参数资料
型号: SI2400URT-EVB
厂商: Silicon Laboratories Inc
文件页数: 71/94页
文件大小: 0K
描述: BOARD EVAL FOR SI2400 ISOMODEM
标准包装: 1
系列: ISOmodem®
主要目的: 电信,调制解调器
嵌入式:
已用 IC / 零件: SI2400
主要属性: 双路 RJ-11 连接至电话线路,音频连接器
次要属性: RS-232,TTL 串行和 USB 接口
已供物品: 板,调制解调器,电源
相关产品: SI2400-BS-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
SI2400-FS-ND - IC ISOMODEM SYST-SIDE DAA 16SOIC
336-1093-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
其它名称: 336-1166
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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