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| Product rochure for JADE Joint Audio Decoder Encoder PSB 7280 8/97 The PSB 7280 is a device which implements voice compression algorithms defined in the ITU-TS G.711, G.722 and the G.728 Recommendation. It fits best into every application where audiocompression is needed. 1. Potential applications * * * * * * * ISDN Videophones Video Conference Systems Corporate Network voice concentrators, multiplexers and gateways Data-over-voice and Voice-over-data terminals Networks (e.g. LANs) for packetized voice Digital Added Main-Line (DAML) & Digital circuit Multiplication Equipment (DCME) Voice storage e.g. in PC based applications 2. Features: * G.711/G.722/G.728 Compression/Decompression for one audio channel * Programmable G.711/G.722/G.728 modes with mixed modes of operation (e.g. G.722 in receive and G.728 in transmit direction) * A/ law recognition in G.711 mode (according to G.725 Appendix I) * Digital sampling rate conversion (16kHz-8kHz) for G.722 audio with 8kHz Codec (bandwidth reduced to 3.4 kHz) * Accepts/outputs uncompressed audio in 16-bit linear format * Inband controlled H.221 oriented audio protocol,. e.g. for direct serial connection to Videotec (VCP of 8x8 Inc., formerly IIT Inc.) * Access to audio channels and HDLC/serial transparent data controllers from DSP or an external Host. * Programmable on-chip PLL for internal clock generation from ISDN low frequency clock * All Program and Data memory on-chip * Flexible interfaces (e.g. IOM-2/PCM, serial audio interface, parallel 8-bit host interface, external memory interface) * Supply voltage : 3,4 to 3,8 V * 0,5 m CMOS technology 3. Packing Type PSB 7280-V 2.2 Ordering Code Q67101-H6780 Package P-TQFP-100 4. Product status Produkt PSB 7280 V.2.2 Step Production Status Changes -- 5. Diagram AD(0:7) RD# WR# CS# ALE SIO INTR# INT# Reset EA# Parallel host interface Mon,C/l control Audio Rec 1 SCLK SR ST RFS TFS Serial audio IF Trm 1 Rec 2 Trm 2 Mailbox Mailbox 256 Bytes 256 Bytes HDLC 1 HDLC 2 IOM/ TDM DD DU DCL FSC CM0,1 Config/control registers Timers 16 KW program ROM 3 KW data X-ROM 2 KW data X-RAM DSP core 1 KW data X-RAM 1 KW data Y-RAM BRG clock gen/ PLL CLKO XTAL1 XTAL2 VREF RADJ External memory interface Test interface CA(0:15) CD(0:15) CRD# CWR# CPS# CDS# TCLK TMS TDI TDO DIP_7280.DOC Product rochure for JADE 6. Documentation (Please contact our sales office for details) Date of issue/version Preliminary Data Sheet V2.2 8/96 Perliminary Delta Sheet V2.2 8/96 Application Sheet V2.1 7/96 Technical Audit Report AU-531, volume 1 1/97 Ics for Video Communications 3/96 Per Video um die Welt 5/96 Video Communication by PC 5/95 Worldwide video communication for analog 1/96 and digital telephon networks Errata sheet V2.1-2.2 8/96 Codec Application Note V1.1-1.4 8/95 Video Ref. Board (DVC5) Package 1/96 Preliminary Version 1.1 7. Development and support Tools Availability Video Ref. Board SIPB 7280 VISO Ref. Board SIPB 7285 8. Applications * Video Conferencing ARCOFI-SP 8/97 Type of material Copy Copy Copy Copy Copy Copy Copy Copy Copy Copy Copy Ordering number Q67100-H6640 Q67220-H1004 available available SIEMENS PSB 2163 Stereo DAC (MPEG 1) IOM-2 SRAM ISDN VCP JADE ISAC-S TE DRAM 8x8 Video in Video out 3100 series SIEMENS PSB 7280 SIEMENS PSB 2186 PAL/NTSC Camera Video capture 8x 8 VPIC Host SIEMENS SAB 83C515A PCI Bus * H320 Video Board with echo cancellation ARCOFI-SP/ ARCOFI-BA* ACE* IOM-2 SIEMENS PSB 2163/ PSB2161* SIEMENS PSB 2170 ISDN SRAM VCP JADE ISAC-S TE DRAM 8x8 Video in Video out 3100 series SIEMENS PSB 7280 SIEMENS PSB 2186 PAL/NTSC Camera Video capture 8x 8 VPIC Host SIEMENS SAB 83C515A PCI Bus DIP_7280.DOC |
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