4 automatic 1394 self-ID verification•
High-speed data interface (HSDI): •
Interrupt drivento minimize host polling– Byte-wideor serial mode •
Single 3.3-V supply– Two independent HSDI ports •
Separate async acknowledge buffer– Bidirectional decreases the ack-tracking burden on host– Several control modes fora varietyof •
JTAG interfaceto support post-assemblyapplications scanof device I/O Connects seamlesslyto common MPEG2 •
Bus holder isolationdecoder chipsets •
Embedded support for DTCP content•
16-bit microprocessor interface supports protection:Motorola 68000/68020-style bus – Two M6 baseline ciphers (one per HSDI•
Large 8K-byte FIFO can be configured upto port)eight independent Txor Rx FIFOs – Random number generatorin hardware SHA-1 secure hash algorithmin hardware Authentication key cipherin hardware Optional auto-configuration for MPEG2/DV
transmit and receive functions PID filtering and packet insertion for MPEG2
transport streamConsumer Electronics Link (ceLynx)isa high-performance 1394 link layer device designed specificallyto
support advanced consumer electronics applications, particularly those applications which require theof Moving Picture Expert Group2 (MPEG2) transport streams and encryption/decryptionof thosea 1394 network. The device supports both digital video broadcasting (DVB) and DirecTV™ type streams digital transmission content protection method (DTCP) methodof encryption,as well
