參數(shù)資料
型號(hào)： AS2522BF
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： 無繩電話/電話
英文描述： Telephone Line Interface and Speakerphone Circuit
中文描述： SPEAKER PHONE CIRCUIT, UUC
封裝： DIE
文件頁數(shù)： 10/19頁
文件大小： 365K
代理商： AS2522BF
Data Sheet AS2522B
austria
micro
systems
Revision 3.4
Page 10 of 19
Control registers AS2522A, AS2522B
Default value
after reset
A A A A D D D D
3 2 1 0 3 2 1 0
1
0
0
0 16 gains
Handsfree receive endgain
0111
Data
0x0
:
0xF
Handsfree switching characteristic
RXgain
-20dB
TXgain
-30dB
Min. receive volume
:
0dB
-50dB
Max. receive volume
1
0
0
1
x
x
x
x
1000
o
o
H
H
off1 off0
: BGN-offset
0
0
0
1
1
0
1
1
120mV
180mV
240mV
300mV
Hfs1 HFs0:
Speed of voice switching
0
0
max speed
0
1
1
0
1
1
min speed
Transmit gain [16], 16 steps, 1dB stepsize
1
0
1
0 16 gains
0111
Data
0x0
:
0xF
Receive gain [16], 16 steps, 1dB stepsize
HS-mode
30dB
:
45dB
HF-mode
39dB
:
54dB
1
0
1
1 16 gains
0111
Data
0x0
:
0xF
FSK-mode, LLC[2], LI-Voltage
HS-mode
-6dB
:
+9dB
HF-mode
22dB
:
37dB
1
1
0
0
x
x
x
x
0111
F
x
L
x
L
x
L
x
AS2522B:
FSK: Frequency select in single tone mode AS2522B ONLY
FSK:
0
Single Tone frequencies are read from Addr. 4:
1
Single Tone frequencies are read from Addr. 1:
frequ1, frequ0
f4,f3,f2,f1
AS2522A
FSK: For factory test only !
LIV:
Voltage at pin LI
LLC1 LLC0:
Line loss compensation setting
0
0
20mA-50mA
0
1
NO Line loss compensation
1
0
45-75mA
1
1
NO Line loss compensation
Mute, Lh, Hf, Hook Switch
0...3.5V, 1...4.5V
1
1
0
1
0000
M
x
L
x
H
x
H
x
Mute:
Mute transmit
His Hf Lh
0
x
x
1
0
0
1
1
0
1
1
1
Krat5,Test3,Test2,Test1:
For factory test only !
0...OFF,
1...ON
On Hook
Off Hook, Handset mode
Off Hook, Handfree mode
Off Hook, Loudhearing mode
1
1
1
0
0000
K
T
x
T
x
T
x
1
1
1
1 x
Reset to defaults
na
Address
Data
相關(guān)PDF資料
PDF描述
AS2522BQ Telephone Line Interface and Speakerphone Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS2522BQ 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit
AS2522BT 制造商:ams 功能描述:AS Series 3 to 5 V Telephone Line Interface and Speakerphone Circuit - TQFP-32
AS2522B-T 功能描述:IC LINE INTERFACE TELEPH 32-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
AS2522B-Z 制造商:ams 功能描述:
AS2523 功能描述:IC LINE INTERFACE/SPKRPH 28-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
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