SI3201-X-FS View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3201-X-FS

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3233

Register 78. Loop Voltage Sense

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Name

LVSP

LVS[5:0]

Type

R

R

Reset settings = 0000_0000

Bit

Name

Function

7

Reserved Read returns zero.

6

LVSP

Loop Voltage Sense Polarity.

This register reports the polarity of the differential loop voltage (VTIP – VRING).

0 = Positive loop voltage (VTIP > VRING).

1 = Negative loop voltage (VTIP < VRING).

5:0

LVS[5:0] Loop Voltage Sense Magnitude.

This register reports the magnitude of the differential loop voltage (VTIP–VRING). The

range is 0 V to 94.5 V in 1.5 V steps.

Register 79. Loop Current Sense

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Name

LCSP

LCS[5:0]

Type

R

R

Reset settings = 0000_0000

Bit

Name

Function

7

Reserved Read returns zero.

6

LCSP

Loop Current Sense Polarity.

This register reports the polarity of the loop current.

0 = Positive loop current (forward direction).

1 = Negative loop current (reverse direction).

5:0

LCS[5:0] Loop Current Sense Magnitude.

This register reports the magnitude of the loop current. The range is 0 mA to 78.75 mA in

1.25 mA steps.

72

Preliminary Rev. 0.5

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