SI3015-F-FS View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3015-F-FS

V.22BIS ISOMODEM® CHIPSET WITH ERROR CORRECTION

Silicon Laboratories 

Si2403

6.1. Bit-Mapped U-Register Detail (Defaults in Bold)

U4D MOD1

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

TOCT

NHFP NHFD CLPD

FTP SPDM

GT18 GT55 CTE

LLC LCN

Type

R/W

R/W R/W R/W

R/W R/W

R/W R/W R/W

R/W R/W

Reset settings = 0x0000

Bit

Name

Function

15 Reserved Read returns zero.

14

TOCT Turn Off Calling Tone.

0 = Disable.

1 = Enable.

13 Reserved Read returns zero.

12

NHFP No Hook Flash Pulse.

0 = Disable.

1 = Enable.

11

NHFD No Hook Flash Dial.

0 = Disable.

1 = Enable.

10

CLPD Check Loop Current Before Dialing.

0 = Ignore.

1 = Check.

9 Reserved Read returns zero.

8

FTP Force Tone or Pulse.

0 = Disable.

1 = Enable.

7

SPDM Skip Pulse Dial Modifier.

0 = No.

1 = Yes.

6 Reserved Read returns zero.

5

GT18 1800 Hz Guard Tone Enable.

0 = Disable.

1 = Enable.

4

GT55 550 Hz Guard Tone Enable.

0 = Disable.

1 = Enable.

3

CTE Calling Tone Enable.

0 = Disable.

1 = Enable.

2 Reserved Read returns zero.

40

Rev. 1.2

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