參數(shù)資料
型號: MT92303
廠商: Mitel Networks Corporation
元件分類: Codec
英文描述: 3.3V Quad Interface, Dual Codec(3.3V 四接口雙編解碼器(提供音頻到PCM的接口))
中文描述: 3.3四種接口,雙編解碼器(3.3四接口雙編解碼器(提供音頻到的PCM的接口))
文件頁數(shù): 3/34頁
文件大?。?/td> 166K
代理商: MT92303
Preliminary Information
MT92303
3
Analog
24
VREF
Output On-chip Voltage-Reference decoupling capacitor, 100nF to GNDA
29
VDDA
Power VDD for Analog circuitry
28
GNDA
Ground GND for Analog circuitry
27
SUB
Ground Chip Substrate (connect to GNDA)
Audio Interface #3
13
MICBIAS3
Output Programmable voltage (0 to 2.52V in 15 steps) for Electret Microphones
14
MICDETECT3
Input
Comparator input to detect Presence & Muting of Microphone
15
MIC3P
Input
Positive Microphone input
16
MIC3N
Input
Negative Microphone input
40
VDDP3
Power VDD for RX Analog O/P circuitry (Audio Interface #3)
39
EAR3P
Output Positive Earpiece output
38
EAR3N
Output Negative Earpiece output
37
GNDP32
Ground GND for RX Analog O/P circuitry (Audio Interfaces #3 & #2)
Audio Interface #2
17
MICBIAS2
Output Programmable voltage (0 to 2.52V in 15 steps) for Electret Microphones
18
MICDETECT2
Input
Comparator input to detect Presence & Muting of Microphone
19
MIC2P
Input
Positive Microphone input
20
MIC2N
Input
Negative Microphone input
36
EAR2P
Output Positive Earpiece output
35
EAR2N
Output Negative Earpiece output
34
VDDP21
Power VDD for RX Analog O/P circuitry (Audio Interfaces #2 & #1)
Audio Interface #1
26
MIC1P
Input
Positive Microphone input
25
MIC1N
Input
Negative Microphone input
33
EAR1P
Output Positive Earpiece output
32
EAR1N
Output Negative Earpiece output
31
GNDP1
Ground GND for RX Analog O/P circuitry (Audio Interface #1)
Audio Interface #0
21
MICBIAS0
Output Programmable voltage (0 to 2.52V in 15 steps) for Electret Microphones
22
MIC0P
Input
Positive Microphone input
23
MIC0N
Input
Negative Microphone input
44
VDDP0
Ground VDD for RX Analog O/P circuitry (Audio Interface #0)
43
EAR0N/SPEAKERN Output Negative Earpiece output (high power for Loud Speaker)
42
EAR0P/SPEAKERP Output Positive Earpiece output (high power for Loud Speaker)
41
GNDP0
Ground GND for RX Analog O/P circuitry (Audio Interface #0)
Auxiliary Tone Input
30
AUXTONE
Input
Auxiliary ringing/announcement input (to Loud Speaker outputs)
Pin Description (continued)
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