CXD9450-13 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

CXD9450-13

Single-Chip FaxEngine Product Family

Unspecified 

Single-Chip FaxEngine and Integrated Analog Device

• Microprocessor and Bus Interface Features (Cont’d)

− Moveable external SRAM memory (CS0n)

up to 1 MB

− External ROM memory (covered by ROMCSn)

up to 2 MB

− Internal Interrupt controller

• T.4/T.6 Compression and Decompression in Hardware

− MH/MR

− MMR

− Alternating Compression/Decompression

• Scanner/Printer Stepper Motor Control

− Four outputs to external current drivers for the

scanner stepper motor

− Four outputs to external current drivers for the printer

stepper motor

− Programmable for acceleration/deceleration

• Scanner and Video Control

− CIS or CCD scanners supported

− 6 programmable control signals

− B4/A4 scanner support

− 5 ms minimum line time

− Embedded scanner Pipeline A/D

− Line lengths up to 2616 pixels

− Built-in Programmable Clamping, Analog Gain

Control, and Sample/Hold circuits

• Video Processing

− Two modes of shading correction

− Dark level correction

− Gamma correction and MTF

− 2-D Error Diffusion or Dithering

− Multi-level B4-A4 fixed resolution conversion

• Bi-Level Resolution Conversion

− Programmable bi-level resolution conversion block

provides expansion or reduction on the T.4/T.6

decompressed data or scan image data

− Programmable image expansion up to 200% or

reduction down to 60%

− Vertical line ORing

• Printer Interface Supports Thermal or Thermal Transfer

Printers

• Optional Plain Paper Inkjet Printer Support

• Dedicated Interface to Support Operator Panel

− 32 key direct support

− 8 LED direct support

− LCD support

• Two Synchronous Interface (SSIF)

• Synchronous/Asynchronous Interface (SASIF)

• Programmable Tone Generator

− Frequency and output levels are programmable

Single-Chip FaxEngine Product Family

• General Purpose Inputs/Outputs

− 38 GPIO and 32 GPO lines are provided

• Embedded Modem DSP

− Supports speeds up to 14400 bps and V.21 Channel

2 transmission/reception

− Supports HDLC framing and detection

− Supports DTMF generation/reception

− Supports CID reception

• External Integrated Analog (IA) Device

• Optional DTAM Support

− V24 24 minutes of voice storage per 4 Mbits

of memory

− ADPCM codec

− PCM codec

− Near-end echo cancellation

• Optional Duplex Speakerphone

− Speakerphone IA support

− Acoustic Echo Cancellation

− Line Echo Cancellation or Secondary Acoustic Echo

Cancellation

• Real-Time Clock with Battery Backup

• Programmable Watchdog Timer

• EMI Reduction on Pads

• Stand-by and Sleep Modes to Reduce Power

Consumption

• On-chip or Off-chip Power Up/Down Detection

• 3.3 V Operation

• 3.3 V Compatible Interface

• Compact Packages

− CXD9450-xx: 176-pin TQFP

− 20415-xx: 32-pin TQFP (not shown, refer to

document number 100550)

• Modular Firmware

− Real-time multitasking environment

− Fax transmit, receive, and copy

− T.30 protocol

− T.4/T.6 compression and decompression hardware

support and control

− Image expansion or reduction

− Page memory functions

− Call progress support

− Caller ID support

• Versatile Evaluation System

− Provides demonstration, development and evaluation

capabilities

− MC24 software development tool kit

100544C

Conexant

3

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