MODEM LSI

MODEM LSI
Overview
Applications
The MMD5020CAA1Modem LSI contains DSP core,
program memory and work memory and performs digital
data process of Fax modem and audio signal with AFE
(Analog Front End) or Silicon DAA (Direct Access
Arrangement) device.
1. Secure high quality transmission based on Panafax
performance
- V.34/33.6kbps Super G3 Fax
- High Quality Audio signal processing function
(Voice codec, Digital echo canceller, etc)
MFP, Fax machines, PC-Fax Card, etc.
Specifications
Item
2. Selectable system interface.
- Parallel interface or Serial interface (UART)
- AT Command* is supported in case of Serial interface
・ AT Command (FAX Class1)
・ Automatic baud rate detection *Requires external ROM
Fax Modem
function
Audio signal
processing
function
Voice data multi-pass function
Hands-free communication function
(via digital echo canceller)
Tonal/DTMF signal processing function
Wave form codec function
Voice codec function
MPC, G.711, G.726 (16, 24, 32kbps)
1. Parallel interface
MODEM
MODE DSP
PLL
DPRAM
ROM
UART
RAM
DAA
Line
2. AT Command interface
Host
Command : Type3 interface
Interface : Parallel interface
DPRAM (Dual Port RAM)
MODEM
MODE
DSP
System
interface
PLL
DPRAM
ROM
UART
RAM
DAA
Line
Command : AT Command interface (Fax class1)
Interface : UART (Standard serial interface)
- Automatic baud rate function
- Data transfer speed : 460kbps(max)
AFE (Analog Front End) : 73M1903 (MAXIM)
Applicable
AFE/DAA
ROM※
Package Outline
Function
V.34
(33600bps,2wire type, Half duplex)
V.17
(14400bps,2wire type, Half duplex)
V.29
( 9600bps,2wire type, Half duplex)
V.27ter
( 4800bps,2wire type, Half duplex)
V.23
( 1200bps,2wire type, Half duplex)
V.21ch2
( 300bps,2wire type, Half duplex)
Bell202
( 1200bps,2wire type, Half duplex)
V.8 Procedure
DTMF signal detect function
DTMF signal transmit function
Tonal signal tranmit function
Call ID transfer function
Programmable transmit level
HDLC Framing
Automatic Applicable Line Equalizer
Block Diagram
Host
MMD5020CAA1
Silicon DAA : Si3056/Si3044
(Silicon Laboratories)
Clock
frequency
Input clock frequency : 24.576MHz
Internal clock frequency : 65.536MHz
Power supply
+3.3V, +1.8V
Operating
Temperature
-40∼85℃
Package
QFP 100pin, Pin pitch 0.5㎜
Design and specifications are each subject to change without notice.
Please ask for the latest Product Standards to guarantee
the satisfaction of your product requirements.
No reproduction or republication without written permission.
Panasonic System Networks Co., Ltd.
http://industrial.panasonic.com
As of Oct, 2013