參數(shù)資料
型號： SI3050-E1-FT
廠商： Silicon Laboratories Inc
文件頁數(shù)： 94/128頁
文件大?。?/td> 0K
描述： IC VOICE DAA SYSTEM SIDE 20TSSOP
標準包裝： 74
系列： *
Si3050 + Si3011/18/19
68
Rev. 1.5
Reset settings = 0000_0000
Register 5. DAA Control 1
Bit
D7D6D5D4D3
D2
D1
D0
Name
RDTN
RDTP
ONHM
RDT
OH
Type
R
R/W
R
R/W
Bit
Name
Function
7
Reserved
Read returns zero.
6
RDTN
Ring Detect Signal Negative.
0 = No negative ring signal is occurring.
1 = A negative ring signal is occurring.
5RDTP
Ring Detect Signal Positive.
0 = No positive ring signal is occurring.
1 = A positive ring signal is occurring.
4
Reserved
Read returns zero.
3
ONHM
On-Hook Line Monitor.
0 = Normal on-hook mode.
1 = Enables low-power on-hook monitoring mode allowing the host to receive line activity
without going off-hook. This mode is used for caller-ID detection.
2
RDT
Ring Detect.
0 = Reset 5 seconds after last positive ring is detected or when the system executes an
off-hook. Only a positive ring sets this bit when RFWE = 0. When RFWE = 1, either a positive
or negative ring sets this bit.
1 = Indicates a ring is occurring.
1
Reserved
Read returns zero.
0OH
Off-Hook.
0 = Line-side device on-hook.
1 = Causes the line-side device to go off-hook.
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