參數(shù)資料
型號: ACE9040
廠商: Mitel Networks Corporation
英文描述: Audio Processor Advance Information
中文描述: 音頻處理器進展信息
文件頁數(shù): 19/33頁
文件大?。?/td> 335K
代理商: ACE9040
19
ACE9040
CONTROL BUS: HANDSFREE MODE
Data bit
Bit Name
Function
Effect when
at 0
Effect when
at 1
DATA3:
[0]
[1]
[4:2]
[7:5]
DATA2:
[0]
[1]
[2]
[4:3]
[5]
[6]
[7]
DATA1:
[2:0]
[5:3]
[7:6]
DATA3[0]
DATA3[1]
THF[2:0]
RHF[2:0]
Bus Mode Select
Bus Mode Select
Transmit Handsfree Gain
Receive Handsfree Gain
Must be “1”
Must be “1”
see table 18
see table 18
Must be “1”
Must be “1”
see table 18
see table 18
HFP
HFS
MIG
not used
AMPS
not used
-
Handsfree Rectifiers Power
HF Output Connection Path
Microphone Amplifier Gain
-
Cellular System Select
-
-
Off
Transmit
+ 22 dB
-
On
Receive
+ 32 dB
-
AMPS
-
must be "0"
-
must be "0"
-
not used
not used
-
-
-
must be "0"
-
-
must be "0"
-
-
THF[2]
RHF[2]
0
0
0
0
1
1
1
1
THF[1]
RHF[1]
0
0
1
1
0
0
1
1
THF[0]
RHF[0]
0
1
0
1
0
1
0
1
Gain
(dB)
0
– 7
– 14
– 21
– 28
– 35
– 42
– 49
Table 18 TXHFGAIN and RXHFGAIN Handsfree Attenuator
Nominal Gains, set by THF[2:0] and RHF[2:0].
See table 19.
Table 17 “Handsfree Mode”, DATA3[1:0] = 11.
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