SI3211 ETC, SI3211 Datasheet - Page 112

• Manufacturer Part Number: SI3211
• Description: PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
• Manufacturer: ETC

Si 3210/ Si3 211/S i32 12
SLIC Control
See descriptions of linefeed interface and power monitoring for guidelines on computing register values. All values
are represented in twos-complement format.
Note: The values of all indirect registers are undefined following the reset state. Shaded areas denote bits that can be read
Addr.
112
Addr. D15
*Note: Si3210 only.
28
29
30
31
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
and written but should be written to zeroes.
Loop Closure Threshold.
Loop closure detection threshold. This register defines the upper bounds threshold if hys-
teresis is enabled (direct Register 108, bit 0). The range is 0–80 mA in 1.27 mA steps.
Ring Trip Threshold.
Ring trip detection threshold during ringing.
Common Mode Minimum Threshold for Speed-Up.
This register defines the negative common mode voltage threshold. Exceeding this
threshold enables a wider bandwidth of dc linefeed control for faster settling times. The
range is 0–23.625 V in 0.375 V steps.
Common Mode Maximum Threshold for Speed-Up.
This register defines the positive common mode voltage threshold. Exceeding this
threshold enables a wider bandwidth of dc linefeed control for faster settling times. The
range is 0–23.625 V in 0.375 V steps.
D14
D13
Table 42. SLIC Control Indirect Registers Description
Table 41. SLIC Control Indirect Registers Summary
LCRTL[5:0]
D12
LCRT[5:0]
RPTP[5:0]
VMIND[3:0]*
PPT12[7:0]
PPT34[7:0]
PPT56[7:0]
VCMR[3:0]
D11
D10
CMH[5:0]
CML[5:0]
NCLR[12:0]
NRTP[12:0]
NQ12[12:0]
NQ34[12:0]
NQ56[12:0]
Description
Preliminary Rev. 1.11
D9
D8
D7
D6
D5
D4
D3
D2
Reference Page
D1
26
36
D0