Si3233
PROSLIC® PROGRAMMABLE CMOS SLIC WITH
RINGING/BATTERY VOLTAGE GENERATION
Features
ꢀ
Software Programmable SLIC with ꢀ Software programmable signal
codec interface
generation and audio processing:
ꢁ
Phase-continuous FSK (caller ID)
generation
Dual audio tone generators
Smooth and abrupt polarity reversal
ꢀ
Software programmable internal
balanced ringing up to 90 VPK
(5 REN up to 4 kft, 3 REN up to 8 kft)
Integrated battery supply with dynamic
voltage output
ꢁ
ꢁ
ꢀ
ꢀ
Extensive test and diagnostic
features
ꢁ
On-chip dc-dc converter continuously
minimizes power in all operating modes
Entire solution can be powered from a
single 3.3 V or 5 V supply
ꢁ
Realtime dc linefeed measurement
GR-909 line test capabilities
Ordering Information
ꢁ
ꢁ
ꢀ
ꢀ
ꢀ
SPI control interface
See page 95.
Extensive programmable interrupts
100% software configurable global
solution
ꢁ
ꢁ
3.3 V to 35 V dc input range
Dynamic 0 V to –94.5 V output
ꢀ
Software programmable linefeed
parameters:
Pin Assignments
ꢀ
Lead-Free and RoHS-compliant
ꢁ
Ringing frequency, amplitude, cadence,
QFN Package
and waveshape
ꢁ
ꢁ
ꢁ
2-wire ac impedance
constant current feed (20 to 41 mA)
Loop closure and ring trip thresholds and
filtering
38 37 36 35 34 33 32
Applications
NC
FSYNC
RESET
SDCH
SDCL
VDDA1
IREF
CAPP
QGND
CAPM
STIPDC
SRINGDC
1
2
3
4
31 SDITHRU
30
29
28
27
26
25
24
23
22
21
20
DCDRV
DCFF
TEST1
GNDD
VDDD
ITIPN
ITIPP
VDDA2
IRINGP
IRINGN
IGMP
ꢀ Interface to Broadcom devices
ꢁ BCM11xx residential gateway
ꢁ BCM3341 VOIP processor
ꢁ BCM33xx cable modem
ꢀ Voice over IP
ꢀ Terminal adapters
ꢀ Fixed cellular terminal
5
6
7
8
Description
9
10
11
12
®
The Si3233 ProSLIC is a low-voltage CMOS device that provides a multi-functional
subscriber line interface ideal for customer premise equipment (CPE) applications.
The ProSLIC integrates subscriber line interface circuit (SLIC) and battery generation
functionality into a single CMOS integrated circuit. The integrated battery supply
continuously adapts its output voltage to minimize power and enables the entire
solution to be powered from a single 3.3 V (Si3233M only) or 5 V supply. The ProSLIC
controls the phone line through Silicon Labs’ Si3201 Linefeed IC or discrete circuitry.
13 14 15 16 17 18 19
Si3233 features include software-configurable 5 REN internal ringing up to 90 V
,
PK
DTMF generation, and a comprehensive set of telephony signaling capabilities for
operation with only one hardware solution. The ProSLIC is packaged in a 38-pin QFN
and the Si3201 is packaged in a thermally-enhanced 16-pin SOIC.
Patents pending
U.S. Patent #6,567,521
U.S. Patent #6,812,744
Other patents pending
Functional Block Diagram
INT RESET
Si3233
Ringing Generator
Loop Closure Detect
Ring Trip Detect Line
Diagnostics
CS
SCLK
SDO
SDI
Tone Generators
FSK Caller ID
Impedance Synth
SLIC
Tip
Linefeed Control
Linefeed
Interface
Ring
Linefeed Monitor
FSYNC
PCLK
DC–DC Converter Controller
Battery
Preliminary Rev. 0.5 4/06
Copyright © 2006 by Silicon Laboratories
Si3233
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
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