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): 2/30頁(yè)
文件大?。?/td> 147K
代理商: KS16121
Preliminary
DSP for Digital Answering phone with FLASH interface
KS16121
BLOCK DIAGRAM
KS16121
ROM/EPROM
for
Voice Prompt
Flash Memory
( 0.5M x 8 or
2M x 8 )
Program ROM
DSP Core
Data RAM
Memory
Interface
Host
Inter-
face
Codec
Inter-
face
Host
Codec
Optional Codec
for speaker phone
Figure 1 Block Diagram of KS16121
Voice Prompt
CHIP CONFIGURATION
KS16121
: DSP for Digital Answering Phone with SAMSUNG NAND Flash memory Interface ( 80 QFP )
KS8620 / KT8554
: Analog in / out interface (
μ
- law PCM CODEC ) -- 16 DIP / 16 WIDE SOP
1 for normal operation & 2 for speakerphone
KM29N040 / 1600
: SAMSUNG NAND Flash memory with 512K x 8 ( 4 M ) or 2M x 8 ( 16 M ) organization
External ROM / EPROM
: Each 64 Kbytes block can supports up to 98.5 seconds of Voice prompts.
This is user option for voice prompt which is in the external ROM / EPROM or
in a part of Flash memory, but not both.
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