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データシートサーチシステム |
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データシートサーチシステム |
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RC56LD データシート(PDF) 3 Page - Synaptics Incorporated. |
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RC56LD データシート(HTML) 3 Page - Synaptics Incorporated. |
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3 / 22 page  ,QWHJUDWHG9 .IOH[99ELV0RGHP'HYLFH6HWV 5&/'5&/'DQG5&/' MD213 Conexant 3 Features • Downloadable MCU firmware from the host/DTE and downloadable MDP code modules from the MCU • Data modem − ITU-T V.90 and K56flex (RC56LD models) − V.34 (33.6 kbps) (RC56LD and RC336LD models) − V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and 103 − V.42 LAPM, MNP 2-4, and MNP 10 error correction − V.42 bis and MNP 5 data compression − MNP 10EC™ enhanced cellular performance • Analog cellular direct connect • GSM cellular direct connect • Fax modem send and receive rates up to 33.6 kbps − ITU-T V.34, V.17, V.29, V.27 ter, and V.21 channel 2 • V.80 synchronous access mode supports host-based communication protocols • World-class operation − Call progress − Blacklisting − Multiple country support • Voice/TAM mode/telephony extensions − Handset support (SP models) • Full-duplex speakerphone (FDSP) mode (SP models) − Acoustic and line echo cancellation − Microphone gain and muting − Speaker volume control and muting • AudioSpan simultaneous audio/voice and data (SP models) − ITU-T V.61 modulation (4.8 kbps data with audio) − Handset, headset, or half-duplex speakerphone • ITU-T V.70 DSVD using the RCDSVD SCP (SP models) − ITU-T interoperable G.729 and G.729 Annex A with interoperable G.729 Annex B − Voice/silence detection and handset echo cancellation − Robust DSVD timing recovery − Handset, headset, or half-duplex speakerphone • Host-based DSVD support with V.70 software drivers for Windows 95 • Communication software compatible AT command sets • NVRAM directory, stored profiles, and CIS table (option) • Flash memory support • Internal phase-locked loop (PLL) • Built-in host/DTE interface with speeds up to 230.4 kbps − Parallel 16550A UART-compatible interface (MCU) − Serial ITU-T V.24 (EIA/TIA-232-E) (MCU) − PC Card (MCUP) • PC Card interface supports two functions with programmable I/O window size (MCUP only) • Flow control and speed buffering • Automatic format/speed sensing • Serial sync/async data; parallel async data • Caller ID and distinctive ring detect • JTAG Boundary Scan support • Flexible PQFP and TQFP packaging options − MCU/MCUP: 128-pin TQFP − MDP: 144-pin TQFP or 100-PQFP − RCDSVD SCP: 100-pin PQFP • +3.3V operation with +5V tolerant inputs • Sleep Mode • Power use (mW, typical): Device Normal Sleep MCU/MCUP 165 10 MDP 250 33 SCP 550 50 Description General The modem device set, consisting of separate microcontroller (MCU/MCUP), modem data pump (MDP), and optional RCDSVD Speech Codec Processor (SCP) devices, provides the processing core for a complete modem design. For data/fax/V.80/voice/TAM/speakerphone/host- DSVD/AudioSpan operation, only the microcontroller (MCU) and modem data pump (MDP) devices are needed. The OEM adds an MCU crystal, discrete components, and a telephone line/telephone/voice/- TAM/analog cellular/GSM cellular interface circuit to complete the modem system. Telephony extensions are supported in the serial DTE models and optionally in the parallel host models. Optional on-board DSVD operation is supported with addition of the RCDSVD Speech Codec Processor (SCP) device to an SP model. Table 1 shows the supported functions by product family. Dialing, call progress, V.80, telephone line interface, voice/TAM, speakerphone, AudioSpan, DSVD, analog cellular phone, and GSM phone interface functions are supported and controlled through the AT command set. Connection to the host/DTE is supported by serial DTE interface (Figure 1), parallel host interface (Figure 2), or PC Card interface (Figure 3), depending on modem model and installed firmware. GSM operation is supported for parallel host and PC Card interface only. For U.S. operation, the modem can operate with a 1-relay data/fax/TAM DAA interface (Figure 4) or a 2-relay data/fax/TAM/V.61/Speakerphone DAA interface (Figure 5). Data/Fax Modes In V.90/K56flex data modem mode (RC56), the modem can receive data from a digital source using a V.90- or K56flex-compatible central site modem at line speeds up to 56 kbps. Asymmetrical data transmission supports sending data at speeds up to V.34 rates. This mode can fallback to full-duplex V.34 mode. In V.34 data modem mode (RC56 and RC336), the modem can operate in 2-wire, full-duplex, asynchronous modes at line rates up to 33.6 kbps. Data modem modes perform complete handshake and data rate negotiations. Using V.34 modulation to optimize modem configuration for line conditions, the modem can connect at the highest data rate that the channel can support from 33.6 kbps to 300 bps with automatic fallback. Automode operation in V.34 is provided in accordance with PN3320 and in V.32 bis in accordance with PN2330. All tone and pattern detection functions required by the applicable ITU or Bell standard are supported. |
同様の部品番号 - RC56LD |
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同様の説明 - RC56LD |
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