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參數(shù)資料
| 型號： | L2702 |
| 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)： | 18/24頁 |
| 文件大?。?/td> | 210K |
| 代理商： | L2702 |
SmartACFL
V.90/K56flex Modem Device Sets with SmartDAA Technology for Low Power Applications
18
Conexant
Doc. No. 100444A
Proprietary Information
VC (20437) Hardware Pins and Signals
(S Models)
General
Microphone and analog speaker interface signals, as
well as telephone handset/head interface signals are
provided to support functions such as speakerphone
mode, telephone emulation, microphone voice
record, speaker voice playback, and call progress
monitor.
Speakerphone Interface
The following signals are supported:
Speaker Out (M_SPKR_OUT); analog output -
Should be used in speakerphone designs where
sound quality is important.
Microphone (M_MIC_IN); analog input
Telephone Handset/Headset Interface
Telephone Input (M_LINE_IN), input (TELIN)
–
Optional connection to a telephone handset a
telephone handset interface circuit.
Telephone output (M_LINE_OUTP); output
(TELOUT) - Optional connection to a telephone
handset interface circuit.
Center Voltage (VC_HANDSET); output reference
voltage.
MDP Interface
The following interface signals are supported:
Reset (POR); input
Sleep (SLEEP); input
Master Clock (M_CLKIN); input.
Serial Clock (M_SCK); output.
Control (M_CNTRLSIN); input
Serial Frame Sync (M_STROBE); output.
Serial Transmit Data (M_TXSIN); input.
Serial Receive Data (M_RXOUT); output.
VC Interface Signals and Pin Assignments
The VC (20437) 32-pin TQFP hardware interface
signals are shown by major interface in Figure 9.
The VC (20437) 32-pin TQFP pin signals are shown
in Figure 10.
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