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參數(shù)資料
| 型號： | 20463 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SmartACFL Modem |
| 中文描述： | SmartACFL調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 210K |
| 代理商： | 20463 |
SmartACFL
V.90/K56flex Modem Device Sets with SmartDAA Technology for Low Power Applications
4
Conexant
Doc. No. 100444A
Proprietary Information
Detailed Features
General Modem Features
Downloadable Architecture
Downloadable MCU firmware from the host/DTE
Downloadable MDP code modules from the
MCU, transparent to the host
V.90 data modem with receive rates up to 56k bps
and send rates up to V.34 rates
ITU-T V.90, K56flex, V.34 (33.6 kbps), V.32 bis,
V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A
and 103
V.42 LAPM and MNP 2-4 error correction
V.42 bis and MNP 5 data compression
MNP 10EC enhanced cellular performance
V.250 (ex V.25 ter) and V.251 (ex V.25 ter
Annex A) commands
V.22 bis fast connect
Analog cellular direct connect
GSM direct connect
V.17 fax modem with send and receive rates up to
14.4 kbps
ITU-T V.17, V.29, V.27 ter, and V.21 ch. 2
EIA/TIA 578 Class 1 and T.30 Class 1.0
commands
V.80 synchronous access mode supports host-
controlled communication protocols with H.324
interface support
Data/Fax/Voice call discrimination
Hardware-based modem controller
Worldwide operation
US/Japan/Canada/TBR21 and other countries
Caller ID and distinctive ring detection
Call progress, blacklisting
Telephony/TAM
V.253 commands
8-bit
μ
-Law/A-Law coding (G.711)
8-bit/16-bit linear coding
8 kHz sample rate
Concurrent DTMF, ring, and Caller ID detection
Full-duplex speakerphone mode (S models)
Microphone and speaker interface
Telephone handset or headset interface
Acoustic and line echo cancellation
Microphone gain and muting
Speaker volume control and muting
PC Card interface (MCUP only) supports two
functions with programmable I/O and window size
JTAG Boundary Scan support
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)
Flow control and speed buffering
Automatic format/speed sensing
Serial sync/async data; parallel async data
Sleep mode
Thin packages support low profile designs (1.6 mm
max. height)
MCU (L2702): 128-pin TQFP
MDP (P9373): 100-pin TQFP
LSD (20463): 32-pin TQFP
VC (20437): 32-pin TQFP
Description
General
The SmartACFL device set, comprised of separate
microcontroller (MCU), modem data pump (MDP),
and line side device (LSD) devices, provides the
processing core for a complete modem design. The
optional Voice Codec (VC) supports voice/full-duplex
speakerphone (FDSP) operation with interfaces to a
microphone and speaker and to a telephone
handset/headset (S models). The S model can also
be ordered with an RCDSVD Speech Codec
Processor (SCP) in a 100-pin PQFP to support
DSVD.
Modem operation, including dialing, call progress,
telephone line interface, telephone handset interface,
voice/speakerphone interface, and host interface
functions are supported and controlled through the
V.250, V.251, and V.253-compatible command set.
The modem hardware connects to the host via a
parallel, serial, or PC Card interface. The OEM adds
discrete components as required by the modem
model and the application to complete the system
(Table 1). These components may include a crystal
circuit, EEPROM, DIB components, telephone line
interface, optional voice/speakerphone interface, and
optional cellular/GSM interface.
Parallel interface operation, including cellular and
GSM support, is selected by PARIF input high. Serial
interface operation is selected by PARIF input low.
Cellular operation is selected by LINE/CELL input
low. GSM operation is selected by LINE/GSM input
low.
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