參數(shù)資料
型號: SI3063-F-FS
廠商: Silicon Laboratories Inc
文件頁數(shù): 41/62頁
文件大?。?/td> 0K
描述: IC DAA ENH GLOB LINE-SIDE 16SOIC
標準包裝: 48
功能: 直接存取裝置(DAA)
電路數(shù): 1
電流 - 電源: 9mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC N
包裝: 管件
包括: 結(jié)帳音調(diào)檢測,線路電壓監(jiān)視器,回路電流監(jiān)視器,過載檢測,振鈴檢測器
Si306x
46
Rev. 0.9
Reset settings = 1001_0110
Register 22. Ring Validation Control 1
Bit
D7D6D5D4
D3D2D1D0
Name
RDLY[1:0]
RMX[5:0]
Type
R/W
Bit
Name
Function
7:6
RDLY[1:0]
Ring Delay Bits 1 and 0.
These bits, in combination with the RDLY[2] bit (Register 23), set the amount of time
between when a ring signal is validated and when a valid ring signal is indicated.
RDLY[2]
RDLY[1:0]
Delay
000
0 ms
0
01
256 ms
0
10
512 ms
.
111
1792 ms
5:0
RMX[5:0]
Ring Assertion Maximum Count.
These bits set the maximum ring frequency for a valid ring signal within a 10% margin of
error. During ring qualification, a timer is loaded with the RAS[5:0] field upon a TIP/RING
event and decrements at a regular rate. When a subsequent TIP/RING event occurs, the
timer value is compared to the RMX[5:0] field and if it exceeds the value in RMX[5:0] then
the frequency of the ring is too high and the ring is invalidated. The difference between
RAS[5:0] and RMX[5:0] identifies the minimum duration between TIP/RING events to qual-
ify as a ring, in binary-coded increments of 2.0 ms (nominal). A TIP/RING event typically
occurs twice per ring tone period. At 20 Hz, TIP/RING events would occur every 1/
(2 x 20 Hz) = 25 ms. To calculate the correct RMX[5:0] value for a frequency range [f_min,
f_max], the following equation should be used:
To compensate for error margin and ensure a sufficient ring detection window, it is recom-
mended that the calculated value of RMX[5:0] be incremented by 1.
RMX 5:0
[] RAS 5:0
[]
1
2 f_max
×
2 ms
×
--------------------------------------------- RMX RAS
,
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