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參數(shù)資料
| 型號： | AS2524T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Line Interface Speaker Phone; Package Type: SOIC-28; Temperature Range: -25 - +70 °C; Output Interface: Parallel; Supply Voltage: 3,00-5,00 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 9/19頁 |
| 文件大?。?/td> | 490K |
| 代理商： | AS2524T |
Data Sheet AS2523, AS2524, AS2524B
austria
micro
systems
Serial interface Registers
The following table shows the content of the 16 control registers.
Control registers AS2523
A A A A
3 2 1 0
0
0
0
0
0
0
0
0
0
1
D D D D
3 2 1 0
Nop
0
0
1
1
0
0
1
0
1
0
na
na
na
na
0111
na
na
na
na
0111
x
x
x
x
Conf-Tone:
0... No Conf Tone 1... Conf Tone
C
L
L
L
LIV:
Voltage at pin LI 0...3.5V, 1...4.5V
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
0
1
0
1
B
x
B
x
C
x
C
x
BURS:
Analog tone at RO 0...OFF, 1...ON
BURL:
Analog tone at LS 0...OFF, 1...ON
CT1 CT0: @RO @LS
0 0 -36dB -15dB TONE-confidence level
0 1 -30dB -9dB rel. to pin LS
1 0 -24dB -3dB
1 1 -18dB +3dB
0001
0001
0
1
1
0
Softclip-settings, Tx_comp_gain settings
1000
1000
t
t
S
S
Bit1 Bit0 :
Tx_comp_gain
0 0 +8dB
0 1 +11dB
1 0 +14dB
1 1 +17dB
SOFTRX:
Softclip RX 0...OFF, 1...ON
SOFTTX:
Softclip TX 0...OFF, 1...ON
0
1
1
1
R
16 gains
R
D
B
Bit1 Bit0:
Rx-offset setting
0 0 0mV
0 1 12mV
1 0 40mV
1 1 100mV
Delay_10ms
0... no delay 1... 10ms delay
Bnon
0... BGN off 1... BGN on
Handsfree receive endgain
0101
1100
1
0
0
0
1111
1011
Data
RXgain TXgain
0x0 -20dB -30dB Min. receive volume
: :
0xF +0dB -50dB Max. receive volume
1
0
0
1
x
x
x
x
0000
1100
off1 off0
: BGN-offset
0 0 120mV
0 1 180mV
1 0 240mV
1 1 300mV
o
16 gains
o
H
H
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
0111
0111
Data
HS-mode HF-mode
0x0 30dB 39dB
: : :
0xF 45dB 54dB
Receive gain [16], 16 steps, 1dB stepsize
1
0
1
1
16 gains
1111
1111
Data
HS-mode HF-mode
0x0 -6dB 19dB
: : :
0xF +9dB 34dB
Address
Data
for AS2523,
AS2524HF
for AS2524 LH bond
option
Default value
after reset
1
1
0
0
H
x
R
x
M
x
T
x
HP_on :
0... fg=200Hz 1... fg=2000Hz
rec_on :
0... Rxcomp=AGND 1... Rxcomp=RECV
Mute :
0... No mute 1... Tx-path muted
Tone :
0... Tx-signal path 1... Ton in signal path
Mask, Lh, Hf, Hook Switch
Mask:
0... No mask 1... Mask acitivated
0100
1000
1
1
0
1
0100
0101
M
x
H
x
H
x
L
x
His HF LH
: Hook functions
0 x x Power down
1 0 0 Handset
1 0 1 not allowed
1 1 0 Handsfree
1 1 1 Loudhearing
1
1
1
0
0000
0001
K
x
T
x
T
x
s
x
slow_rec:
fast change to TX, slow change to RX, no IDLE
Krat5,Test3,Test2
: For factory test only !
1
1
1
1
Reset to defaults
na
na
For a detailed description of the commands see Application note AN523/24.
Revision 1.13
Page 9 of 19
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