參數(shù)資料
型號(hào)： KS16121
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： DSP for Digital Answering Phone(用于數(shù)字應(yīng)答電話的DSP)
中文描述： DSP的數(shù)字應(yīng)答電話（用于數(shù)字應(yīng)答電話的數(shù)字信號(hào)處理器）
文件頁(yè)數(shù)： 1/30頁(yè)
文件大?。?/td> 147K
代理商： KS16121
Preliminary
DSP for Digital Answering phone with FLASH interface
KS16121
FEATURES
High-performance speech compression algorithm
Voice activation and silence compaction for longer recording time
Digital speaker phone with acoustic and line - echo cancellers,
full - duplex operation under the double talk condition
Supports Caller ID Reception and Storage during on - hook / off - hook
Advanced flash memory management for maximum recording time
and reliable data storage
DTMF detection with near-end echo cancellation, and programmable tone generation
Programmable call progress tone detection for busy and / or dial tones
Supports high-quality voice prompts from ROM / EPROM or Flash memory
Supports multiple message attributes for time stamp, mail box and other applications
Storage for 128 voice messages and 128 16-bit data or 32 telephone numbers
8-bit host interface for easy access and control
Supports up to four 4M( 512K x 8) bit or one 16M( 2M x 8 ) bit FLASH memory
from SAMSUNG Electronics, KM29N040 and KM29N1600
KS16121 is a digital signal processor IC that implements all the funct-
ions and hardware interfaces necessary for voice compression, storage
and digital telephone answerer.
The basic functions include low bit-rate speech compression, efficient
flash memory management through table look-ups, full - duplex digital
speaker phone, caller - ID reception, variable speed playback ( VSP ) at
the rate of 50% to 200%, DTMF tone generation and detection, call
progress tone detection and high quality voice prompts.
The on-chip interface units provide the access to 4M / 16M flash
memories, optional ROM / EPROM and two PCM codecs without any
glue logic. All the clock and control signals are generated on - chip.
KS16121 supports a simple command / status interface protocol for an
external host controller. The host writes commands to activate various
modes of operations supported by the chip and reads status words to
monitor its operation.
KS16121 is manufactured with SAMSUNG 0.8
μ
CMOS technology that
guarantees reliable performance with low power dissipation.
++ Under development
ORDERING INFORMATION
80-QFP-1420C
INTRODUCTION
Device
Package
Operating Temperature
++KS16121Q
- 20
o
C ~ + 70
o
C
80 - QFP - 1420C
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