參數(shù)資料
型號(hào): SI2400-FS
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 36/94頁(yè)
文件大?。?/td> 0K
描述: IC ISOMODEM SYST-SIDE DAA 16SOIC
標(biāo)準(zhǔn)包裝: 48
系列: ISOmodem®
數(shù)據(jù)格式: V.21,V.22,V.23,Bell 103,Bell 212A
波特率: 2.4k
電源電壓: 3 V ~ 5.25 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC N
包裝: 管件
配用: 336-1166-ND - BOARD EVAL FOR SI2400 ISOMODEM
Si2400
Rev. 1.3
41
Table 25 defines the relationship between SE5, SE6, and SE8.
0x000E
UDFSL Sensitivity setting for UDFD1–4 detectors,
default = –43 dBm
Sensitivity = 10log10(UDFSL/
4096) – 43 dBm
4096
0x0024
CONL
Carrier ON level. Carrier is valid once it
reaches this level.
Level = 20log10(2620/CONL) –
43 dBm
2620
0x0025
COFL
Carrier OFF level. Carrier is invalid once it
falls below this level.
Level = 20log10(3300/COFL) –
45.5 dBm
3300
0x0026
AONL
Answer ON level. Answer tone is valid once it
reaches this level.
Level = 10log10(AONL/107) –
43 dBm
67
0x0027
AOFL
Answer OFF level. Answer tone is invalid
once it fall below this level.
Level = 10log10(AOFL/58) –
45.5 dBm
37
Table 25. SE5, SE6, and SE8 Relationship
SE8
SE6
SE5
R/W
Name
Description
Name
Description
0x00
W
DADH
DSP register address bits [15:8]
DADL
DSP register address bits [7:0]
0x01
W
DDH
DSP register data bits [15:8]
DDL
DSP register data bits [7:0]
0x02
R
DSP1
7 = DSP data available.
6 = Tone detected.
5=Reserved.
4:0 = Tone type.
0x02
W
DSP3
7 = Enable squaring function.
6 = Call progress cascade disable.
5=Reserved.
4 = User tone 3 and 4 reporting.
3 = User tone 1 and 2 reporting.
2 = V.23 tone reporting.
1 = Answer tone reporting.
0 = DTMF tone reporting.
DSP2
7 = Reserved.
6:3 = DTMF tone to transmit.
2:0 = Tone type.
Table 24. Low-Level DSP Parameters (Continued)
DSP Reg. Addr.
Name
Description
Function
Default
(dec)
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