参数资料
型号: SI3056DC-EVB
厂商: Silicon Laboratories Inc
文件页数: 68/94页
文件大小: 0K
描述: DAUGHTERCARD DAA SI3056/SI3018
标准包装: 1
主要目的: 电信,数据采集装置(DAA)
已用 IC / 零件: Si3056
已供物品: 板,CD
Si3056
Si3018/19/10
70
Rev. 1.05
Reset settings = xxxx_xxxx
Reset settings = 0000_0000
Register 27. Reserved
Bit
D7
D6D5D4D3D2D1D0
Name
Type
Bit
Name
Function
7:0
Reserved Do not read or write.
Register 28. Loop Current Status
Bit
D7
D6D5D4D3D2D1D0
Name
LCS2[7:0]
Type
R
Bit
Name
Function
7:0
LCS2[7:0] Loop Current Status.
Eight-bit value returning the loop current. Each bit represents 1.1 mA of loop current.
0000_0000 = Loop current is less than required for normal operation.
Register 29. Line Voltage Status
Bit
D7
D6D5D4D3
D2
D1D0
Name
LVS[7:0]
Type
R
Bit
Name
Function
7:0
LVS[7:0]
Line Voltage Status.
Eight-bit value returning the loop voltage. Each bit represents 1 V of loop voltage. This regis-
ter operates in on-hook and off-hook modes. Bit seven of this register indicates the polarity of
the TIP/RING voltage. When this bit changes state, it indicates that a polarity reversal has
occurred. The value returned is represented in 2s compliment format.
0000_0000 = No line is connected.
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