SI2457FS18-EVB Silicon Laboratories Inc, SI2457FS18-EVB Datasheet - Page 47

• Manufacturer Part Number: SI2457FS18-EVB
• Description: BOARD EVAL SI2457 + SI3018 16PIN
• Manufacturer: Silicon Laboratories Inc
• Series: ISOmodem®r

Specifications of SI2457FS18-EVB

• Main Purpose: Telecom, Data Acquisition Arrangement (DAA)
• Utilized Ic / Part: Si2457
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6.1. Bit-Mapped U-Register Detail (defaults in bold)
U4D MOD1
Reset settings = 0x0000
Name
Type
Bit
2:0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
D15
Reserved Read returns zero.
Reserved Read returns zero.
Reserved Read returns zero.
Reserved Read returns zero.
Reserved Read returns zero.
SPDM
NHFD
Name
TOCT
NHFP
CLPD
GT18
GT55
CTE
FTP
TOCT
D14
R/W
Turn Off Calling Tone.
0 = Disable.
1 = Enable.
No Hook Flash Pulse.
0 = Disable.
1 = Enable.
No Hook Flash Dial.
0 = Disable.
1 = Enable.
Check Loop Current Before Dialing.
0 = Ignore.
1 = Check.
Force Tone or Pulse.
0 = Disable.
1 = Enable.
Skip Pulse Dial Modifier.
0 = No.
1 = Yes.
1800 Hz Guard Tone Enable.
0 = Disable.
1 = Enable.
550 Hz Guard Tone Enable.
0 = Disable.
1 = Enable.
Calling Tone Enable.
0 = Disable.
1 = Enable.
D13 D12
NHFP NHFD
R/W
D11
R/W
CLPD
D10
R/W
Preliminary Rev. 0.7
D9
FTP SPDM
D8
R/W
Si2457/34/15/04-Si3008
Function
D7
R/W
D6
GT18
R/W
D5
GT55
D4
R/W
CTE
D3
R/W
D2
D1
D0
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