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参数资料
| 型号： | DS2164Q |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Codec |
| 英文描述： | A/MU-LAW, ADPCM CODEC, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 1/17页 |
| 文件大小： | 304K |
| 代理商： | DS2164Q |
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FEATURES
Compresses/expands 64kbps PCM voice
to/from either 32 kbps, 24 kbps, or 16 kbps
as per the CCITT/ITU G.726 specification
Dual, fully independent channel architecture;
device can be programmed to perform either:
-
two expansions
-
two compressions
-
one expansion and one compression
Interconnects directly to combo-codec
devices
Input to output delay is less than 375
s
Simple serial port used to configure the
device
Onboard Time Slot Assigner Circuit (TSAC)
function allows data to be input/output at
various time slots
Supports Channel Associated Signaling
Each channel can be independently idled or
placed into bypass
Available hardware mode requires no host
processor; ideal for voice storage
applications
Backward-compatible with the DS2165
ADPCM Processor Chip
Single +5V supply; low-power CMOS
technology
Available in 28-pin PLCC
PIN ASSIGNMENT
DESCRIPTION
The DS2164Q ADPCM Processor Chip is a dedicated Digital Signal Processing (DSP) chip that has been
optimized to perform Adaptive Differential Pulse Code Modulation (ADPCM) speech compression at
three different rates. The chip can be programmed to compress (expand) 64kbps voice data down to (up
from) either 32kbps, 24kbps, or 16kbps. The compression follows the algorithm specified by CCITT
Recommendation G.726. The DS2164Q can switch compression algorithms on-the-fly. This allows the
user to make maximum use of the available bandwidth on a dynamic basis.
OVERVIEW
The DS2164Q contains three major functional blocks: a high performance (10 MIPS) DSP engine, two
independent PCM interfaces (X and Y) which connect directly to serial Time Division Multiplexed
(TDM) backplanes, and a serial port that can configure the device on-the-fly via an external controller. A
DS2164Q
G.726 ADPCM Processor
www.dalsemi.com
28-Pin PLCC
NC
A0
A1
A2
A3
A4
FSY
YOUT
CS
SDI
SCLK
XOUT
A5
NC
TM1
TM0
RS
T
NC
VD
D
YIN
CLK
Y
SP
S
MC
L
K
VS
S
NC
XIN
CLK
X
FS
X
25
24
23
22
21
20
19
5
6
7
8
9
10
11
4
3
2
1
28
27
26
12
13 14
15
16
17
18
相关PDF资料 |
PDF描述 |
|---|---|
| DS2165QL | A/MU-LAW, ADPCM CODEC, PQCC28 |
| DS2165Q | A/MU-LAW, ADPCM CODEC, PQCC28 |
| DS2165QN | A/MU-LAW, ADPCM CODEC, PQCC28 |
| DS2172T | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| DS2172TN | SPECIALTY TELECOM CIRCUIT, PQFP32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2164Q/T&R | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR 28PIN PLCC T&R - Tape and Reel |
| DS2164Q/T&R+ | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR 28P PLCC T&R LF - Tape and Reel |
| DS2164Q/T&R | 功能描述:数字信号处理器和控制器 - DSP, DSC RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| DS2164Q+ | 功能描述:数字信号处理器和控制器 - DSP, DSC RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| DS2164Q+T&R | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR 28PLCC - Tape and Reel |
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