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)： 5/78頁
文件大?。?/td> 336K
代理商： UPD9930G-22
μ
PD9930
5
CONTENTS
1. PIN FUNCTIONS ...........................................................................................................................6
1.1 LIST OF PIN FUNCTIONS ..................................................................................................................... 6
1.2 PIN EQUIVALENT CIRCUIT .................................................................................................................. 8
2. BLOCK FUNCTIONS .....................................................................................................................9
2.1 CODEC .................................................................................................................................................... 9
2.1.1 Audio Codec.............................................................................................................................. 9
2.1.2 Audio Analog Input .................................................................................................................. 9
2.1.3 Audio Analog Output ............................................................................................................. 10
2.1.4 Audio Digital Accessory Output........................................................................................... 11
2.1.5 Audio Digital Signal Processor ............................................................................................ 11
2.1.6 Power Up/Down Control ........................................................................................................ 12
2.1.7 Microcontroller Interface ....................................................................................................... 18
2.1.8 DSP Interface .......................................................................................................................... 19
2.1.9 DAI (Digital Audio Interface) ................................................................................................. 22
3. TONE INTERVAL OUTPUT FUNCTION (TIMER TERMINAL) ................................................. 29
4. INTERNAL CONTROL FUNCTIONS...........................................................................................30
4.1 SEND/RECEIVE GAIN CONTROL ...................................................................................................... 30
4.1.1 Voice Send Analog Gain/Receiver Amplifier 2 Control Register (TXGCR).................... 32
4.1.2 Voice Receive Analog Gain Control Register (RXGCR) ................................................... 33
4.1.3 Voice Send/Receive Digital Gain Control Register (DGGSR) .......................................... 35
4.2 DIGITAL INPUT/OUTPUT CONTROL ................................................................................................. 37
4.2.1 Digital Signal Processing Control Register (DSPCR) ....................................................... 38
4.3 TONE CONTROL .................................................................................................................................. 40
4.3.1 Tone Frequency Selection Register (FRQSR).................................................................... 43
4.3.2 Expanded Tone Registers (EXPR1, EXPR2) ....................................................................... 45
4.3.3 Tone Control Register (TONCR)........................................................................................... 47
4.3.4 Tone Gain Control Register (TNGCR) ................................................................................. 48
4.4 TEST MODE CONTROL ...................................................................................................................... 50
4.4.1 Test Control Register (TSTCR)............................................................................................. 52
5. ELECTRICAL CHARACTERISTICS............................................................................................53
6. APPLIED CIRCUIT EXAMPLE ....................................................................................................73
7. PACKAGE DRAWINGS ...............................................................................................................74
8. RECOMMENDED SOLDERING CONDITIONS ......................................................................... 75
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