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器件3D模型￥ 12.93
SI3000-C-FS 其他数据使用手册 - Silicon Labs（芯科）
制造商:
Silicon Labs（芯科）
分类:
编解码器
封装:
SOIC-16
描述:
音频编解码器, 音频, 1, 1, 0 °C, 70 °C
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3D模型
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引脚图
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引脚图在P1P55P56P57P58Hot
典型应用电路图在P5P12P70
原理图在P1P5P12P18
封装尺寸在P63P66
型号编码规则在P1P59
标记信息在P60P61P62
功能描述在P18
技术参数、封装参数在P5P9
应用领域在P1
电气规格在P5
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SI3000-C-FS数据手册
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若手册格式错乱，请下载阅览PDF原文件
Rev. 1.0 7/11 Copyright © 2011 by Silicon Laboratories Si2494/39
Ordering Information
This data sheet is valid only for
those chipset combinations listed
on page 59.
Pin Assignments
N/C
GPIO24, D4
GPIO25, D3
GPIO16, D2
GPIO17, D1
GPIO18, D0
INT
CLKIN/XTALI
XTALO
N/C
EECLK
VDD
ESC, D5
DCD, D6
GND
N/C
RTS, SS, D7
TXD, MOSI, WR
RXD, MISO, RD
CTS, SCLK, CS
C1A
C2A
AOUTb
RI
EECS
FSYNC
CLKOUT
VDD
GND
RESET
SDI
SDO
EESDI
EESDO
Si2494/39
5 x 7 mm
QFN
31
38
1
2
3
4
5
6
7
8
9
10
11
19181716151413
12
30
29
28
27
26
25
24
23
22
21
20
GPIO1
GPIO11, A0
VREG
AOUT
37 36 35 34 33 32
QE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DCT
RX
IB
C1B
C2B
VREG
RNG1
RNG2
VREG2
SC
QE2
QB
DCT3
IGND
DCT2
1
Si3018
Si2494/39
V.92 AND V.34 ISOMODEM
®
WITH GLOBAL DAA
Features
Applications
Description
The Si2494/39 ISOmodem is a full-featured ITU V.92/V.34-compliant modem that
provides connect rates of up to 56 kbps, full-duplex, over the public switched
telephone network (PSTN). Offered as a chipset with the Si2494/39 system-side
device and the Si3018 line-side device, the ISOModem utilizes Silicon
Laboratories’ patented direct access arrangment (DAA) technology to provide a
programmable telephone line interface with an unparalleled level of integration.
This compact solution eliminates the need for a separate DSP, modem controller,
codec, transformer, relay, opto-isolators, clocking crystal, and 2-4 wire hybrid. The
addition of the Si3000 voice codec supports a voice handset and/or full-duplex
speakerphone. Voice pass-through with optional compression supports tapeless
answering machine, music-on-hold, voice menus, etc. The Si2494/39 is ideal for
embedded modem applications due to its flexibility, small footprint, and minimal
external component count.
System Block Diagram
Data modem formats
ITU-T, Bell
300 bps up to 56 kbps
V.21,V.22, V.29 Fast Connect
V.44, V.42, V.42bis, MNP2-5
Automatic rate negotiation
V.92 PCM upstream
V.92 Quick connect
V.92 Modem on hold
Type I and II caller ID decode
No external ROM or RAM required
UART, SPI, or parallel interface
Flexible clock options
Low-cost 32.768 kHz oscillator
4.915 MHz oscillator
27 MHz clock input
Integrated DAA
Over 6000 V capacitive isolation
Parallel phone detect
Globally-compliant line interface
Overcurrent detection
AT command set support
SMS / MMS support
Firmware upgradeable
EEPROM interface
Commercial or industrial
temperature range
DTMF detection/generation
Si3000 Voice Codec Interface
Hardware support for mic,
speaker, and/or handset
Programmable voice filters,
limiters, and sidetone
Supports TBR-38, TIA/EIA-
4790 and other voice
standards
Voice pass through with
compression
Supports telephone
answering machine, music
on hold, voice menus, etc
Full-duplex speakerphone
support
Line echo cancellation
Acoustic echo cancellation
Point-of-sale terminals
Security
Medical
Remote monitoring
Host
CPU
Host Interface Telco
Si3018
Line
Side
Global
DAA
BOM
Tip
Ring
UART
SPI
Parallel
Capacitive
Isolation Barrier
Si2494
System
Side
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