si3019-x-fs Silicon Laboratories, si3019-x-fs Datasheet - Page 70
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si3019-x-fs
Manufacturer Part Number
si3019-x-fs
Description
Global Serial Interface Direct Access Arrangement
Manufacturer
Silicon Laboratories
Datasheet
1.SI3019-X-FS.pdf
(94 pages)
- Current page: 70 of 94
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Si3018/19/10
Register 27. Reserved
Reset settings = xxxx_xxxx
Register 28. Loop Current Status
Reset settings = 0000_0000
Register 29. Line Voltage Status
Reset settings = 0000_0000
70
Bit
7:0
Bit
7:0
Bit
7:0
Name
Name
Name
Type
Type
Type
Bit
Bit
Bit
LCS2[7:0] Loop Current Status.
Reserved Do not read or write.
LVS[7:0]
Name
Name
Name
D7
D7
D7
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.
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.
D6
D6
D6
D5
D5
D5
D4
D4
D4
LCS2[7:0]
LVS[7:0]
R
R
D3
D3
D3
Rev. 1.05
D2
D2
D2
Function
Function
Function
D1
D1
D1
D0
D0
D0
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