
Integrated Digital Telephone System-On-Chip
DSP with Embedded 
μ
C Function, AFE, 1-3        CODECS, PLL & RTC
∑
Telephone
Line
Line
Interface
Base
Handset/RF
CODEC
∑
CODEC
∑
CODEC
∑
PLL
RTC
IOM2
Interface
LED/LCD
Dspay
Keypad
Flash/ARAM
Memory
MUX
D16000
DSP
DSP
Speech
Processor
Host
Controler
D16000 – The Leading Family of  DSP
“System-On-Chip” Products
The D16000 Family of products provides real,
single system chip solutions for Integrated Digital
Telephones including advanced Digital Answering
and Feature Phone applications. The  Family’s
open architecture allows for standard product
configuration with internal or external Host
Controller with fixed functionality - or custom
solution with internal programmable Host
Controller.
TrueSpeech
 Voice Compression
 Superior Quality TrueSpeech
 Triple Rate
Coder
 for optimzation of voice quality and recording
time. Enables selectable recording times: 11, 15, 25
minutes per 4Mb of memory.
 High-Quality TrueSpeech
 Low-Rate Coder
enables 15  minutes of recording time per 4Mb of
memory.
    Highlights
Embedded Sigma Delta CODECS
  Analog Front End and Host Controller
 True Full Duplex SpeakerPhone
 with
  both acoustical and near-end echo cancellation
 Caller ID (CID), CID on Call Waiting
  (CWCID) (Bell 202 & V.23)
 Supports External Flash & ARAM
  Message Memory
 IOM-2 Interface for
   Direct Connection to ISDN and DECT
 Language Independent Voice Recognition
 Optional Internal or External
   Host Controller Configuration
 TrueSpeech
 Natural Voice Prompting (Optional)
 Flexispeech
 Playback at variable
   speed (50%-200%)
Multiple OGM and Mailbox Playback and Recording
 Call Progress, Tone Detection
 Automatic Gain Control (AGC) specifically for
  Speech in Telephony environments
D16000 System-On-Chip Family
Real Single System Chip Solutions