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ENCORE ENF656-EHW-INPR - page 1
536EPXX Host Ac celer ated Mod em 56K V .92 Chip set Preliminar y Datasheet Product Fe atures ■ Merges b enefits from software and hardware mod ems ■ Uses host’ s CPU without degrading per forma nce ■ Distributes functions optimally between CPU and DSP ■ Cost sa vings — CPU eliminates need for controller chip — Reduced board size — ...
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2 Intel Confide ntial Preliminary Datashee t Informati on in th is document is prov ided in conn ection w ith Intel ® products. No license, expr ess or implied, by esto ppel or otherwise, to any intellectual property rights is gra nted by th is document . Except as pr ovided in Intel’s T erms and C onditions of Sale fo r such pro ducts, Inte l a ...
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ENCORE ENF656-EHW-INPR - page 3
Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 7 1.0 Overview The software up gradable 536EPXX chipset and reference design fr om Intel is targeted at modem and computer m anufacturers. This n ew product is a leap forward in techno logy , performance and cost savings. Th e 536EPXX is a Host Accelera ...
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ENCORE ENF656-EHW-INPR - page 4
536EPXX — Host Acceler ated Modem 56K V .92 C hipset 8 Intel Confidentia l Pr elim inar yDat ashe et 1.3 Satisfies Legacy Applications The 536EPXX supports all PC-based communication req uirements. Its rob ust host-based con troller software and powerful DS P support all standard A T commands for dat a, Class 1 f ax and IS-1 01 voice. 1.4 Compreh ...
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Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 19 Figure 3. Functional Block Diagrams 536EPU/G TIP RIN G HOST COMPUTER DSP DQ82536 PCI BUS NVRAM Sili con 536EP A TIP RING HOST COMPUTER DSP DQ82536 PCI BUS NVRAM DAA AFE MD1724 CODEC/DAA MICROPHONE / SPEAKER (OPTIONAL) + ...
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536EPXX — Host Acceler ated Modem 56K V .92 C hipset 20 Intel Conf idential Preli min aryD atas heet Figure 3. Functional Block Diagrams (Continued) 536EPUS/G S/GL TIP RING HOST COMPUTER DSP DQ82536 PCI BUS NVRAM AFE MD1724 MICROPHONE / SPEA KER (OPTIONAL ) + 536EP A S TIP RING HOST COMPUTER DSP DQ82536 PCI BUS NVRAM MICROPHONE / SPEAKER (OPTIONA ...
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ENCORE ENF656-EHW-INPR - page 7
Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 21 6.0 Chip set Desc rip tio ns The 536EPXX is a Host Accelerated Mo dem chipset family cons isting of a DSP (digital signal processor), and a Silicon Laboratories CODEC/DAA or an Intel Analog Fron t End (AFE). Th ese chipsets support a v ariety of appl ...
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ENCORE ENF656-EHW-INPR - page 8
536EPXX — Host Acceler ated Modem 56K V .92 C hipset 22 Intel Conf idential Preli min aryD atas heet 7.0 Modes of Operation The 536EPXX chip set family pr ovides comple te modem functions for the follo wing modes: Grou p 3 Fax, Dat a, IS-101 V oice, V .4 2/ MN P 2– 4 (Microcom Networ king Prot ocol Clas ses 2 th rough 4), Er ro r c or rec t ion ...
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Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 23 7.1.5 Videoconferencing (V .80) Support The 536EPXX supports the ITU-V .80 recommendation. This option ensures compatibilit y with host-b ased H.324 vid eoconferenci ng applicati on software . The 536EP XX chipsets sup port both transparent and frame ...
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536EPXX — Host Acceler ated Modem 56K V .92 C hipset 24 Intel Conf idential Preli min aryD atas heet 7.2.7 Call Progress The modem monitors the detectio n of call-progress tones during call origination an d reports them to the DTE. Call-progr ess tones include d ial, busy , ringback, and an swer . 7.2.8 Caller ID Caller ID is a service that allow ...
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Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 25 B 770 1633 C 852 1633 D 941 1633 T able 15 . Communication Modes and Data Rates Application Mode Data Rate (bps ) Modulatio n Baud Rate (symbols/sec.) Carrier Frequenc y (Hz) Constellat ion Point s Fax V. 1 7 14,400 TCM 2400 1800 128 12,000 TCM 2400 ...
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ENCORE ENF656-EHW-INPR - page 12
536EPXX — Host Acceler ated Modem 56K V .92 C hipset 26 Intel Conf idential Preli min aryD atas heet Data V .92 Mode a (V .92 receive path) 57333 b , 56000, 54666, 53333, 52000, 50666, 49333, 48000, 46666, 45333, 44000, 42666, 41333, 40000, 38666, 37333, 36000, 34666, 33333, 32000, 30666, 29333, 28000 PCM 8000 N/A (Baseband) V ariable c V .92 Mod ...
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ENCORE ENF656-EHW-INPR - page 13
Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 27 8.0 Hardware Interfaces The 536EPXX chips et supports har dware interfaces for the host, expans ion bus, non -volatile RAM (NVRAM), CODEC/DAA, speaker , micropho ne, and general-pu rpose I/O functions. T he hardware interfaces are demo nstrated below ...
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536EPXX — Host Acceler ated Modem 56K V .92 C hipset 28 Intel Conf idential Preli min aryD atas heet 8.2 D AA Interface A DAA (Data Access Arrangem ent) is the interface between the modem chipset and the telephone network. The DAA interface co ntrols the telephone line off- hook relays, detects ring signals, and transmits and receives analog sign ...
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ENCORE ENF656-EHW-INPR - page 15
Host Accele rated Modem 56K V .92 Chipset — 536EPXX Preliminary Datashee t Intel Conf idential 29 Impor tant: A minimum reco very time of 200µ s fro m D2 to D0 is required befor e the next fu nction can be accessed. Attempted access so oner than this c ould result in undefin ed system behavior . 8.3.3 D3 cold Switching from main supply o utputs ...
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