Reset settings = 0000_1111b (0x0F) SF4 (DAA4). DAA Low Level " />
參數(shù)資料
型號: SI2400-FS
廠商: Silicon Laboratories Inc
文件頁數(shù): 71/94頁
文件大小: 0K
描述: IC ISOMODEM SYST-SIDE DAA 16SOIC
標準包裝: 48
系列: ISOmodem®
數(shù)據格式: V.21,V.22,V.23,Bell 103,Bell 212A
波特率: 2.4k
電源電壓: 3 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 16-SOIC N
包裝: 管件
配用: 336-1166-ND - BOARD EVAL FOR SI2400 ISOMODEM
Si2400
Rev. 1.3
73
Reset settings = 0000_1111b (0x0F)
SF4 (DAA4). DAA Low Level Functions 4
Bit
D7D6D5D4D3
D2
D1
D0
Name
SQLH
ARG
ARL
ATL
Type
R/W
Bit
Name
Function
7SQLH
Ring Squelch.
If the host implements a manual ring detect (bypassing the Si2400 micro), this bit must
be set, then cleared following a polarity reversal detection. Used to quickly recover offset
on RNG1/2 pins after polarity reversal.
0 = Normal.
1 = Squelch.
6:4
ARG
Analog Receive Gain.
Off-Hook
On-Hook
000 = 0 dB gain 000 = 7 dB
001 = 3 dB gain
001 = 6 dB
010 = 6 dB gain
010 = 4.8 dB
011 = 9 dB gain
011 = 3.5 dB
1xx = 12 dB gain
1xx = 2.0 dB
3:2
ARL
AOUT Receive—Path Level.
DAA receive path signal AOUT gain.
00 = 0 dB
01 = –6 dB
10 = –12 dB*
11 = Mute
1:0
ATL
AOUT Transmit—Path Level.
DAA transmit path signal AOUT gain.
00 = –18 dB
01 = –24 dB
10 = –30 dB*
11 = Mute
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