si3068 Silicon Laboratories, si3068 Datasheet - Page 26

• Manufacturer Part Number: si3068
• Description: Fcc+ Embedded Direct Access Arrangement
• Manufacturer: Silicon Laboratories

Si3068
DAA Register 12. Line-Side Status
Reset settings = xxxx_xxxx
DAA Register 13. Line-Side Revision
Reset settings = xxxx_xxxx
26
Bit
4:0
Bit
7:6
5:2
1:0
7
6
5
Name
Name
Type
Type
Bit
Bit
REVB[3:0]
Reserved
Reserved
Reserved
Reserved
LCS[4:0]
Name
Name
FDT
D7
D7
Frame Detect.
0 = Indicates isolation capacitor link has not established frame lock.
1 = Indicates isolation capacitor link frame lock is established.
Always write this bit to zero. Reads undefined.
Loop Current Sense.
Five-bit value returning the loop current in 3.3 mA/bit resolution when the DAA is in an off-
hook state.
00000–00011 = Indicates the loop current is less than required for normal operation.
00100 = Indicates minimum loop current for normal operation.
00101 = 11110 = Normal operation
11111 = Indicates loop current is > 160 mA.
Line-Side Revision.
Four-bit value indicating the revision of the Si3068 device.
1000 = Revision A; 1001 = Revision B
Read returns zero.
Always write this bit to zero. Reads undefined.
Always write this bit to zero. Reads undefined.
FDT
D6
D6
R
D5
D5
Rev. 1.0
D4
D4
REVB[3:0]
R
Function
Function
D3
D3
LCS[4:0]
D2
D2
R
D1
D1
D0
D0