參數(shù)資料
型號(hào)： UPD9930G-22
廠商： NEC Corp.
元件分類： Codec
英文描述： LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
中文描述： 線性編解碼器數(shù)字蜂窩電話
文件頁數(shù)： 1/78頁
文件大?。?/td> 336K
代理商： UPD9930G-22
1994,1996
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD9930
LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
The
μ
PD9930 is a +3 V single power operation, low power consumption linear CODEC LSI developed for digital
cellular telephone use.
CODEC has a wide dynamic use.
This IC also features a microphone/receiver amplifier, a tone generator, DAI (Digital Audio Interface: conforming
to GSM11.10), and a power-saving function. These functions can be controlled by microcontroller.
In addition, 21 mW (TYP.) low power consumption is enabled during 3 V operation.
FEATURES
+3 V single power supply
Low power consumption
In operation: 7 mA (TYP.) (V
DD
= 3 V)
In stand-by mode: 50
μ
A (TYP.) (V
DD
= 3 V)
CODEC
13-bit precision linear coding
Transmission level can be controlled by microcontroller.
Analog input/output funciton
Low noise microphone amplifier
High output receiver amplifier
Piezo-electric receiver can be directly driven.
Gain canbe controlled by microcontroller.
On-chip amplifier for accessory input/output
Tone generator
Frequency, generating pattern and gain can be controlled
by microcontroller.
DTMF generation function
Various service tone generation function
GSM triple tone generation function
Desired tone frequency can be registered (0.3 to 3.4 kHz)
Document No. S11616EJ2V0DS00 (2nd edition)
(Previous No. IC-3342)
Date Published November 1996 N
Printed in Japan
The information in this document is subject to change without notice.
DAI
Conforming to GSM11.10
Test mode can be set by terminal or microcontroller
command.
Stand-by mode
Rise time at time of stand-by clearing: 30.5 ms (TYP.)
Master clock generation PLL (external clock input: 8 kHz)
Tone interrupt pattern output function
Ringer output function
ORDERING INFORMATION
Part Number
μ
PD9930G-22
Package
44-pin plastic QFP (10
×
10 mm)
The mark
shows major revised points.
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