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

Part Name

Description

Manufacturer

SI3015-F-FS

V.22BIS ISOMODEM® CHIPSET WITH ERROR CORRECTION

Silicon Laboratories 

Bit

Name

Function

1

LLC Low Loop Current Detect (required for CTR21).

0 = Disabled.

1 = Enabled.

0

LCN Loop Current Needed.

0 = No.

1 = Yes.

Si2403

U53 MOD2

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

Name REV

Type R/W

Reset settings = 0x0000

Bit

Name

15

REV V.23 Reversing.

0 = Disable.

1 = Enable.

14:0

Reserved Read returns zero.

Function

U62 DAAC1

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

Name

FOH DL

Type

R/W R/W

Reset settings = 0x0804

Bit Name

Function

15:12 Reserved Must be set to 0.

11 Reserved Must be set to 1.

10:3 Reserved Must be set to 0.

2

FOH Fast Off-Hook.

0 = Automatic Calibration Time set to 426 ms

1 = Automatic Calibration Time set to 106 ms

1

DL Isolation Digital Loopback (see the AT&T commands).

0 = Loopback occurs beyond the isolation interface, out to and including the analog

hybrid circuit.

1 = Enables digital loopback mode across isolation barrier only.

0 Reserved Must be set to 0.

Rev. 1.2

41

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