FM336PLUS-D CONEXANT [Conexant Systems, Inc], FM336PLUS-D Datasheet

FM336PLUS-D

Manufacturer Part Number

FM336PLUS-D

Description

V.34/Group 3 High Performance Fax Modem Family

Manufacturer

CONEXANT [Conexant Systems, Inc]

Datasheet

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FM336Plus

V.34/Group 3 High Performance Fax Modem Family

The Conexant™ FM336Plus High Performance Fax Modem family offers

ITU-T V.34 half-duplex mode operation that supports synchronous Group 3

facsimile send and receive speeds up to 33600 bits per second (bps).

The FM336Plus-D and FM336Plus-D90 support ITU-T V.34 duplex data

and synchronous/asynchronous modes with rates up to 33600 bps. The

FM336Plus-D90 also supports ITU-T V.90 PCM mode, which can receive

data at speeds up to 56 kbps.

The device has low voltage operation and is housed in a 100-pin Plastic Quad

Flat Package (PQFP). The modem’s small size and low power consumption

allow the design of compact system enclosures for use in industrial, office, and

home environments. Table 1 lists the FM336Plus Modem Family models and

features.

Utilizing V.34 and V.90 techniques to optimize modem configuration for line

conditions, the modem connects at the optimal selected data rate that the

channel can support from 2400 bps up to 56000 bps. The modem can operate

over the Public Switched Telephone Network (PSTN) through a line terminator

provided by a Data Access Arrangement (DAA).

The FM336Plus is backward pin compatible with the previous Conexant FM336

fax modem, and supports all features of the FM336 family. The FM336Plus also

has numerous feature and performance enhancements. For more information

on the enhancements, refer to the FM336Plus High Performance Fax Modem

Designer’s Guide (document 101360).

Table 1. FM336Plus Modem Family Models and Features

FM336Plus

FM336Plus-D

FM336Plus-D90

Data Sheet

Modem Model

CX06832-11

CX06832-12

CX06832-13

CX06832-14

CX06832-15

CX06832-16

Number

Part

V.34

Fax

Yes

Mode

Data

(–D)

Yes

V.90 PCM

(-D90)

Mode

Yes

Proprietary Information

Conexant

Oscillator

Clock

Yes

Clock Input

Crystal

Clock

Yes

Features

(Entire FM336Plus Family)

2-wire half-duplex fax modem modes

with send and receive data rates up to

33600 bps

2-wire duplex data modem modes

PSTN session starting

HDLC support at all speeds

Tone modes and features

Serial synchronous data

Parallel synchronous data

Automatic Rate Adaptation (ARA) in

V.34 half-duplex

Auto-dial and auto-answer control

TTL and CMOS compatible DTE

interface

Receive dynamic range:

Quick Start for V.34 half-duplex

(Conexant Proprietary)

Caller ID Demodulation

Call Waiting Detector

ADPCM Voice Mode

V.34 half-duplex, V.17, V.33, V.29,

V.27 ter, and V.21 channel 2

Short train option in V.17 and

V.27 ter

V.21, V.23 (75 bps TX/1200 bps RX

or 1200 bps TX/75 bps RX)

V.8 and V.8bis signaling

Flag generation, 0-bit stuffing, ITU

CRC-16 or CRC-32 calculation and

generation

Flag detection, 0 bit deletion, ITU

CRC-16 or CRC-32 check sum

error detection

FSK flag pattern detection during

high-speed receiving

Programmable single or dual tone

generation

DTMF receiver

Tone detection with three

programmable tone detectors

ITU-T V.24 (EIA/TIA-232-E)

(data/control)

Microprocessor bus

(data/configuration/control)

0 dBm to –43 dBm for V.17, V.33,

V.29, V.27 ter and V.21

–9 dBm to –43 dBm for V.34 half-

duplex

December 1, 2000

Doc. No. 101361A

Related parts for FM336PLUS-D

FM336PLUS-D Summary of contents

Page 1

... The FM336Plus-D and FM336Plus-D90 support ITU-T V.34 duplex data and synchronous/asynchronous modes with rates up to 33600 bps. The FM336Plus-D90 also supports ITU-T V.90 PCM mode, which can receive data at speeds kbps. The device has low voltage operation and is housed in a 100-pin Plastic Quad Flat Package (PQFP). The modem’ ...

Page 2

... FM336Plus Features (Entire FM336Plus Family Continued) Programmable RLSD turn-on and turn-off thresholds Programmable transmit level –15 dBm Adjustable speaker output to monitor received signal DMA support for interrupt lines Two 16-byte FIFO data buffers for burst data transfer with extension up to 255 bytes Diagnostic capability V ...

Page 3

... ITU-T V.90 PCM MODE (-D90) The ITU-T V.90 PCM mode can receive data at speeds kbps from a digitally connected V.90 central site modem. The FM336Plus-D90 takes advantage of the PSTN which is primarily digital to the central office local loop (except for the client modem) and is ideal for applications such as remote access to an Internet Service Provider (ISP), online service, or corporate intranet ...

Page 4

... FM336Plus Supervisory Tone Detection Three parallel tone detectors (A, B, and C) are provided for supervisory tone detection. The signal path to these detectors is separate from the main received signal path. Each tone detector consists of two cascaded second order IIR biquad filters. The coefficients are host programmable ...

Page 5

... V.34 Low Carrier Frequency (Hz) 1600 1680 1800 1829 1959 Conexant FM336Plus Bits/Symbol Bits/Symbol Constellation Data TCM Points Dynamic — — Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 ...

Page 6

... TXFIFO. Status bits indicate when the TXFIFO is not full, the TXFIFO is half-full (eight or more bytes loaded), the RXFIFO is empty, and the RXFIFO is half- full. An interrupt mask register allows an interrupt request to be generated whenever the status bits change state. Conexant FM336Plus 6 ...

Page 7

... XTLI (pin 85) and XTLO (pin 86). For the oscillator source, the oscillator is connected to CLKIN (pin 85) and XTLO (pin 86) is not connected. Package Dimensions Figure 3 shows the package dimensions. Additional Information Additional design information is described in the FM336Plus V.34/Group3 High Performance Fax Modem Designer’s Guide. Conexant FM336Plus 7 ...

Page 8

... FM336Plus /RTS /CTS TXD TDCLK XTCLK /RLSD V.24 Interface RXD /RDCLK /DTR /DSR** /RI* /RD /WR /CS D7:0 Host RS4:0 Processor IRQ /RESET TXRQ* RXRQ** * Selectable; TXRQ output replaces /RI output. ** Selectable; RXRQ output replaces /DSR output. 8 V.34/Group 3 High Performance Fax Modem Family Figure 1 ...

Page 9

... V.34/Group 3 High Performance Fax Modem Family Figure 2. FM336Plus Family Modem Pin Assignments—100-Pin PQFP 101361A Conexant FM336Plus 9 ...

Page 10

... FM336Plus Pin Signal Label I/O Type 1 RESERVED — 2 RS2 IA 3 RS3 IA 4 RS4 /RDCLK OA 9 /RLSD OA 10 TDCLK OA 11 TXD IA 12 /CTS OA 13 VDD1 PWR 14 RESERVED — 15 RESERVED — 16 VSS GND 17 NC — 18 /RESET OA 19 SR4OUT — ...

Page 11

... C 88 250 8 20 Table 5. Absolute Maximum Ratings Symbol V DD1 V IND STG V INA ESD I TRIG Conexant FM336Plus Power (PD) Maximum Power (mW) @ 0° C Notes 320 30 Limits Units –0.5 to +3.6 V –0.5 to (+5VD +0.5) V –0 to +70 ° C –55 to +125 ° C –0.3 to (+5VA + 0.3) V – ...

Page 12

... FM336Plus CHAM (4X PIN 1 REF DETAIL A 12 V.34/Group 3 High Performance Fax Modem Family TOP VIEW Figure 3. Package Dimensions 100-Pin PQFP — Conexant See detail A E1 SIDE VIEW Millimeters Inches Dim. Min. Max. Min. Max. A 2.4 MAX ...

Page 13

INSIDE COVER BACK PAGE Conexant ...

Page 14

Further Information Europe North – England literature@conexant.com Phone: +44 1344 486444 (800) 854-8099 (North America) Fax: (949) 483-6996 (International) Printed in USA Europe – Israel/Greece Phone: +972 9 9524000 World Headquarters Fax: Conexant Systems, Inc. 4311 Jamboree Road Europe South ...

Page 15

... This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components. ...

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