RP56LD, RP56LD(R6785-19), RP56LD/6785-19 Selling Leads, Datasheet
MFG:ROCKWELL Package Cooled:QFP100 D/C:QFP
RP56LD, RP56LD(R6785-19), RP56LD/6785-19 Datasheet download
Part Number: RP56LD
MFG: ROCKWELL
Package Cooled: QFP100
D/C: QFP
RP56LD, RP56LD(R6785-19), RP56LD/6785-19
- Table of contents:
Info of RP56LD
Info of RP56LD(R6785-19)
Info of RP56LD/6785-19
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About RP56LD
PDF/DataSheet Download
Datasheet: RP56LD
File Size: 293225 KB
Manufacturer: CONEXANT [Conexant Systems, Inc]
Download : Click here to Download
About RP500X
PDF/DataSheet Download
Datasheet: RP500X
File Size: 672296 KB
Manufacturer: RICOH electronics devices division
Download : Click here to Download
About RP500X
PDF/DataSheet Download
Datasheet: RP500X
File Size: 672296 KB
Manufacturer: RICOH electronics devices division
Download : Click here to Download
RP56LD General Description
The CONEXANTM RP56LD, RP336LD, and RP144LD Modem Data Pump (MDP) families support data/fax modem, voice coding/decoding, optional full-duplex
speakerphone, and optional AudioSpan (Table 1). Low voltage and low power consumption support portable applications. Downloadable architecture allows upgrading of MDP code from the host/DTE.
In V.90/K56flex mode (RP56), the MDP can receive data at speeds up to 56 kbps from a digitally connected V.90- or K56flex-compatible central site modem. These MDPs take advantage of the PSTN which is primarily digital except for the client modem to central office local loop and are ideal for applications such as remote access to an
Internet service provider (ISP), on-line service, or
corporate site. The MDP can send upstream data at
speeds up to V.34 rates.
In V.34 data mode (RP56 and RP336), the MDP can
connect at the highest data rate the channel can support
from 33.6 kbps to 2400 bps with auto-fallback to V.32bis.
In V.32 bis mode, the MDP can connect at the highest
data rate the channel can support from 14.4 kbps to 4800
bps with optional auto-fallback to lower rate modulations. Internal HDLC support eliminates the need for an external serial input/output (SIO) device in the DTE for products incorporating error correction and T.30 protocols.
Voice mode includes an Adaptive Differential Pulse Code Modulation (ADPCM) voice coder and decoder (codec). The codec compresses and decompresses voice signals for efficient digital storage of voice messages. The codec operates at 28.8k, 21.6k, or 14.4k bps (4-bit, 3-bit, or 2-bit quantization, respectively) with a 7.2 kHz or 8.0 kHz sample rate.
A voice pass-through mode allows the host to transmit and receive uncompressed voice samples in 16-bit linear form at 7.2 kHz, 8.0 kHz, or 11.025 kHz sample rate, or in 8-bit A-Law/-Law PCM form at 8.0 kHz sample rate. SP models support position-independent full-duplex speakerphone (FDSP) operation using a dual internal integrated analog circuit to interface with the telephone line and the audio input/out (i.e., a headset, handset, or a microphone with external speaker).
SP models in 144-pin TQFP also support a 4-line voice serial interface used to transfer 16-bit linear or 8-bit ALaw/ -Law PCM FDSP voice samples with acoustic echo cancellation to and from the host. SP models also support AudioSpan (analog simultaneous audio/voice and data) operation at a data rate of 4.8 kbps.
The MDP operates over the public switched telephone network (PSTN) through the appropriate line termination.
RP56LD Features
` 2-wire full-duplex
- V.90 and K56flex (RP56 models)
- V.34 (33.6 kbps) (RP56 and RP336 models)
- V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21
- Bell 212 and 103
` 2-wire half-duplex
- V.34 fax, V.17, V.33, V.29, V.27 ter, and V.21 ch 2
- Bell 208
- Short train option in V.17 and V.27 ter
` Serial synchronous and asynchronous data
` Parallel synchronous and asynchronous data
` Parallel synchronous SDLC/HDLC support
` In-band secondary channel (V.34 and V.32 bis)
` Automatic mode selection (AMS)
` Automatic rate adaption (ARA)
` Digital near-end and far-end echo cancellation
` Bulk delay for satellite transmission
` ADPCM voice mode (7.2 kHz or 8.0 kHz)
` Voice pass-through mode (7.2 kHz, 8.0 kHz, or 11.025 kHz)
` Full-duplex speakerphone (SP models)
- Acoustic and line echo cancellation
- Programmable microphone AGC
- Microphone volume selection and muting
- Speaker volume control and muting; room monitor
` Voice serial data interface (144-pin TQFP, SP models)
- 16-bit linear or 8-bit A-Law/-Law PCM voice
samples
- FDSP support with acoustic echo cancellation
` AudioSpan (SP models)
- ITU-T V.61 modulation (4.8 kbps data plus audio)
- Handset, headset, or half-duplex speakerphone
` TTL and CMOS compatible DTE interface
- ITU-T V.24 (EIA/TIA-232-E) (data/control)
- Microprocessor bus (data/configuration/control)
` Dynamic range: -9 dBm to -43 dBm
` Adjustable speaker output to monitor received signal
` DMA support interrupt lines
` Transmit and receive (16+128)-byte FIFO data buffers
` NRZI encoding/decoding
` 511 pattern generation/detection
` V.8 and V.8 bis signaling
` V.13 signaling
` Diagnostic capability
- V.54 inter-DCE signaling
- V.54 local analog and remote digital loopback
` +3.3V operation with +5V tolerant inputs
- +5V or +3.3V analog signal interface
` Low power consumption:
- Normal Mode = 260 mW; Sleep Mode = 40 mW
` Low profile, small footprint package
- 100-pin PQFP or 144-pin TQFP
- Meets PC Card Type II envelope requirements
- V.90 and K56flex (RP56 models)
- V.34 (33.6 kbps) (RP56 and RP336 models)
- V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21
- Bell 212 and 103
` 2-wire half-duplex
- V.34 fax, V.17, V.33, V.29, V.27 ter, and V.21 ch 2
- Bell 208
- Short train option in V.17 and V.27 ter
` Serial synchronous and asynchronous data
` Parallel synchronous and asynchronous data
` Parallel synchronous SDLC/HDLC support
` In-band secondary channel (V.34 and V.32 bis)
` Automatic mode selection (AMS)
` Automatic rate adaption (ARA)
` Digital near-end and far-end echo cancellation
` Bulk delay for satellite transmission
` ADPCM voice mode (7.2 kHz or 8.0 kHz)
` Voice pass-through mode (7.2 kHz, 8.0 kHz, or 11.025 kHz)
` Full-duplex speakerphone (SP models)
- Acoustic and line echo cancellation
- Programmable microphone AGC
- Microphone volume selection and muting
- Speaker volume control and muting; room monitor
` Voice serial data interface (144-pin TQFP, SP models)
- 16-bit linear or 8-bit A-Law/-Law PCM voice
samples
- FDSP support with acoustic echo cancellation
` AudioSpan (SP models)
- ITU-T V.61 modulation (4.8 kbps data plus audio)
- Handset, headset, or half-duplex speakerphone
` TTL and CMOS compatible DTE interface
- ITU-T V.24 (EIA/TIA-232-E) (data/control)
- Microprocessor bus (data/configuration/control)
` Dynamic range: -9 dBm to -43 dBm
` Adjustable speaker output to monitor received signal
` DMA support interrupt lines
` Transmit and receive (16+128)-byte FIFO data buffers
` NRZI encoding/decoding
` 511 pattern generation/detection
` V.8 and V.8 bis signaling
` V.13 signaling
` Diagnostic capability
- V.54 inter-DCE signaling
- V.54 local analog and remote digital loopback
` +3.3V operation with +5V tolerant inputs
- +5V or +3.3V analog signal interface
` Low power consumption:
- Normal Mode = 260 mW; Sleep Mode = 40 mW
` Low profile, small footprint package
- 100-pin PQFP or 144-pin TQFP
- Meets PC Card Type II envelope requirements
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