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參數(shù)資料
型號(hào)： AS2522B-T
廠商： ams
文件頁(yè)數(shù)： 2/20頁(yè)
文件大小： 0K
描述： IC LINE INTERFACE TELEPH 32-TQFP
標(biāo)準(zhǔn)包裝： 2,000
系列： *
Data Sheet AS2522B
austriamicrosystems
Revision 3.4
Page 9 of 19
Serial interface Registers
The following table shows the content of the 16 control registers.
For a detailed description of the commands see Application note AN522.
Control registers AS2522A, AS2522B
Default value
after reset
AAAA DDDD
32103210
0000 Nop
No operation. W rite to this location to get AS2522-Satus
inform ation without altering any other setting.
na
0001 DTMFpair
Frequency select depending on Tone Generator m ode
0000
DTMF-Generator mode:
Single tone mode AS2522B ONLY
AND FSK=1 (Addr 12):
f4
,c1
f3
,c0
f2
,r
1
f0
,r
0
HIGH Group
LOW-Group
Data
c1 c0
fHigh
r1 r0
fLow
f[3:0] Frequency
0
1209Hz
0
697Hz
0000
0Hz
0
1
1336Hz
0
1
770Hz
0001
800Hz
(ring)
1
0
1477Hz
1
0
852Hz
0010
1067Hz
(ring)
1
1633Hz
1
941Hz
0011
1333Hz
(ring)
0100
1300Hz
(V.23)
0101
2100Hz
(V.23)
0110
1200Hz
(Bell 202)
0111
2200Hz
(Bell 202)
1000
980Hz
(V.21)
1001
1180Hz
(V.21)
1010
1070Hz
(Bell 103)
1011
1270Hz
(Bell 103)
1100
1650Hz
(V.21)
1101
1850Hz
(V.21)
1110
2025Hz
(Bell 103)
1111
2225Hz
(Bell 103)
0010 DTMFLevel
DTMF-Level
13 steps, 1dB stepsize
1100
Data
DTMF-level LOW GROUP at pin LS
0x0
-16dBm
::
0xC
-4dBm
0011
xxxx
DTMF-settings
0101
T
one
preem
ph
CT1
CT0
Tone:
DTMF-signal path
0...OFF,
1...ON
preemph: DTMF-preempahsis
0...2.2dB, 1…3.2dB
CT1 CT0: @RO
@LO1/LO2
0
-36dB
-15dB
DTMF-confidence level
0
1
-30dB
-9dB
rel. to pin LS
1
0
-24dB
-3dB
1
-18dB
+3dB
0100
xxxx
Single T one frequencies if FSK=0 (Addr. 12)
and RING/Beep Volum e [4]
0000
fr
equ1
fr
equ0
V1
V0
frequ1 frequ0
V1 V0:
RING volume
0
800Hz
0
-17.5dB
0
1
1067Hz
0
1
-11.5dB
1
0
1333Hz
1
0
-5.5dB
111333Hz
1
0dB
0101
xxxx
Tone Generator m ode, single tone path
0000
Bu
rs
Bu
rl
M1
M0
BURS: Analog tone at RO
0...OFF,
1...ON
BURL: Analog tone at LO1/LO2
0...OFF,
1...ON
M1 M0: Tone generator mode select
0
Tone generator OFF
0
1
DTMF generator mode
1
0
Single tone Analog mode
1
Single tone Digital mode ( RING )
0110
xxxx
Softclip-settings, Noise m onitoring
0000
ring
B
non
So
ft-
R
X
So
ft-
T
X
RING:
RING-path
0...OFF,
1...ON
BNON:
Noise monitor
0...OFF,
1...ON
SOFTRX: Softclip RX
0...OFF,
1...ON
SOFTTX: Softclip TX
0...OFF,
1...ON
0111
xxxx
DC/DC-Converter ON/OFF,Mask
0000
ldbr
ldbl
Ma
s
k
DC/
DC
ldbr: Digital tone at RO
0...OFF,
1...ON
ldbl: Digital tone at LO1/LO2 0...OFF,
1...ON
MASK: Mask function
0...OFF,
1...ON
DC/DC: DC/DC-converter
0...OFF,
1...ON
Address
Data
ams
AG
Technical
content
still
valid
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