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 64. Linefeed Control

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Name

LFS[2:0]

LF[2:0]

Type

R

R/W

Reset settings = 0000_0000

Bit

Name

Function

7

Reserved Read returns zero.

6:4

LFS[2:0] Linefeed Shadow.

This register reflects the actual realtime linefeed state. Automatic operations may cause

actual linefeed state to deviate from the state defined by linefeed register (e.g., when

linefeed equals ringing state, LFS will equal on-hook transmission state during ringing

silent period and ringing state during ring burst).

000 = Open

001 = Forward active

010 = Forward on-hook transmission

011 = TIP open

100 = Ringing

101 = Reverse active

110 = Reverse on-hook transmission

111 = RING open

3

Reserved Read returns zero.

2:0

LF[2:0]

Linefeed.

Writing to this register sets the linefeed state.

000 = Open

001 = Forward active

010 = Forward on-hook transmission

011 = TIP open

100 = Ringing

101 = Reverse active

110 = Reverse on-hook transmission

111 = RING open

Preliminary Rev. 0.5

63

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