Si3056
Si3018/19/10
Register 11. System-Side and Line-Side Device Revision
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Type
LSID[3:0]
REVA[3:0]
R
R
Reset settings = xxxx_xxxx
Bit
Name
LSID[3:0] Line-Side ID Bits.
Function
7:4
These four bits will always read one of the following values depending on which line-side
device is used.
Si3018
Si3019
Si3010
LSID[3:0]
0001
0011
0101
3:0 REVA[3:0] System-Side Revision.
Four-bit value indicating the revision of the system-side device.
Register 12. Line-Side Device Status
Bit
D7
D6
FDT
R
D5
D4
D3
D2
LCS[4:0]
R
D1
D0
Name
Type
Reset settings = 0000_0000
Bit
7
Name
Reserved Read returns zero.
FDT Frame Detect.
Function
6
0 = Indicates the communications link has not established frame lock.
1 = Indicates the communications link frame lock is established.
5
Reserved Read returns zero.
4:0
LCS[4:0] Loop Current Sense.
5-bit value returning the loop current when the DAA is in an off-hook state.
00000 = Loop current is less than required for normal operation.
00100 = Minimum loop current for normal operation.
11111 = Loop current is >127 mA, and a current overload condition may exist.
56
Rev. 1.05
SILICON [ SILICON ]
